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Garmin GNX 375, Pilot'S Manual

The Garmin GNX 375 Pilot's Manual is an essential tool for aircraft pilots, providing detailed instructions and information to operate this advanced avionics device. Users can easily download this manual for free from manualshive.com, empowering them with in-depth product knowledge to enhance their flying experience and navigation capabilities.

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190-02207-02  Rev. B

GPS 175/GNX 375 Pilot’s Guide

1-3

System at a Glance

1.1

Display Layout

1

Bezel

Includes the power key, mechanical knobs, photocell, and SD card slot.

Ledges provide hand stability when performing data entry and making
selections.

2

Touchscreen

Multi-touch color display provides controls for unit operation.

3

Photocell

Measures cockpit ambient light level to automatically adjust display

brightness for day and night.

4

SD Card Slot

Interface for loading database, exporting log files, and updating

software. Compatibility with Flight Stream 510 allows wireless database
transfer from the Garmin Pilot app via Database Concierge.

5

Power/Home Key

Powers the unit on or off and provides direct access to the Home page.

6

Inner & Outer Knobs

Multipurpose dual concentric knob allows data entry, list scrolling, map

range control, and page navigation.

1

5

3
4

6

2

Summary of Contents for GNX 375

Page 1: ...GPS 175 GNX 375 Pilot s Guide ...

Page 2: ...es are those of their respective owners 2019 SD is a registered trademark of SD 3C LLC All rights reserved The term Wi Fi is a registered trademark of the Wi Fi Alliance For information regarding the Aviation Limited Warranty refer to Garmin s website For aviation product support visit flyGarmin com SOFTWARE LICENSE AGREEMENT BY USING THE DEVICE COMPONENT OR SYSTEM MANUFACTURED OR SOLD BY GARMIN T...

Page 3: ...14 1 8 2 Altitude Encoder 1 15 1 8 3 ADS B In Data 1 15 2 GET STARTED 2 1 Databases 2 2 2 1 Database Effective Cycles 2 3 2 2 Active and Standby Databases 2 4 2 3 Manual Updates 2 5 2 3 1 Database Updates Page 2 5 2 4 Automatic Updates 2 8 2 5 Database Concierge 2 9 2 5 1 Wi Fi Setup 2 11 Connectivity 2 12 2 6 Connext Setup 2 12 2 7 Bluetooth Setup 2 13 2 7 1 Enabling Bluetooth 2 13 2 7 2 Managing...

Page 4: ...ections 2 31 2 22 Display Brightness Control 2 32 2 22 1 Automatic Brightness Control 2 32 2 22 2 Manual Brightness Control 2 32 2 23 Scheduled Messages 2 33 2 23 1 Message Types 2 33 2 23 2 Modifying Scheduled Messages 2 33 Status Indications 2 34 2 24 Alert Types 2 34 2 24 1 Alert Annunciations 2 35 2 24 2 Pop up Alerts 2 36 2 24 3 Aural Alerts 2 36 2 25 System Status Page 2 37 2 26 GPS Status P...

Page 5: ... 37 3 11 Flight Plan Map Overlay 3 38 3 12 GPS NAV Status 3 39 Direct To 3 40 3 13 Direct To Basics 3 40 3 13 1 Direct To Search Tabs 3 40 3 13 2 Direct To Activation 3 41 3 13 3 Navigating Direct To 3 42 3 13 4 Removing a Direct to Course 3 43 3 13 5 User Holds 3 44 Waypoints 3 45 3 14 Waypoint Information 3 45 3 15 Waypoint Selection 3 48 3 15 1 Waypoint Autofill 3 48 3 15 2 Search Tabs 3 49 3 1...

Page 6: ...S Wind Statistics 4 10 RAIM Prediction 4 11 4 5 RAIM Prediction Page 4 11 4 5 1 Calculating RAIM Status 4 12 4 5 2 RAIM Status Indications 4 12 5 HAZARD AWARENESS 5 1 Weather Awareness 5 3 5 1 Data Transmission Limitations 5 3 5 1 1 Line of Sight Reception 5 3 5 1 2 Per FAA TSO C157b 5 4 5 1 3 NOTAM 30 Day Limitation 5 4 5 2 FIS B Weather Display 5 5 5 3 FIS B Weather Setup 5 6 5 4 FIS B Weather I...

Page 7: ...bstacle Elevation Depictions 5 37 5 19 Terrain Alerting 5 39 5 19 1 Alert Types 5 39 5 19 2 Alerting Thresholds 5 40 5 19 3 Inhibiting FLTA PDA Alerts 5 41 5 19 4 FLTA PDA Alerts 5 42 6 MESSAGES 6 1 Advisory Messages 6 2 6 1 Message Key 6 2 6 2 Airspace Advisories 6 2 6 3 Database Advisories 6 3 6 4 Flight Plan Advisories 6 4 6 5 GPS WAAS Advisories 6 6 6 6 Navigation Advisories 6 8 6 7 Pilot Spec...

Page 8: ...vi GPS 175 GNX 375 Pilot s Guide 190 02207 02 Rev B INTENTIONALLY LEFT BLANK ...

Page 9: ...N WARNING NEVER USE GPS ALTITUDE FOR VERTICAL NAVIGATION THE ALTITUDE CALCULATED BY GPS RECEIVERS IS GEOMETRIC HEIGHT ABOVE MEAN SEA LEVEL AND COULD VARY SIGNIFICANTLYFROMTHEALTITUDEDISPLAYEDBYPRESSUREALTIMETERS E G THE OUTPUT FROM THE GDC 74A B AIR DATA COMPUTER OR OTHER ALTIMETERS IN THE AIRCRAFT ALWAYS REFER TO THE PRESSURE ALTIMETERS IN THE AIRCRAFT FOR CURRENT PRESSURE ALTITUDE WARNING NEVER ...

Page 10: ...FIRM TFR INFORMATION THROUGH OFFICIAL SOURCES SUCH AS FLIGHT SERVICE STATIONS OR AIR TRAFFIC CONTROL WARNING ALWAYS REFER TO CURRENT AERONAUTICAL CHARTS FOR APPROPRIATE MINIMUM CLEARANCE ALTITUDES THE DISPLAYED MSAs ARE ONLY ADVISORY IN NATURE AND SHOULD NOT BE RELIED UPON AS THE SOLE SOURCE OF OBSTACLE AND TERRAIN AVOIDANCE INFORMATION WARNING DO NOT USE GPS TO NAVIGATE TO ANY ACTIVE WAYPOINT IDE...

Page 11: ...NFIRM TFR INFORMATION THROUGH OFFICIAL SOURCES SUCH AS FLIGHT SERVICE STATIONS OR AIR TRAFFIC CONTROL WARNING DO NOT LEARN OPERATIONAL PROCEDURES IN THE AIR FOR SAFETY REASONS THOROUGHLY PRACTICE BASIC OPERATION ON THE GROUND BEFORE ACTUAL USE WARNING REVIEWANDUNDERSTANDALLASPECTSOFTHISPILOT SGUIDE DOINGSOREDUCES THE RISK OF UNSAFE OPERATION WARNING ALWAYS RESOLVE ANY DISCREPANCIES BETWEEN THE DIS...

Page 12: ...this device must accept any interference received including interference that may cause undesired operation NOTE Interference from GPS repeaters operating inside nearby hangars can cause an intermittent loss of attitude and heading displays while the aircraft is on the ground Moving the aircraft more than 100 yards away from the source of the interference should alleviate the condition NOTE Use of...

Page 13: ...ses obtained from Garmin or Jeppesen that have a Type 2 LOA from the FAA are assured compliance with all data quality requirements DQRs A copy of the Type 2 LOA is available for each applicable database and can be viewed at flyGarmin com by selecting Aviation Database Declarations Use of a current Garmin or Jeppesen database in your Garmin equipment is required for compliance with established FAA ...

Page 14: ... ground Visit flyGarmin com and select Aviation Data Error Report NOTE The navigation databases used in Garmin navigation systems contain Special Procedures Prior to flying these procedures pilots must have specific FAA authorization training and possession of the corresponding current and legitimately sourced chart approach plate etc Inclusion of the Special Procedure in the navigation database D...

Page 15: ...com manuals REVISION DATE CHANGE DESCRIPTION 1 02 06 19 Experimental Release A 03 20 19 Production Release B 04 17 19 Minor edits SECTION TITLE 1 System at a Glance 2 Get Started 3 Navigation 4 Planning 5 Hazard Awareness 6 Messages 7 Qualification 8 Glossary The design and layout of this guide is intended to provide clear concise sections written in the logical order of a pilot s flight instrumen...

Page 16: ...lot s Guide 190 01122 03 WEBSITE ADDRESS Aviation Limited Warranty https www garmin com en US legal aviation limited warranty Database Concierge Go to http www flygarmin com support and select Database Management ADS B Academy https www garmin com us intheair ads b Connext http www garmin com connext FAA Regulatory and Guidance Library https rgl faa gov ...

Page 17: ... a Glance 1 System at a Glance OVERVIEW 1 1 Display Layout 1 3 1 2 Unit Functions 1 4 PILOT INTERFACE 1 3 Unit Power 1 5 1 4 SD Card Slot 1 6 1 5 Touchscreen 1 7 1 6 Control Knobs 1 11 1 7 Color Conventions 1 13 COMPATIBLE EQUIPMENT 1 8 Line Replaceable Units 1 14 ...

Page 18: ...n traffic weather and position data to an available portable electronic device GPS 175 NAVIGATOR Certified compatible with ADS B Out 2020 mandate TSO C146e compliant GPS WAAS navigator and internal GPS source TSO C195b Class B1 B3 B5 B7 compliant with an external active ADS B In source GNX 375 NAVIGATOR WITH TRANSPONDER TSO C88b compliant automatic pressure altitude reporting equipment TSO C146e c...

Page 19: ...ll Measures cockpit ambient light level to automatically adjust display brightness for day and night 4 SD Card Slot Interface for loading database exporting log files and updating software Compatibility with Flight Stream 510 allows wireless database transfer from the Garmin Pilot app via Database Concierge 5 Power Home Key Powers the unit on or off and provides direct access to the Home page 6 In...

Page 20: ...int Information Nearest FIS B Weather Display 1 2 ADS B In Traffic Display 1 2 Terrain Avoidance System Advisories Scheduled Messages Clock CDI Internal GPS Receiver Built in Bluetooth Database Concierge Access 3 Moving Map Terrain Flight Plan Graphical Flight Planning Waypoint Information Nearest FIS B Weather Receiver Display 2 ADS B In Traffic Receiver Display 2 ADS B Out on 1090 MHz Extended S...

Page 21: ...nt Test To ensure safe operation continuous built in test features exercise the unit s processor memory external inputs and outputs The Instrument Test page displays the results of all external equipment checks performed by the unit 1 3 2 Power Off WARNING NEVER ATTEMPT TO POWER OFF THE UNIT WHILE AIRBORNE UNLESS OPERATIONAL PROCEDURES DICTATE If an instrument remains flagged after one minute chec...

Page 22: ...s INSERT AN SD CARD When inserting an SD card 1 Verify unit power is off and the slot is empty 2 Hold card such that label faces left edge of display screen 3 Ensure back edge of card is flush with display bezel after insertion EJECT AN SD CARD 1 Power off the unit 2 Release the spring latch by pressing lightly on exposed edge of card Exporting data logs Saving system configurations Capturing scre...

Page 23: ...g with arrow keys Increasing decreasing values continuously SWIPE A smooth motion that involves touching an object then sliding your finger across the screen and lifting up Use this gesture for Accessing multiple panes right or left swipes Viewing and scrolling lists Panning across a map display FLICK Swiping the screen in a quick upward or downward motion Information moves at a fast speed faster ...

Page 24: ...functions on subpages e g Utilities System Open the system messages list A flashing icon indicates unread messages Cancel an active function without inputting data Open a context menu Input a specified value Return to the previous page Select the corresponding item e g database update A checkmark confirms selection Toggle keys turn a specific function on or off The current state of the function is...

Page 25: ...p control keys related to a single function e g FIS B Weather When scrolling all keys in the list are inactive An indicator at the bottom of the menu shows which pane is active Active Pane Multiple panes are accessible by way of a left right swipe or inner knob turn Underlying Page Hidden Pop up menus open to the default or previously selected value Default or Current Setting Scroll Bar Toggle key...

Page 26: ...1 5 4 Keypads The navigator employs multiple keypad types to serve specific settings and functions NUMERIC ALPHANUMERIC Alphanumeric keypads comprise multiple keysets that are accessible by way of swipe or key selection Inactive Tabs Active Tabs Inactive Tabs Numeric keypads open on a single pane Backspace and Enter keys always appear at the right of the screen Selectable Keysets Active Keyset An ...

Page 27: ...ing Scrolling lists Inputting data Modifying individual characters in data entry field Inner Knob Push Entering current or specified numerical value Toggling Map page user fields on or off Accessing the Direct To function from the Home page Inner and outer control knobs offer an alternative method for selecting and modifying data without the use of touch keys Outer Inner Slot 1 Map Slot 3 Slot 2 S...

Page 28: ...g a screen capture Images automatically save to the print folder in the SD card root directory A camera icon momentarily shows in the annunciator bar indicating a successful screen capture To view saved images remove the SD card and open the print folder on a computer 1 Insert an SD card into the card slot 2 Push and hold the control knob 3 With knob depressed push and release the Home Power key ...

Page 29: ...tionary conditions Conditional operating ranges Green Safe operating conditions Normal operating ranges Engaged modes White Scales and markings Current data and values Heading legs Magenta GPS data Active flight plan legs Parallel track Cyan Pilot selectable references Gray Missing or expired data Product unavailable Blue Sky Water Brown Ground ...

Page 30: ...RS Heading GSU 25 73 Integrated ADAHRS GNX GRS 77 AHRS GNX Heading SYSTEM REQUIRED LRUS GPS antenna SYSTEM OPTIONAL LRUS ADAHRS or ADC with AHRS GAD 29 adapter GAE 12 altitude encoder applicable to GNX 375 only G3X Touch G500 G600 G500 G600 TXi GMX 200 MX 20 OPTIONAL INTERFACES GDL 88 GTX 345 ADS B transceiver applicable to GPS 175 only The system consists of multiple LRUs which are installed behi...

Page 31: ... Provides pressure altitude information to the transponder GNX Aircraft static pressure LRU DISPLAY FUNCTION GDL 88 GTX 345 Provides datalink traffic and weather GPS Traffic Services ADS B TIS B Weather Services FIS B Weather Products Map FIS B Weather Precip METARs FIS B Weather only Precip Winds Aloft METARs TAFs AIRMETs SIGMETs TFRs PIREPs ...

Page 32: ...1 16 GPS 175 GNX 375 Pilot s Guide 190 02207 02 Rev B INTENTIONALLY LEFT BLANK ...

Page 33: ...PDR Modes 2 17 2 11 Squawk Code Keys 2 18 2 12 Remote Control 2 20 2 13 XPDR Alert 2 20 ADS B ALTITUDE REPORTING 2 14 ADS B Control Panel 2 21 2 15 GDL 88 Alert 2 23 PILOT SETTINGS 2 16 CDI Scale 2 24 2 17 Airport Runway Criteria 2 27 2 18 Clocks Timers 2 28 2 19 Page Shortcuts 2 29 2 20 Alerts Settings 2 30 2 21 Unit Selections 2 31 2 22 Display Brightness Control 2 32 2 23 Scheduled Messages 2 3...

Page 34: ...of these while in flight on ground only Load databases via SD card Once loading completes you may power off the unit and remove the card Transfer databases from a Flight Stream 510 wireless datacard This method requires the Garmin Pilot app on a portable electronic device SUPPORTED DATABASES Basemap Bodies of water geopolitical boundary and road information Navigation Airport NAVAID waypoint and a...

Page 35: ...ght Stream 510 is present Includes Basemap and Terrain No pilot confirmation or restart required Databases with specified effective dates Effective during a specific period Unit determines database status using the current date and time from GPS Automatic activation occurs on the effective date The start up page lists all currently installed databases Review this list for current database types cy...

Page 36: ...stem System Status Select Active or Standby VIEW COPYRIGHTS DB INFO PAGE DISPLAYS Active Information about databases currently in use View Copyrights key Standby Information about databases that are not yet effective During normal operation information about all active and standby databases are viewable on the associated info page The Standby DB Info page notifies when no standby databases are ava...

Page 37: ...p page is active i e during power up 2 3 1 Database Updates Page DATABASE SOURCE INDICATION No indication means the database is either from an SD card or the unit s internal standby queue This page presents a list of all available databases To open tap the Databases key on the start up page 2 3 1 Connext Icon A Connext icon indicates when a database is from Garmin Pilot via wireless transfer ...

Page 38: ...Start By default this page displays only the databases recommended for update Basemap and Terrain update automatically and require no action A message notifies when no such databases are available The unit automatically restarts once all updates are complete Tapping Show All displays a complete list of all databases This list may include databases that are Not yet effective Older than the currentl...

Page 39: ...ne the cause of a database error tap Error Info An information window provides details regarding the state of the database This key appears when two databases are of the same type and cycle but pertain to different regions To specify a database region tap Select Region then select the appropriate menu option ...

Page 40: ...do not require pilot confirmation or a unit restart Automatic updates occur when A newer database is detected on the SD card or in the internal standby queue A newer database is within its effective dates The aircraft is on ground When a newer database is available follow the on screen prompts to complete the update process A status page displays a progress bar and the name of each database as it ...

Page 41: ... Follow the on screen prompts Database Concierge Transfer Function Provides automatic updates for databases with effective dates Preloads databases that are not yet effective by placing them in the internal standby queue Displays database type cycle effective date and transfer progress Allows manual operation via Start key Requires pilot confirmation Database Concierge allows wireless transfer of ...

Page 42: ...lays if no databases are available Database Concierge transfers databases from the app to Flight Stream 510 A progress bar shows when this process is complete Database Transfer Status The unit either updates or preloads databases based on their effective date A second progress bar indicates upload status The unit automatically restarts upon database activation Database Update Status Tapping Skip c...

Page 43: ...d using the provided keypads 4 Enable Wi Fi setting on the portable device Wi Fi status changes to Open App once pairing is complete Flight Stream 510 requires power up Wi Fi is active but the unit is waiting to connect with a device Connection complete Flight Stream 510 requires Garmin Pilot to be opened in order for database transfer to commence Garmin Pilot opened and streaming to unit Tapping ...

Page 44: ...or use with a portable electronic device All internal AHRS functions are automatic and do not require pilot action Connext Features The following features are available on your portable electronic device GPS position and velocity information Uncorrected barometric pressure altitude used by transponder and ADS B 1 ADS B In traffic data 2 FIS B weather and flight information 2 AHRS data from built i...

Page 45: ...orts Bluetooth pairing with up to 13 portable electronic devices via the Garmin Pilot app Bluetooth management options reside on the Devices page Opening this page automatically initiates device pairing Device information and pairing mode status display on the Connext page Tapping Bluetooth Enabled toggles Bluetooth functionality on or off All associated setting controls and features are unavailab...

Page 46: ...l paired devices and their connection status tap Paired Devices To enable automatic connection between the unit and a paired device at power up tap Auto Reconnect The device is configured and communicating properly The device is not available and is not configured or it is not communicating properly This feature allows automatic import of flight plans via Bluetooth It may be necessary to turn this...

Page 47: ...Code Entry Field 4 Squawk Code Entry Keys 2 VFR Key 5 Data Field 3 XPDR Mode Key Transponder controls are accessible via the XPDR key This key is unavailable when the control panel is active 5 4 2 1 3 The XPDR key becomes available when you Enter a squawk code Open the XPDR menu View a message Select the Mode key Leave the control panel ...

Page 48: ...default Tap Menu to access the transponder setup options From here you can Change the display of data Enable 1090 ES ADS B Out functionality if configured Assign a unique flight ID Toggles the data field between pressure altitude and flight ID Pressure Altitude Flight ID Displays the current pressure altitude Displays the active Flight ID Unless configured the Flight ID is not editable Tapping ADS...

Page 49: ...bol on the display indicates the transponder is responding Altitude Reporting Transponder replies to identification and altitude interrogations Reply R symbol indicates the transponder is responding GNX 375 transmissions include pressure altitude During Altitude Reporting mode all aircraft air ground state transmissions are handled via the transponder and require no pilot action Always use this mo...

Page 50: ... yet entered appear as underscores Activate the new code by tapping Enter To cancel the code entry and exit the page tap Cancel Active squawk codes remain in use until a new code is entered Tapping this key once sets the squawk code to the preprogrammed VFR code This code is factory set to 1200 but may be changed during configuration Tapping the XPDR key activates the IDENT function for 18 seconds...

Page 51: ...iate the IDENT function code unmodified Tap to accept modified code and initiate IDENT function IDENT Standby Mode Reply active IDENT function active No change to transponder code Standby mode Current squawk code inactive IDENT with New Squawk Code Altitude Reporting Mode Reply active Transponder code modified Altitude reporting mode Reply active Identify function active VFR squawk code active ...

Page 52: ...nnunciations are designed to be immediately recognizable If a failure occurs while the control page is active the display automatically returns to the previous page Squawk code Transponder mode IDENT ADS B transmission Flight ID UNIT CONDITION GNX 375 ADS B interboard communication failure For information regarding pilot response to a transponder failure consult the AFMS If the transponder fails R...

Page 53: ...ontrols are accessible via the ADS B key 1 2 3 GDL 88 Features Remote mount ADS B transceiver Transmits ADS B Out messages to ATC and other aircraft Communicates ADS B In data to panel mounted avionics for the display of traffic and weather When interfaced to a GDL 88 transceiver GPS 175 allows control over some aspects of the ADS B Out message and provides position information to the GDL 88 Not a...

Page 54: ...ity dependent on GDL 88 configuration During anonymous mode the unit replaces identifying information in the ADS B Out message with a temporary randomized number for privacy while providing position information Instead of a flight ID the unit transmits the call sign VFR ALT indicates that the unit is in altitude reporting mode This indication corresponds to the function status annunciation on the ...

Page 55: ...igned to be immediately recognizable If a failure occurs while the control page is active the display automatically returns to the previous page UNIT CONDITION GPS 175 GDL 88 failure For information regarding pilot response to ADS B failures consult the AFMS If the flight ID is editable tap Flight ID and assign a unique identifier The key is not selectable read only when the ID is received from th...

Page 56: ...iteria Set the date and time Create shortcuts Set the display units Adjust display brightness Other setup options allow you to monitor time in flight and create custom reminder messages These reside in the system Utilities Set the scale for the course deviation indicator Scale values represent full scale deflection for the CDI to either side Options 0 30 nm 1 00 nm 2 00 nm Auto Auto Setting Annunc...

Page 57: ...oach fix Scaling tightens from 1 0 nm to the angular full scale deflection defined for the approach typically 2 0º 2 16 1 Horizontal Alarm Limits Horizontal alarm limits HAL are used to compare against GPS position integrity These protection limits follow the CDI scale unless the corresponding flight phase requires a lower HAL For example the selected scale setting is 1 0 nm but full scale deflect...

Page 58: ...displays below the GPS NAV Status Indicator key CDI OFF CDI ON Only the Flight Plan page access key is available The CDI provides no indications without an active flight plan Lateral Deviation Indicator Visual Approach Guidance Lateral deviation indications display when there is an active flight plan Advisory horizontal guidance annunciations appear when a visual approach procedure is active ...

Page 59: ... one of these airports Typing 0 allows runways of any length to display on Map appear in the nearest airport list and be considered for use by Terrain Specify runway criteria from the System Setup page Selections determine which airports are suitable when using the nearest airport search feature During an approach the terrain alerting algorithm uses airport runway settings to avoid nuisance alerts...

Page 60: ...en timer types using the provided display key Clock Generic Timer Trip Departure Timers Stopwatch style counter Count up or count down Specify countdown time using the preset function Measure elapsed airborne time since the last ground to air transition Set timer to start at unit power up or once the aircraft is in air Controls Criteria Power On In Air Reset Timer Controls Direction Up Down Start ...

Page 61: ...reserved for the Map page Tap a slot key and assign a page to that slot Page Shortcut Options Traffic Terrain Weather Nearest Airport Flight Plan Depending on configuration Traffic and Weather shortcuts may not be available Verify shortcut operation once complete Tapping Restore Defaults returns both slots to their default settings Terrain for Slot 2 Nearest Airport for Slot 3 ...

Page 62: ...tude and longitude to avoid nuisance alerts Control keys allow you to select which airspace boundaries generate an alert annunciation upon entry Alert boundaries for controlled airspace are sectorized to provide complete information on any nearby airspace Alert settings do not alter the depiction of airspace nor do they change Smart Airspace settings on the Map page With the exception of Altitude ...

Page 63: ...ct a unit type PARAMETER SETTINGS Distance Speed Nautical Miles nm kt Statute Miles sm mph Temperature Celsius ºC Fahrenheit ºF NAV Angle Magnetic º True ºT User ºU Magnetic Variation Specify number of degrees for east or west ºE ºW Available only when User ºU is the active NAV angle Customize the display unit settings Tapping a parameter key opens a menu of the available unit types ...

Page 64: ...he photocell This prevents the display from going black in the event of a dimmer input failure Installer configured curves determine the amount of change in brightness that occurs in response to a control adjustment If brightness control is not satisfactory contact a Garmin dealer to adjust the lighting curves Depending on configuration display brightness is controlled using inputs from the built ...

Page 65: ...list RESET TIMER Restarts the countdown timer DELETE MESSAGE Confirming this request removes the selected message from the list TYPE DISPLAYS One time When the timer expires or following each power cycle until message deletion Periodic After a specified duration of time Countdown repeats once the message displays Event According to a specified date and time Message timer not applicable Create cust...

Page 66: ...bnormal condition that may require pilot action A warning may follow a caution if no attempt is made to correct the condition e g altering the aircraft s path toward the alerted terrain or obstacle MODE FUNCTION ADVISORIES Advisories provide status and operating information System advisories These display on a dedicated message list Depending on the number of advisories this list may be scrollable...

Page 67: ...conds All annunciations remain active solid until the condition is resolved or no longer a threat ANNUNCIATION LOCATION Alerts and informational advisories annunciate in the annunciator bar along the bottom of the screen ALERT COLORS WARNING CAUTION ADVISORY Warnings display in white text on red background Cautions display in black text on amber background Function or mode specific advisories disp...

Page 68: ...hibit Key 2 Close Pop up Window Key 5 Go to Page Key 3 Alert Annunciation Pop up Alert Priority In the event of simultaneous alerts pop up windows display in the following order 1 Terrain alerts 2 Traffic alerts Each pop up alert provides Threat indication Alert annunciation Option to inhibit or mute the alert Control for closing the pop up window Direct access to the associated page Pop up Alert ...

Page 69: ...refer to section 2 2 Current satellite coverage GPS solution and receiver status Phase of flight Position accuracy Present position latitude and longitude View information specific to the unit and its software Refer here when contacting customer service Monitor GPS receiver performance establish a baseline for normal system operation and troubleshoot weak or missing signal issues Depicts satellite...

Page 70: ...solid Data collected but receiver is not using satellite in the position solution Green bar solid Data collected satellite in use in the current position solution D inside bar Differential corrections are in use e g WAAS Satellite SVIDs Each bar is labeled with the SVID of the corresponding satellite Numbers vary according to satellite type GPS 1 to 31 SBAS 120 to 138 A graph shows GPS signal stre...

Page 71: ... ground Displays only on the Map page LABEL POSITION DATA EPU Estimated Position Uncertainty HDOP Horizontal Dilution of Precision HFOM Horizontal Figure of Merit VFOM Vertical Figure of Merit Information fields indicate the accuracy of the position fix HFOM and VFOM values represent 95 confidence levels in horizontal and vertical accuracy Lower values mean higher accuracy Higher values are the le...

Page 72: ...s PROVIDER SERVICE AREAS EGNOS Most of Europe and parts of North Africa GAGAN India MSAS Japan only WAAS Alaska Canada the 48 contiguous states and most of Central America ANNUNCIATION CONDITION Acquiring GPS receiver uses last known position and satellite orbital data collected continuously from satellites to determine which satellites should be in view 3D Nav 3 D navigation mode GPS receiver com...

Page 73: ...tes active course guidance Annunciation is specific to cause Loss of Navigation Aircraft is after the final approach fix and GPS integrity does not meet the active approach requirements Insufficient number of satellites supporting aircraft position i e more than 5 seconds pass without adequate satellites to compute a position GPS sensor detects an excessive position error or failure that cannot be...

Page 74: ...lance application process failed Unavailable Fault Required input data is available but does not meet the performance criteria or is not available due to non computed data conditions View last uplink time and GPS source information TEXT COLOR MINUTES SINCE LAST UPLINK Green 5 Yellow 5 to 15 15 This field displays the number of minutes since last uplink Digital values may change color depending on ...

Page 75: ...Log Functions GNX 375 only Generates log files automatically upon unit power up Overwrites oldest file when the internal log reaches capacity Exports to the log_files folder on the SD card ADS B log files may take several minutes to export A logging function stores WAAS diagnostic and ADS B traffic data GNX 375 only in the unit s internal memory This information is available for export to an SD ca...

Page 76: ...2 44 GPS 175 GNX 375 Pilot s Guide 190 02207 02 Rev B INTENTIONALLY LEFT BLANK ...

Page 77: ...0 3 7 Parallel Track 3 31 3 8 Edit Data Fields 3 33 3 9 Flight Plan Catalog 3 33 3 10 Create a Flight Plan 3 36 3 11 Flight Plan Map Overlay 3 38 3 12 GPS NAV Status 3 39 DIRECT TO 3 13 Direct To Basics 3 40 WAYPOINTS 3 14 Waypoint Information 3 45 3 15 Waypoint Selection 3 48 3 16 Create User Waypoints 3 51 3 17 Nearest 3 55 PROCEDURES 3 18 Flight Procedure Basics 3 58 3 19 Departures 3 62 3 20 A...

Page 78: ...75 Pilot s Guide 190 02207 02 Rev B Navigation Menu selections vary based on features and optional equipment installed with Garmin avionics 1 NEXRAD and Terrain overlays are mutually exclusive NAVIGATION APPS FUNCTIONS ...

Page 79: ...s dependent upon configuration Absent if a GPS source is not available 2 Track Vector Current ground track indication 3 Basemap Presents a graphical depiction of land and water data 4 User Field Customizable data field appearing in each corner of the map By default these display distance track ground speed and desired track 5 NAV Range Ring Displays current direction of travel on a rotating compas...

Page 80: ...ange ring 7 North Indicator Indicates True north 8 Page Orientation Label North Up orients map to True north Heading Up orients map to current aircraft heading requires heading data source interface Track Up orients map to current aircraft GPS track 9 Map Overlay Icons Indicates status of overlays at the current map range Includes obstacles power lines precipitation terrain and traffic AIRCRAFT ST...

Page 81: ...tices DATA DRAWING ORDER The electronic map draws data in order of priority from highest 1 to lowest 39 with higher priority features drawn atop those of lower priority LEVEL FEATURE LEVEL FEATURE 1 Traffic 14 Surface Conditions 2 Ownship 15 Airspace 3 Flight Plan 16 Waypoints 4 Terrain FLTA 17 Airways 5 Point Obstacles 18 Reference Grid 6 Line Obstacles 19 Radar Coverage 7 TFR 20 NEXRAD 8 METAR 2...

Page 82: ...tical information Tap Menu when you need to Change map orientation settings Configure user fields Adjust the map detail level Enable map overlays Select a NEXRAD source Filter airspace data according to altitude Specify airway types and range values Expand the forward looking view for improved situational awareness RESTORE MAP SETTINGS With the exception of user fields this key restores all origin...

Page 83: ...map elements are inactive Tap any key and select from the list of available data types Displayed units change based on selection Selecting OFF removes the corresponding user field from the map page User Field Absent Tapping Restore User Fields returns all fields to their default settings and removes the TOPO scale if present For convenience Map user fields may be toggled on and off by pushing the ...

Page 84: ... error ETA Estimated time of arrival Trip Timer Timer display ETA at Dest ETA at destination TRK Track ETE Estimated time en route VSR Vertical speed required ETE to Dest ETE to destination Wind Wind speed and direction Generic Timer Timer display XTK Cross track error GS GPS ground speed OFF Do not display data field GSL GPS altitude Destination refers to the missed approach point if an approach ...

Page 85: ...witch at certain zoom levels This is useful as a shortcut to quickly increase situational awareness Sets the distance from the destination airport at which the Visual Approach selector key becomes active Visual Approach Key To reduce page clutter the key moves to the upper left corner of the display when the info banner is active Displays a topographical elevation scale To remove the scale Toggle ...

Page 86: ... track vector is placed over a point on the map and no data is entered into the system the unit indicates a wind corrected GPS track to that point This is useful for intercepting airways and radials making small but positive lateral corrections during approaches and in setting up for arrivals in the terminal area Provides a more precise indication of distance between the aircraft and map objects I...

Page 87: ...mediately Options include Full High Medium Low FEATURE FULL HIGH MEDIUM LOW Small Cities Medium Cities Large Cities Freeways Highways Roads Railroads Basemap Labels VORs NDBs Line Obstacles Point Obstacles Airspaces that are not prohibited or restricted Waypoints SafeTaxi Restricted Airspaces Prohibited Airspaces Present Removed ...

Page 88: ...rviced airport 1 Towered non serviced airport 1 Towered serviced airport 1 Soft surface non serviced airport Soft surface serviced airport Restricted private airport Unknown airport Heliport ILS DME or DME only Intersection LOM NDB TACAN VOR VOR DME VORTAC VRP Runway extension Railroad National Highway River Lake Freeway State Province Border Small City Local Road Medium City Local Highway Large C...

Page 89: ...t or location on the map displays a map pointer and an information banner MAP POINTER Before flight consider which map scales are best for achieving the desired level of detail and map information Generally use smaller map scales in and around terminal areas and whenever precise navigation is required e g airway or radial intercepts During cruise flight increase the map scale to better balance nav...

Page 90: ...able Available information and controls are dependent upon object or location type and proximity to other objects Selected Airport Selecting an airport icon displays the airport s highest field elevation A map pointer icon corresponds with the touch point on the map An information page access key displays when you select a waypoint airspace airport airport surface hot spot or TFR To move the selec...

Page 91: ...d radio frequencies Preview View the airspace boundary and a 2 D map of the surrounding area When selected active airspace boundaries change color Tapping Airspace Info opens the associated information page Selected Airspace Data fields display information specific to the selected airspace Available controls reside along the bottom of the page Graphical editing allows quick changes to the active f...

Page 92: ...EG Lists up to four waypoint identifiers Ellipse indicates additional waypoints Initial waypoint in flight plan always appears first Tapping Undo reverses the last edit You may undo up to nine of the most recent actions On the map dragging and releasing the leg away from any waypoints removes it from the temporary flight plan You can edit add or omit flight plan legs by tapping or dragging your fi...

Page 93: ...s not allow the addition of an intermediate waypoint between the current position and a direct to waypoint unless the waypoint is in the flight plan 3 Tap and drag the leg to a new waypoint or airway then release The temporary flight plan adjusts to show the new route If no other edits are necessary tap Done The new waypoint now appears in the active flight plan ...

Page 94: ...cation on the map Graphical Edit 2 Begin tapping waypoints to add them to the temporary flight plan 3 Tap Done You can tap and drag any leg to another waypoint or airway or release it away from any waypoint if an alternate destination is not preferred If an active flight plan does not exist you can graphically create one without ever leaving the Map page ...

Page 95: ...es the other Weather product and traffic overlays are optional on GPS 175 They are available only when configured for ADS B In equipment Control keys enable the specified overlay function only and do not activate interfaced equipment Control keys remain active even in the absence of required data Overlay controls reside in the Map menu Overlays topographical data and ground elevation scale Depicti...

Page 96: ... precipitation weather information Options include CONUS Regional or off none Feature optional for GPS 175 Overlays graphical METARs Tapping flag icon displays information on current and forecast conditions Available only in areas covered by the active navigation database Feature optional for GPS 175 Overlays graphical TFRs Tapping this airspace symbol displays details regarding the restricted are...

Page 97: ... altitude labels Filter selection determines altitude range Overlays the selected airway type s with identifier labels Options include low high all or off none High altitude airways are green low altitude airways are gray Overlays obstacle and wire data Color shading depicts an object s elevation relative to the aircraft s altitude ...

Page 98: ... A crossed out icon means the overlay is active but data is unavailable due to a failure test or standby condition where relevant The absence of an overlay icon means one of two possible conditions 1 Overlay not present at the current detail level or zoom setting 2 Overlay control is off METAR NEXRAD Obstacle Power Line TFR Traffic Terrain Data not available ...

Page 99: ...C Altitude Label ceiling floor Class D Class D Altitude Label ceiling only Restricted Prohibited TFR MIL Class B TMA Other ADIZ Garmin s Smart Airspace feature automatically de emphasizes non pertinent airspace away from the aircraft s current altitude When an airspace s vertical proximity to the aircraft is 1 000 ft Its boundary becomes transparent All associated altitude labels turn gray This ra...

Page 100: ...at includes hot spot information Aircraft position relative to taxiways runways and airport landmarks Pilot selectable range options Runway Taxiway Helipad Construction Area Airport Beacon Unpaved Parking SafeTaxi provides greater map detail and higher image resolution at lower zoom levels Feature labels denote Runways Taxiways Airport landmarks ...

Page 101: ...sions are likely to occur These known problem areas require heightened attention by pilots The following airport features may be deemed hot spots by aviation authorities Intersecting taxiways and runways Complex ramp areas Directional limitations Limited wing tip clearance Overflight risk Tapping this key provides additional location information Numbering corresponds to a list on the airport diagr...

Page 102: ...S Displays up to 100 waypoints for an active flight plan 1 Selectable Data Field Columns 5 Add Waypoint Key 2 Waypoint Identifier Column 6 Leg Data 3 Active Leg Indicator 7 Waypoint Type Icon 4 Current Waypoint Current flight plan information displays as a scrolling list on the Active Flight Plan FPL page Active Flight Plan Page 1 7 6 3 4 5 2 ...

Page 103: ...ft Turns MAHP Right Arrow Parallel Track Direct To Arc Right For convenience airport information is directly accessible from the procedure header This includes airports specified in active approaches arrivals and departures Tap Airport Info to open the corresponding information page Procedure Header Airport Info Key LABEL FIX TYPE iaf Initial Approach Fix faf Final Approach Fix map Missed Approach...

Page 104: ...ired course To From a waypoint using the provided controls or with an external OBS selector on HSI or CDI Expanded Airway Detail Airway Indication All airways begin with an indicator field and end with an exit identifier Exit Waypoint Airway Collapsed Indication To hide all waypoints along an airway but not the airway s exit waypoint tap Collapse All Airways The Omni Bearing Selector OBS allows yo...

Page 105: ...sequencing to the next waypoint Tapping the key again resumes automatic sequencing of waypoints normal mode SUSPEND UNSUSPEND 1 Tap OBS 2 Specify a heading course CDI indicates the OBS heading The mode displays on the annunciator bar SUSP UNSUSP This key displays for leg types that do not support OBS This key displays for legs that auto suspend e g leg holds missed approaches ...

Page 106: ...onality is not available Traffic displays on its dedicated page only CDI is not available Dead reckoning mode ends once GPS position is restored Points About Dead Reckoning Provides limited navigation using the last known position and speed following the loss of GPS navigation while on an active flight plan Becomes active after a loss of GPS position while navigating using an active flight plan an...

Page 107: ...rt parallel track Create a parallel course offset relative to the current flight plan Setup controls provide offset distance and direction setting left of track or right of track TRACK COLOR Offset Magenta Original Gray Once activated a new track line appears to the left or right of the original course line at the specified distance The aircraft navigates to the offset track with external CDI HSI ...

Page 108: ...activate parallel track tap Menu Deactivate PTK Offset Distance From WPT Original Track To WPT Offset To WPT Offset From WPT Parallel Track 1 Tap Menu Parallel Track 2 Tap Offset and specify a distance between 1 nm and 99 nm 3 Tap Direction and select left of track or right of track 4 Tap Activate ...

Page 109: ...IONS CUM Cumulative Distance DIS Distance DTK Desired Track ESA En Route Safe Altitude ETA Est Time of Arrival ETE Est Time En Route Selections are identical for each column By default flight plan information fields display Column 1 DTK Column 2 DIS Column 3 CUM Create activate edit copy and delete flight plans within the catalog Each catalog entry includes a route identifier the route distance an...

Page 110: ...an page COPY Create a copy of the selected flight plan A copy may be used as a starting point for creating a similar flight plan Select the copy and tap Edit to make modifications Selecting a flight plan opens a menu Changes to the active flight plan take effect immediately Activate the selected flight plan replacing the active flight plan Reverse and activate the selected flight plan Preview a se...

Page 111: ...nu 1 Tap Menu Delete 2 Confirm the request From the catalog 1 Select a flight plan 2 Tap Delete 3 Confirm the request to delete all waypoints DELETE ALL CATALOGED FLIGHT PLANS To remove all flight plans from the catalog 1 Open the catalog 2 Tap Menu Delete All 3 Confirm the request to clear the catalog 4 Tap Delete Pending 5 Confirm the request to remove all flight plans pending preview ...

Page 112: ... identifier using the provided search options 5 Repeat steps 3 4 for each waypoint in the route CREATE FROM MAP Build a flight plan by selecting waypoints directly on the map using the Graphical Edit feature For more about this method read section 3 2 2 CREATE FROM THE FLIGHT PLAN CATALOG 1 Tap Flight Plan Menu Catalog 2 Scroll to the end of the flight plan list 3 Tap Create New Catalog Route Add ...

Page 113: ... to the selected entry waypoint e g intersection VOR Activate Leg Designate any TO waypoint as the active flight plan leg Requires an active catalog flight plan Hold at WPT Create a user defined hold at the selected waypoint Specify hold parameters and preview holding patterns from a dedicated menu page WPT Info Open the dedicated information page for the selected waypoint Remove Remove the select...

Page 114: ...avigation 3 11 Flight Plan Map Overlay LEG STATUS COLOR Active Magenta Next Future White Past or Inactive Gray Active next and previous flight plan legs overlay on the Map page and are display only Leg Status Indications Active Leg Next Leg s Previous Leg s ...

Page 115: ...us No Flight Plan Exists Route Indicator Only Tap for direct access to the active flight plan Page icon means an active flight plan does not exist Once the page is open the indicator is display only Underscores denote the absence of an active leg Active Route Display CDI Scale Active Label changes to show active route identifiers from to next and leg types Only from to waypoints display when the C...

Page 116: ...Search tabs provide three different methods of waypoint selection Direct To is useful for quickly navigating to New waypoints An existing waypoint in the active flight plan Nearby airports Map waypoints An off route course User defined holds Set a course to any waypoint using Direct To Selecting an identifier automatically displays information about the waypoint When navigating to a single waypoin...

Page 117: ...ROLS Distance and bearing from current aircraft position Applicable city state country and or region e g NW USA Identifier and type icon Waypoint Identifier key with access to multiple search tabs Course To key for specifying he course angle for the navigation path Hold key for creating loading and activating user defined holds Activating a direct to course establishes a point to point line from t...

Page 118: ...ng the Graphical Edit function the same as you would a flight plan Flight Plan Waypoints If a flight plan exists waypoint sequencing resumes once you reach the direct to waypoint If the waypoint is not in the flight plan the flight plan is no longer active but remains available Direct To options are not available for all flight plan entries Some entries include holds and course reversals which are...

Page 119: ... the original active flight plan Assigns the leg nearest to the aircraft s position as the active leg Resumes waypoint sequencing If no active flight plan exists the aircraft continues on its current heading without any navigation guidance Direct To Procedure Fixes Approach guidance is not available for procedure fixes An example would be activating a direct to course to a waypoint between the fin...

Page 120: ...n Course Specify the course angle Direction Select between Inbound or Outbound Turn Select between Left Turn or Right Turn Leg Type Select Time or Distance Leg Time Specify the leg time in minutes and seconds MM SS Leg Distance Specify the leg distance EFC Specify a time for the Expect Further Clearance reminder Preview View the defined holding pattern as it will appear on Map and on the Active FP...

Page 121: ...Airport page is a great place to start when performing an approach brief checking weather or considering a diversion Database waypoints i e waypoints contained in the navigation database are organized into the following groups Airport APT Intersection INT Very High Frequency Omni directional Range VOR Visual Reporting Point VRP Non Directional Beacon NDB You also have the ability to define any poi...

Page 122: ...4 Waypoint specific information e g class station declination frequency DATA FIELDS CONTROLS Distance and bearing from current aircraft position Latitude and longitude Applicable city state country and or region e g NW USA Identifier and type icon Waypoint Identifier key with access to multiple search tabs Preview key for displaying a 2 D map of the surrounding area includes SafeTaxi airport depic...

Page 123: ...ional frequency information by tapping More Information if available WX Data Applicable METARs city forecasts and TAF weather information NOTAMs Applicable distant and FDC NOTAMs VRPs Nearest VRPs Intersection Data fields Nearest VOR identifier type icon bearing and distance Very High Frequency Omni directional Range Data fields Frequency Nearest airport identifier type icon bearing and distance S...

Page 124: ...nearest waypoint identifier type icon radial and distance whichever is applicable Number of waypoints used out of 1 000 The User WPT page is the only page that allows you to view an entire list of all user waypoints created and saved in the database The Waypoint Identifier key provides access to different waypoint search options Enter a specific identifier or select one from the available search t...

Page 125: ... USER Lists up to 1 000 user defined waypoints The Find key provides access to multiple search tabs Each tab displays a list of selectable identifiers based on specific criteria Waypoint Search Tabs Each entry includes general information about the associated waypoint Waypoint Identifier Type Icon Bearing Distance Tap Filter and select from the available filter options Only waypoints belonging to ...

Page 126: ...vigation SEARCH BY NAME SEARCH BY CITY Lists all airports NDBs and VORs associated with the specified facility name Tap Search Facility Name to begin search Lists all airports NDBs and VORs found in proximity of the city Tap Search City Name to begin search ...

Page 127: ... intersection in the navigation database this is not always the case The Create User Waypoint function allows you to define the new intersection and insert it into the flight plan in advance as opposed to using the NAV radio to tune each VOR and specify the radials to fly inbound and outbound Create and store up to 1 000 user defined waypoints Access this page from one of two places Waypoint Info ...

Page 128: ...n the waypoint a temporary status Identifier remains available until the next unit power cycle Create Add the new identifier to the used waypoints list The associated information page opens automatically for viewing and editing purposes Active user waypoints already existing in a flight plan are not editable When creating a user waypoint you have the option to Create a user waypoint Assign a uniqu...

Page 129: ...et the Waypoint Position using one of the following options Radial Radial Specify a waypoint and radial for each of the two reference points Radial Distance Specify the reference waypoint radial and distance LAT LON Specify the point s latitude and longitude LAT LON Radial Distance LAT LON Waypoint Radial Distance Radial Radial Waypoint 1 Radial 1 Waypoint 2 Radial 2 ...

Page 130: ...tive FPL page Home Flight Plan Select the identifier from the flight plan WPT Info Edit MODIFY POSITION VALUES From the Edit WPT page you can modify a user waypoint s position one of two ways 1 Tap Position Latitude Longitude Specify the waypoint s coordinates Save OR 1 Tap Graphical Edit 2 Hold and drag the basemap until the user waypoint icon appears over the desired location 3 Tap Enter Save 3 ...

Page 131: ...ifier symbol distance bearing approach type length of longest runway Nearest Intersection Identifier symbol distance bearing Nearest Very High Frequency Omni directional Range Identifier symbol distance bearing frequency Nearest Visual Reporting Point Identifier symbol distance bearing Nearest Non Directional Beacon Identifier symbol distance bearing frequency Nearest User Waypoint Identifier symb...

Page 132: ...ation Facility name distance bearing frequency RX denotes receive only frequencies Nearest Weather Frequency Facility name distance bearing frequency of nearest ATIS ASOS and AWOS NEAREST LIST ENTRY LIMIT ARTCC FSS 05 Airspace 20 Airport Intersection VOR VRP NDB User Weather FREQ 25 The number of entries displayed varies according to item type Entries are ordered from closest to farthest This key ...

Page 133: ...ransition Runway Select a runway for the selected airport Preview View a 2 D map of the surrounding area includes SafeTaxi airport depictions For page specific controls refer to the appropriate procedure description When loading a procedure always remember to check the runway transition and all waypoints Lateral and vertical guidance is available for visual and GPS RNAV approaches The published in...

Page 134: ... GPS overlays improving accuracy so that approaches do not require overflying a VOR or NDB The unit guides you through complex overlay approaches automatically sequencing each leg up to the missed approach point Fly approaches as published with the full transition using any published feeder route or initial approach fix or with a vectors to final transition While not required under TSO C146e an op...

Page 135: ...nd the Distance field on the flight plan increases as you navigate the leg From legs are typically found on procedure turns and on some missed approach procedures Roll Steering Autopilots Roll steering terminates when approach mode is selected on the autopilot It becomes available once you initiate the missed approach Composite CDI When interfaced to a composite type CDI the composite CDI flag sho...

Page 136: ... DR Dead reckoning CDI not available ENR En route CDI full scale deflection 2 0 nm or current CDI scale selection whichever is smaller LNAV Lateral Navigation Approach Fly to published LNAV minimums LNAV V Lateral Navigation Approach with Advisory Vertical Guidance Fly to published LNAV minimums L VNAV Lateral and Vertical Navigation Approach Fly to published LNAV VNAV minimums LOW ALT Low Altitud...

Page 137: ...e with Vertical Guidance Approach Fly to LPV minimums MAPR Missed Approach System using missed approach integrity CDI full scale deflection 0 30 nm OCN Oceanic CDI full scale deflection 2 0 nm TERM Terminal CDI full scale deflection 2 0 nm or current CDI scale selection whichever is smaller VISUAL Visual Approach Vertical guidance based on advisory terrain avoidance calculations CDI scaling is ide...

Page 138: ...ce list 7 Tap Load Departure The Active FPL page opens 8 Scroll the flight plan to view all departure waypoints Loading a Departure into Flight Plan Always load the departure at the departure airport in the flight plan Flight plans allow only one departure procedure at a time Loading a departure when one is already present will replace the existing entry Selecting a departure transition waypoint a...

Page 139: ...75 Pilot s Guide 3 63 3 19 1 Flight Plan Departure Options Selecting a departure on the flight plan opens a menu Changes to the active flight plan take effect immediately Select a new departure Remove the selected departure from the flight plan ...

Page 140: ...ge opens 8 Scroll the flight plan to view all arrival waypoints Loading an Arrival into Flight Plan Load a Standard Terminal Arrival STAR at any airport with a published arrival procedure Flight plans allow only one arrival procedure at a time Loading an arrival when one is already present will replace the existing entry Selecting an arrival transition waypoint and runway defines the route Load Ar...

Page 141: ...NX 375 Pilot s Guide 3 65 3 20 1 Flight Plan Arrival Options Selecting an arrival on the flight plan opens a menu Changes to the active flight plan take effect immediately Select a new arrival Remove the selected arrival from the flight plan ...

Page 142: ...l the flight plan to view all approach waypoints Loading an Approach into Flight Plan Always check the runway transition and all waypoints Flight plans allow only one approach procedure at a time You may load an alternate approach during a missed approach procedure flight plan retains all missed approaches Loading an approach when one is already present will replace the existing entry Selecting an...

Page 143: ...issed approach point Climb to altitude legs Hold to altitude legs To change or remove the approach Tap the existing flight plan approach Select a different one OR Tap Remove Approach Channel ID Key Select the channel ID for an SBAS approach to the current destination Provides an alternate means of loading an approach IDs are available from an approved approach chart In the case of duplicate number...

Page 144: ...es of the charted procedure A procedure turn is stored as another approach leg It does not require any special operations other than flying the procedure itself Roll steering is available for aircraft with a compatible autopilot Selecting an approach on the flight plan opens a menu Changes to the active flight plan take effect immediately Activate the selected approach Activate vectors to final fo...

Page 145: ...edures Home Procedures Activate Missed Approach Once selected guidance continues along an extension of the final approach course i e final approach fix to missed approach point The unit automatically sequences to the first leg of the missed approach This allows you to execute the missed approach prior to reaching the missed approach point AFTER MISSED APPROACH POINT Upon reaching the missed approa...

Page 146: ...nges to the active flight plan take effect immediately Activate the selected hold Insert a waypoint after the hold Edit hold details Exit the holding pattern before the timer expires Remove the selected hold from the flight plan 1 Select the hold 2 Tap Activate Hold 3 Confirm the request 1 Select the hold 2 Tap Remove 3 Confirm the request 1 Tap SUSP 2 Select the hold 3 Tap Exit Hold 4 Confirm the...

Page 147: ...omposite CDIs FROM TO field on the annunciator bar indicates FR Course guidance continues along the final approach course If you need to go around the holding pattern again to lose extra altitude or speed tap SUSP to manually suspend waypoint sequencing before crossing the holding waypoint the second time If you have already passed the waypoint re activate the holding pattern Upon activating an RN...

Page 148: ...es Left right guidance relative to the arc Manual arc leg activation once aircraft is near the arc The unit supports approaches containing DME arcs To manually activate DME Arc the aircraft must be within the shaded area Intermediate Approach Fix Initial Approach Fix Arcing Fix VOR DME Arc 1 2 X X ...

Page 149: ...that starts and terminates at a fix An RF leg may be published as part of a procedure The unit supports radius to fix RF legs associated with RNAV RNP 1 0 non AR approaches when approved by the installation Flying a radius to fix approach is similar to flying a DME arc approach status indications are identical Unlike DME arcs however RF legs are not based on a VOR They may have varying radii makin...

Page 150: ... LNAV V APPROACH RNAV non precision LNAV approach with advisory vertical guidance The glidepath is a light dashed line on the vertical profile Jeppesen charts only with an associated glidepath angle usually in the 3 00 degree range to assist in maintaining a constant vertical glidepath similar to an ILS glideslope Selecting an ILS or LOC approach results in a pop up message Activate the approach o...

Page 151: ...conds before final approach fix System verifies GPS position integrity is within approach limits If GPS integrity exceeds the horizontal and or vertical alarm limits Approach downgrades to non precision LNAV annunciates on Map to inform of the change if there are LNAV minimums for the approach Advisory message GPS approach downgraded Use LNAV minima Glideslope indication disappears Pilot continues...

Page 152: ...ng missed approach point Advisory message Arriving at Waypoint Crossing missed approach point Sequencing suspends Pop up message Missed Approach Waypoint Reached Pilot decides whether to remain suspended or activate the missed approach Tapping Remain Suspended allows you to continue with sequencing suspended Tapping Activate GPS Missed Approach allows you to continue with guidance to the missed ap...

Page 153: ... Unit begins to automatically rescale in an angular fashion allowing you to fly as you would a standard localizer approach 2 0 nm from final approach fix CDI scaling tightens from 2 degrees or 0 3 nm full scale deflection whichever is smaller 60 seconds before final approach fix System verifies GPS position integrity is within the horizontal limits to complete the LP non precision approach Points ...

Page 154: ...rt navigation to the missed approach When crossing the final approach fix Waypoint sequences to the missed approach point e g RW31 the runway threshold Pilot flies toward missed approach point keeping the needle on the external CDI or HSI at center observing published altitude minimums Final course segment becomes the active flight plan leg on Map Approaching missed approach point Advisory message...

Page 155: ...h guidance to the missed approach hold point Prepare aircraft for missed approach operation Pilot taps UNSUSP sequences missed approach NOTE For missed approaches with heading legs fly manually until you reach the first active course leg Pilot follows the unit provided guidance to the missed approach hold point and holds LP V Flying an LP approach with advisory vertical guidance LP V does not chan...

Page 156: ...ons are within the approach path vertical guidance is provided to a maximum distance of 28 nm from the runway If there are known obstructions further than 3 nm but within the 28 nm maximum distance from the runway along the approach vertical guidance is limited to the approach path after crossing the known obstructions After loading the approach a shortened magenta line shows on the map If obstruc...

Page 157: ... at the left of the screen if the supporting airport is selected 1 Select the airport icon 2 Tap Visual 3 Select from the list of available visual approaches Once selected the visual approach immediately loads and activates LOAD A VISUAL APPROACH FROM PROCEDURES Two methods Home PROC Approach OR Home Waypoint Info Airport PROC Select an approach similar to published instrument approaches For more ...

Page 158: ...n configuration FEATURE LIMITATIONS Applicable to King KAP 140 and KFC 225 autopilots Outputs for the King KAP 10 KFC 225 autopilot units require manual activation If configured this function prompts you to enable autopilot outputs during the approach procedure Once enabled the unit provides guidance information consistent with what the autopilot expects i e angular CDI scaling and glideslope capt...

Page 159: ...5 GNX 375 Pilot s Guide 4 1 4 Planning VERTICAL CALCULATOR 4 1 VCALC Page 4 3 4 2 VCALC Setup 4 4 FUEL PLANNING 4 3 Fuel Planning Page 4 5 DALT TAS WIND CALCULATOR 4 4 DALT TAS Wind Page 4 8 RAIM PREDICTION 4 5 RAIM Prediction Page 4 11 ...

Page 160: ...lectable when Present Position P POS function is active 4 Function not selectable when sensor data in use 5 Indicates pressure altitude when sensor data in use PLANNING APPS FUNCTIONS This section describes features that make flight planning easier and more efficient Planning apps and setup functions reside in the system Utilities ...

Page 161: ...plan or direct to destination is available One of the following modes is active SUSP Vectors to Final OBS Navigating to a waypoint after the FAF 4 1 VCALC Page Create a 3 D profile to guide you from your present position and altitude to a final target altitude at a specified location Once defined you may configure message alerts and additional data on the Map page to stay informed of your progress...

Page 162: ... airports only VS Profile Specify the vertical speed value Offset Distance value representing the geographical location at the target altitude Distance is measured from the target waypoint Before After Indicates whether the offset distance defines a point before or after reaching the target waypoint After indication not available for the last destination in flight plan Target Waypoint Reference lo...

Page 163: ...y Fuel on Board and Fuel Flow are pilot specified values They are not a direct indication of actual aircraft fuel on board or fuel flow Fuel Required to destination is a calculated prediction based on pilot specified values It is not a direct indication of actual fuel quantity once the aircraft reaches its destination All data entries on this page are used exclusively by the Fuel Planning app Fuel...

Page 164: ... flight plan if no selection is made Leg Options dependent on flight plan selection Defaults to cumulative leg option if no selection is made Both Fuel on Board Specify the amount of fuel on board gallons This amount decreases once per second based on specified fuel flow value Fuel Flow Specify the current fuel flow rate gallons per hour Use Sensor Data Utilize current GPS ground speed data Ground...

Page 165: ...waypoints or use the aircraft s current position as the From waypoint 3 Specify the amount of fuel on board and average fuel flow rate 4 Specify ground speed or elect to use sensor data 5 Tap Compute Fuel required for leg Fuel after leg Reserve after leg Range Efficiency Endurance Compute and display fuel data based on the selected fuel planning mode and specified input values Statistics for the s...

Page 166: ...d sensor data 4 4 DALT TAS Wind Page 4 4 1 Editing Input Data Available selections are dependent on sensor data use TAT and HDG may also be available via an external data source Not Selectable Calculate density altitude true airspeed and winds This feature indicates the theoretical altitude at which the aircraft performs based on several input variables ...

Page 167: ...r below sea level Mutually exclusive with Pressure ALT BARO Specify barometric pressure value 3 CAS Specify calibrated air speed value 2 TAT Specify true air temperature Use keys to indicate above or below 0º HDG Specify heading value TRK Specify track angle value 2 Use Sensor Data Inputs reference values internal or received from air data computer Replaces indicated altitude with pressure altitud...

Page 168: ...ion is dependent on the NAV Angle system unit setting If wind speed is zero wind direction displays as dashes DENSITY ALTITUDE WIND DATA Pressure altitude corrected for nonstandard temperature Units display in increments of ten Wind direction and speed Headwind Tailwind True air speed Compute and display density altitude and current wind conditions Calculations are based on current input values St...

Page 169: ...ovide accurate results This feature predicts the availability of fault detection integrity It cannot predict the availability of LPV or L VNAV approaches 4 5 RAIM Prediction Page Use a non GPS based approach when RAIM is not available To determine WAAS availability including for LPV approaches visit the FAA s NOTAM service RAIM Features Automatically monitors RAIM during approach operations and wa...

Page 170: ...he absence of an active flight plan and off route direct to waypoint CHECK RAIM AVAILABILITY 1 Specify a destination waypoint 2 Specify the expected arrival date and time 3 Tap Compute RAIM 4 5 2 RAIM Status Indications Dashes indicate when the destination waypoint is invalid ANNUNCIATION DESCRIPTION Computing Status is pending RAIM Available RAIM is available at the specified waypoint RAIM Unavai...

Page 171: ...er Products 5 8 5 6 Raw Text Reports 5 16 5 7 FIS B Ground Reception Status 5 18 TRAFFIC AWARENESS 5 8 Traffic Applications 5 19 5 9 Traffic Display 5 21 5 10 Traffic Setup 5 25 5 11 Traffic Interactions 5 27 5 12 Traffic Annunciations 5 28 5 13 Traffic Alerting 5 29 TERRAIN AWARENESS 5 14 Terrain Configurations 5 31 5 15 Database Limitations 5 33 5 16 Terrain Display 5 34 5 17 Terrain Setup 5 35 ...

Page 172: ... Awareness Menu selections vary based on features and optional equipment installed with Garmin avionics 1 GPS 175 Feature availability dependent upon unit configuration Requires external ADS B In product GDL 88 GTX 345 and FIS B HAZARD AWARENESS APPS FUNCTIONS ...

Page 173: ...weather data Therefore not all weather data may be immediately present upon initial FIS B signal acquisition 5 1 1 Line of Sight Reception To receive FIS B weather information the aircraft s datalink receiver must be within range and line of sight of an operating ground based transceiver Reception may be affected by altitude terrain and other factors Per the FAA much of the United States has FIS B...

Page 174: ...ntended for the sole purpose of assisting in long near term planning and decision making The system lacks sufficient resolution and updating capability necessary for aerial maneuvering associated with immediate decisions In extreme scenarios the oldest weather radar data on the display can be up to 15 to 20 minutes older than the display s age indication for that weather radar data Therefore do no...

Page 175: ...ent aircraft GPS track Heading Up orients page to current aircraft heading requires heading data source interface 4 Basemap Presents a graphical depiction of land and water data 5 NEXRAD Controls Includes source key and animation control Source options include CONUS Regional or Combined 6 Zoom Scale Value adjusts with changes to the current magnification 7 Product Timestamp Approximate time of dat...

Page 176: ...so provides access to the FIS B Status page where controls for enabling disabling the FIS B function viewing raw text reports and checking ground reception status reside Map WX Overlays Overlay controls reside in the Map setup menu Home Map Menu Select from NEXRAD METAR and TFR To mitigate any possibility of the avionics receiving unexpected data formats in the FIS broadcast you may disable FIS B ...

Page 177: ... When applicable a pop up window displays additional data LEGENDS A scrollable legend provides relevant product colors and symbols Definitions are organized by product function WX Info Banner Banner Information Pan mode symbol Bearing and distance to map pointer from aircraft s current position 1 Tap Menu Legend 2 Use the inner knob to view the available product legends ...

Page 178: ...enu tap FIS B WX Status This page is also accessible from the ADS B Status page FIS B WEATHER PRODUCT WEATHER DISPLAY FIS B WX PAGE WX POP UP TEXT MAP PAGE APT INFO RAW TEXT REPORT AIRMET METAR w Decoding NEXRAD NOTAM D NOTAM FDC PIREP SIGMET TAF Temps Aloft TFR Winds Aloft Product Present View the status of all FIS B weather products States include Unavailable Awaiting Data Data Available ...

Page 179: ...Description Document associated with TSO C157b This information is available electronically at the FAA s Regulatory and Guidance Library https rgl faa gov Yellow Weather product considered stale Its age is older than half its expiration time A weather product may be amber when its issue date and time occurs in the future by more than the complete expiration time for the requested weather product e...

Page 180: ...al NEXRAD are composite reflectivity images The precipitation intensity level reflected by each pixel represents the highest level of composite radar reflectivity data sampled in that location RADAR DATA ANIMATIONS A clear understanding of ground based Doppler weather radar capabilities will allow you to interpret the NEXRAD weather imagery in the safest way possible The National Oceanic and Atmos...

Page 181: ...olution weather image with limited range centered around each broadcasting ground station Pixels are 1 5 min 1 5 nm 2 78 km wide by 1 min 1 nm 1 852 km tall Each weather pixel varies with latitude Above 60º latitude pixel block width doubles to 3 min nm for regional maps Combined Both CONUS and Regional NEXRAD images display simultaneously White hash mark indicates regional boundary CONUS Regional...

Page 182: ...the METAR is decoded and displayed above the original METAR text METARs are provided only in areas covered by the navigation database currently loaded METAR SYMBOLS VFR Ceiling greater than 3000 ft AGL and visibility greater than five miles Marginal VFR Ceiling 1000 to 3000 ft AGL and or visibility three to five miles IFR Ceiling 500 to 1000 ft AGL and or visibility one to three miles Low IFR Ceil...

Page 183: ...light aircraft and VFR pilots Tapping an AIRMET opens a detailed report AIRMET TYPES Icing Areas of moderate airframe icing including areal extent Turbulence Areas of moderate turbulence including vertical extent IFR Weather conditions with ceilings 1 000 ft and or visibility 3 mi MTN OBSR Widespread mountain obscuration due to clouds precipitation smoke haze mist or fog Surface Winds Sustained su...

Page 184: ...ombine in a textual report and display graphically for the observed or forecast region Tapping a SIGMET opens a detailed report 5 5 7 PIREPs PIREPs are pilot generated weather reports that may contain non forecast adverse weather conditions such as low in flight visibility icing conditions wind shear and turbulence PIREP SYMBOLS Routine UA Urgent UUA Route PIREPs are issued as either Routine UA or...

Page 185: ...areas of airspace where aircraft are temporarily restricted from operating They are routinely issued for occurrences such as dignitary visits military activities and forest fires Tapping a TFR displays textual details Not all altitudes provide winds temps aloft forecasts for all regions Indicates wind speed and direction and temperature forecast for the specified altitude Altitude range surface to...

Page 186: ...S B WX Status page 2 Tap Raw Text Reports 3 Select a weather product The latest uploaded data for the product displays on a dedicated page Multiple reporting stations appear in a list Tapping View displays raw text for the corresponding identifier To view information about products not available due to a service outage select Unavailable Products ...

Page 187: ...emperature forecasts are not included for altitudes below 2 500 ft AGL On the raw text report altitude values do not align with the corresponding forecast Match the color of the altitude and forecast to interpret the information Color markings are for reference only ALTITUDE FT 3 000 6 000 9 000 12 000 18 000 24 000 30 000 34 000 39 000 2118 2327 0 2526 02 2628 07 2633 08 2533 29 274245 284756 286...

Page 188: ...itor FIS B ground station transmission status from the FIS B Reception page A current report lists completeness of NOTAM TFR AIRMET and SIGMET data for all received ground stations For the received ground station the station range field indicates complete incomplete status only for those products within the ground station s range 1 Open the FIS B WX Status page 2 Tap Radio Stations ...

Page 189: ...o traffic on ground ADS B In traffic support three applications AIRB Basic Airborne Application ATAS ADS B Traffic Advisory System SURF Surface Situation Awareness ADS B Features Runway and taxiway depiction during SURF mode 2 nm range scale Selectable traffic icons display intruder and vector information Customizable motion vectors type duration AIRB is considered the fundamental airborne traffic...

Page 190: ...lert Unavailable annunciates across the traffic display TRAFFIC APPLICATIONS AIRB ATAS Both active when ADS B is On airborne traffic indications are available ATAS arms to provide airborne alerts Alerts occur when potential collision risks are determined based on current airborne position and trajectory and the position and trajectories of other airborne traffic Airborne traffic alerts only no ale...

Page 191: ...raffic test function is active Fail means that ADS B reports a failure Ground station transmitter status icon SURF means that ground targets displays in addition to airborne targets Altitude filter setting NORM ABV BLW UNR 3 Page Orientation Label Track Up orients page to current aircraft GPS track Heading Up orients page to current aircraft heading requires heading data source interface Collision...

Page 192: ...escending at a vertical speed greater than 500 fpm 7 Selected Vector Type and Duration Types Absolute and Relative For more about motion vectors read section 5 10 1 8 Range Ring Outer ring represents selected range Range options vary according to traffic application 9 Selected Traffic Information Window Next Key Select and view aircraft information for multiple traffic symbols For more about traff...

Page 193: ...nal Basic Off scale Selected Proximate Off scale Selected Directional On Ground Non directional Alerted Non directional On Ground Off scale Non directional Alerted Traffic Proximate Directional On Ground Directional Alerted Traffic Proximate Non directional On Ground Off scale Directional Alerted Traffic Directional Surface Vehicle Non directional Surface Vehicle PARAMETER UNITS Altitude ft Distan...

Page 194: ... appears over the icon when the overlay in on but unavailable Asterisk indicates that the target belongs to a group Relative proximity of the closest target determines color Depiction is of the most immediate threat Off scale out of range traffic alerts are depicted as half yellow symbols on the outermost range ring at the correct bearing This icon appears on Map when the traffic overlay is active...

Page 195: ...ector type Selecting Off removes all motion vectors from the display Options Absolute Relative Off Vector Duration Select the amount of time represented by the endpoint Options range from 30 seconds to 5 minutes A longer duration results in a longer vector Altitude Filter Select filter range Options Normal Above Below Unrestricted Traffic Grouping Show targets in close proximity as a group When ac...

Page 196: ...Traffic page and the traffic overlay on Map MOTION VECTOR TYPES Absolute White vector Depicts intruder ground track Calculations based on intruder direction and ground speed Endpoint depicts intruder s position over the ground at the end of the selected duration Airborne and ground functionality Relative Green vector Depicts intruder movement relative to the ownship Calculations based on track and...

Page 197: ...Selecting a traffic symbol displays information about the aircraft in the upper right corner of the page Selections remain active through altitude filtering zoom scale and page changes Tapping Next repeatedly steps through multiple symbols spaced closely together Selected Traffic Selected Traffic Info Next Key When a traffic alert occurs the Mute Alert option temporarily replaces the Next key ...

Page 198: ...ute and vector time is XX seconds minutes Failed ADS data failure No Data Unit is not receiving valid traffic data No GPS Position ADS B LRU detects that GPS is initializing Relative Motion XX SEC MIN Active motion vector type is relative Relative Motion UNAVAILABLE Aircraft is not airborne and the active motion vector type is relative Unavailable Necessary traffic data not available ...

Page 199: ... TYPE POP UP CONDITION VOICE MESSAGE TRAFFIC Alert Type Caution Pop up Alert Yes Condition Traffic reports a traffic advisory Voice Message Message content depends on current traffic system configuration Traffic Alert Types Textual annunciations at the bottom of the screen Color coded target icons on Traffic page Pop up window when another page is active Traffic alerts occur anytime there is an in...

Page 200: ...peed Closure rate of each aircraft ownship and target Traffic alerting parameters consider several factors in order to allow you enough time to acquire the target and maneuver the aircraft away from conflicting traffic To minimize nuisance alerts traffic alerting sensitivity is adaptive based on altitude above ground level No aural alerts are given below 500 ft ...

Page 201: ...lid terrain obstacle database FEATURE LIMITATIONS Alerting functions are dependent upon the configured terrain alerting options Terrain Alerting functions do not provide aural alerts 5 14 Terrain Configurations Terrain Alerting adds Forward Looking Terrain Alert FLTA and Premature Descent Alert PDA functions These include visual alerts when the aircraft flies below an alerting threshold Available ...

Page 202: ...ometric altitude relative to MSL for use in terrain functions All Terrain page depictions and elevation indications are in GSL Variations between GSL altitude and the aircraft s corrected barometric altitude or indicated altitude are common As a result Terrain page altitude data may differ from current altimeter readings Both GSL altitude and indicated altitude represent height above MSL but diffe...

Page 203: ... sources and cannot independently verify the accuracy and completeness of the information Pilots must familiarize themselves with the appropriate charts and other data for safe flight 1 HOT lines are power lines that share location with other obstacles identified by the FAA DATABASE LIMITATION Terrain Not available north of 89º N latitude and south of 89º S latitude Obstacle Coverage areas vary ac...

Page 204: ...ent aircraft GPS track Heading Up orients page to current aircraft heading requires heading data source interface Heading Up takes priority over Track Up when both orientation inputs are available 5 Legend Shows color designations for terrain and obstacle relative altitude ranges 6 Terrain Overlay Icon Indicates power line or obstacle presence at the current zoom scale Terrain obstacle and wire da...

Page 205: ...s the active flight plan overlay on or off Terrain page only Legend Toggles the Terrain and Obstacle Wire legend on or off In the event an alert occurs the page automatically zooms to provide the best depiction of that alerted terrain obstacle or power line Automatic removal of obstacle and power line data occurs at range scales greater than 10 nm Tap Menu to access pilot selectable settings as we...

Page 206: ...pictions Color shading depicts terrain elevations relative to the aircraft s position and altitude Colors automatically adjust as the aircraft s altitude changes Terrain Proximity Features Non TSO C151c certified terrain display system 2 D graphical representation of surrounding terrain obstacles and power lines relative to aircraft position and altitude Declutter automatically removes obstacle an...

Page 207: ...000 AGL 1000 AGL 1000 AGL Red obstacle is above or within 100 ft below current altitude Yellow obstacle is between 100 ft and 1000 ft below current altitude White obstacle is between 1 000 ft and 2 000 ft below current altitude UNLIGHTED WIND TURBINE OBSTACLE LIGHTED WIND TURBINE OBSTACLE OBSTACLE LOCATION Red obstacle is above or within 100 ft below current altitude Yellow obstacle is between 100...

Page 208: ...d power line is above or within 100 ft below current altitude Yellow power line is between 100 ft and 1 000 ft below current altitude White power line is between 1 000 ft and 2 000 ft below current altitude An asterisk indicates when the obstacle database contains only a single latitude and longitude for a group of obstacles This occurrence is rare ...

Page 209: ...tures Non TSO C151c certified terrain alerting system FLTA functions RTC RLC ROC ITI ILI and IOI Premature Descent alerts Terrain depictions and display overlays Cautions and warnings indicate alert severity and threat type Textual annunciations Pop up alerts Threat location indication on Terrain page and Map Self test and alert inhibit functionality ALERT TYPE CONDITION Imminent Impact 1 Aircraft...

Page 210: ... 2 Alerting Thresholds PDA THRESHOLD FLIGHT PHASE MINIMUM CLEARANCE ALTITUDE LEVEL FLIGHT DESCENDING En Route 700 ft 500 ft Terminal 350 ft 300 ft Approach 150 ft 100 ft Departure 100 ft 100 ft Alerting Area Distance from Destination Airport nm Height Above Terrain ft Runway Threshold ...

Page 211: ...IC INHIBIT Automatically inhibits FLTA alerts when the aircraft meets the following approach criteria Altitude 200 ft above runway elevation Position 0 5 nm off approach end or between each runway end The Terrain Inhibit control is accessible via the terrain pop up alert or Terrain page menu Runway surface and minimum length settings impact the terrain alerting criteria when considering potential ...

Page 212: ...rrupt TER INHB Alert Type Advisory Pop up Alert N A Condition Terrain reports alert inhibit mode active TER N A Alert Type Caution Pop up Alert N A Condition No GPS position Degraded GPS signal Aircraft is outside of the terrain database regional coverage Terrain Alert Types Textual annunciations at the bottom of the screen Color coded graphics on Terrain page and Map Pop up window when another pa...

Page 213: ...m test is in progress OBSTACLE Alert Type Caution Pop up Alert Yes Condition Reduced Obstacle Clearance Imminent Obstacle Impact PULL UP Alert Type Warning Pop up Alert Yes Condition Reduced Required Terrain Clearance Imminent Terrain Impact Reduced Obstacle Clearance Imminent Obstacle Impact Reduced Line Clearance Imminent Line Impact WIRE Alert Type Caution Pop up Alert Yes Condition Reduced Lin...

Page 214: ...5 44 GPS 175 GNX 375 Pilot s Guide 190 02207 02 Rev B INTENTIONALLY LEFT BLANK ...

Page 215: ... Advisories 6 2 6 3 Database Advisories 6 3 6 4 Flight Plan Advisories 6 4 6 5 GPS WAAS Advisories 6 6 6 6 Navigation Advisories 6 8 6 7 Pilot Specified Advisories 6 9 6 8 System Hardware Advisories 6 10 6 9 Terrain Advisories 6 13 6 10 Traffic System Advisories 6 14 6 11 VCALC Advisories 6 17 6 12 Waypoint Advisories 6 17 ...

Page 216: ... less than 10 minutes AIRSPACE ALERT Airspace entry in less than 10 minutes Aircraft is projected to enter the airspace in less than 10 minutes AIRSPACE ALERT Within 4 nm of airspace Airspace is less than 4 nm from the aircraft May not be projected to enter the airspace Most recent advisories appear at the top of list View once advisories remain in queue until viewed by the pilot Persistent or con...

Page 217: ...edures Verify the procedures are correct Verify airways in stored flight plan are correct The stored flight plan contains an airway that is inconsistent with the current navigation database Verify all airways are correct If necessary reload airways to the stored flight plan routes A procedure has been modified in a cataloged flight plan Database update causes flight plan to exceed 100 waypoint lim...

Page 218: ...iew page No action necessary Stored flight plan waypoint is not in current navigation database Current navigation database no longer contains a stored flight plan waypoint Verify all stored cataloged flight plans and procedures Modify stored flight plans as necessary to include waypoints that are in the current navigation database Stored flight plan waypoint has changed location A waypoint in a st...

Page 219: ... G3X Touch but the External FPL Crossfill function is off Enable the External FPL Crossfill function Home System Setup External FPL Crossfill GDU disconnected External flight plan crossfill inoperative Communication with the G3X Touch is lost Verify that the GDU is on Contact dealer for service ADVISORY CONDITION CORRECTIVE ACTION ...

Page 220: ...has a clear view of the sky Use a different GPS receiver or a non GPS based source of navigation Contact dealer for service GPS navigation lost and may have erroneous position Use other navigation source GPS position lost due to erroneous position Use a different GPS receiver or a non GPS based source of navigation Contact dealer for service Abort Approach GPS approach is no longer available GPS a...

Page 221: ...or several weeks No action necessary Low internal GPS clock battery WAAS board indicates that its clock battery is low May experience delay when attempting to acquire GPS position Almanac data may be lost Contact dealer for service GPS receiver needs service WAAS board is reporting that it requires service GPS module may continue to function Use a different GPS receiver or a non GPS based source o...

Page 222: ...gles are referenced to True north ºT The loaded procedure references true north and the active leg has a published true north reference Verify the NAV angle is set to True north Magnetic north approach Verify NAV angles are referenced to Magnetic north The loaded approach is magnetic but the NAV angle reference is not Change NAV angle setting to Magnetic NAV angles are referenced to True north ºT ...

Page 223: ... in location Not all waypoints in the navigation database reference the WGS84 datum For some of these coordinates the reference datum is unknown In such cases the Non WGS84 Waypoint advisory displays Garmin cannot determine the exact proximity of a non compliant waypoint to the WGS84 datum in use by the system Typically the distance is 2 nm Most non WGS84 waypoints are outside of the United States...

Page 224: ...s Unit temperature exceeds the over temperature threshold Backlight dims to reduce power and heat Decrease cabin temperature and increase cabin airflow near the unit If the problem persists contact dealer for service Unit under temp Unit temperature is below the normal operating temperature threshold If the problem persists contact dealer for service Pilot stored data was lost Recheck settings An ...

Page 225: ...ervice Unit needs service Loss of calibration data GPS175 cannot communicate with its configuration module or other hardware GNX 375 experiences a fault related to one of the following ADS B Nav communication Altitude encoder calibration Audio ROM Configuration module Non volatile memory Suppression bus Contact dealer for service Unit SD card is invalid or failed The SD card is unreadable or corru...

Page 226: ...source Heading up map orientation not available Contact dealer for service Pressure altitude source inoperative or connection lost Unit is not receiving pressure altitude data from any source Contact dealer for service Press Enable APR Output before selecting APR on autopilot Approach guidance is available from the connected KAP 140 KFC 225 autopilot Before engaging approach mode on the autopilot ...

Page 227: ...PS 175 configured to receive ADS B In data from GTX 345 Transponder is being forced airborne for ground test Cycle power to the GNX 375 once ground test completes ADS B is not transmitting position For GNX 375 Transponder is not receiving a valid GPS position If the problem persists contact dealer for service Unit demo mode The unit is in demo mode Do not use for navigation Power cycle the unit to...

Page 228: ...der is in the correct mode Contact dealer if message persists ADS B failure Unable to transmit ADS B messages GDL 88 is unable to transmit ADS B messages due to a failure occurring with one of the following GPS position ICAO address verification UAT transmitter UAT broadcast Bottom antenna Bottom and top antenna GDL 88D only Service required Contact dealer for support ADS B fault GDL 88 needs serv...

Page 229: ...tact dealer for support Traffic FIS B functions inoperative ADS B LRU reports a critical fault and is inoperative Communication with the ADS B LRU is lost UAT traffic FIS B receiver fault ADS B LRU unable to receive UAT traffic and FIS B data GDL 88 configuration module needs service GDL 88 cannot communicate with its configuration module ADVISORY CONDITION CORRECTIVE ACTION ...

Page 230: ...n inoperative TSAA application reports it is unavailable to run ADS B traffic function inoperative Unit reports a failure with the ADS B Traffic input Possible causes ADS B ADS R TIS B input fault ADS B In electrical fault All installed traffic applications report as Unavailable to Run or Unavailable Fault Traffic FIS B functions inoperative ADS B In configuration data fault configuration paramete...

Page 231: ...IVE ACTION User waypoint import failed User waypoint import failed due to improper file format Ensure media has the correct file format If the problem persists contact dealer for service User waypoint import failed User waypoint database is full User waypoint catalog is full Import of the requested user waypoints could not complete Delete any unnecessary user waypoints from the catalog and try aga...

Page 232: ...6 18 GPS 175 GNX 375 Pilot s Guide 190 02207 02 Rev B INTENTIONALLY LEFT BLANK ...

Page 233: ...ith the touchscreen Due to differences in finger size and glove size the qualification procedure is specific to the pilot glove combination Multiple units must be evaluated individually GLOVE SELECTION CONSIDERATIONS Thinner gloves perform better than thicker gloves Leather gloves and gloves designed specifically for use with capacitive touchscreen devices are often found to be acceptable To impro...

Page 234: ...tep 3 using a gloved hand 5 For each task determine whether the touchscreen response is the same or worse than without the glove 6 Record the results in the applicable column Items that may cause the operation to be worse include but are not limited to Multiple attempts to select a key Unintentional selection of adjacent key s Excessive force on the touchscreen to select a key 7 If all applicable ...

Page 235: ... Enter Same Worse Return to the Home page Flight Plan Same Worse Add Waypoint Same Worse Type the airport identifier KSLE Same Worse Enter Same Worse Add each of the following waypoints in the same manner KMMV Same Worse KONP Same Worse BTG Same Worse Select BTG Same Worse Load Airway Same Worse V23 Same Worse ALFOR Same Worse Load Same Worse Scroll the list of flight plan waypoints up and down Sa...

Page 236: ... page drag the waypoint list up and down Same Worse With one finger swipe the list up and down Same Worse Back Same Worse Open the Map page Graphically Edit FPL Same Worse Drag KONP to an empty area of the map panning and zooming as necessary Observe that KONP is removed from the flight plan Same Worse Drag the leg between KMMV and BTG to KSPB Observe that KSPB is added to the flight plan Same Wor...

Page 237: ... AGL Above Ground Level AHRS Attitude Heading Reference System AIM Airman s Information Manual AIRB Basic Airborne Application ALT Altitude Hold AP Autopilot ARTCC Air Route Traffic Control Center AR Approval Required ASOS Automated Service Observing System ATAS ADS B Traffic Advisory System ATC Air Traffic Control ATIS Automatic Terminal Information Service ATK Along Track AWOS Automated Weather ...

Page 238: ... Final Approach Fix FDC Flight Data Center FIS B Flight Information Services Broadcast FLTA Forward Looking Terrain Avoidance FMS Flight Management System FPL Flight Plan FPM Feet Per Minute FSS Flight Service Station G GCS Ground Clutter Suppression GDC Garmin Air Data Computer GDL Garmin Data Link GDU Garmin Display Unit GFC Garmin Flight Controller GP Glidepath GPS Global Positioning System GPS...

Page 239: ...h Speed Data Bus I IAF Initial Approach Fix IAS Indicated Airspeed IAT Induction Air Temperature IFR Instrument Flight Rules IGRF International Geomagnetic Reference Field ILI Imminent Line Impact ILS Instrument Landing System INT Intersection IOI Imminent Obstacle Impact ISA International Standard Atmosphere ITI Imminent Terrain Impact K KIAS Knots Indicated Airspeed L LDI Lateral Deviation Indic...

Page 240: ...Negative Climb Rate NDB Non Directional Beacon NEXRAD Next Generation Radar O OAT Outside Air Temperature OBS Omni Bearing Selector OCN Oceanic P PCL Pilot Controlled Lighting PDA Premature Descent Alert PRF Pulse Repetition Frequency PVT Position Velocity and Time R RAIM Receiver Autonomous Integrity Monitoring RF Radius to Fix RLC Reduced Line Clearance RNAV Area Navigation RNP Required Navigati...

Page 241: ...wareness SVID Satellite Vehicle Identification T TA Traffic Advisory TAF Terminal Aerodrome Forecast TAS Traffic Advisory System TAT Total Air Temperature TCAD Traffic Alert and Collision Avoidance Devices TCAS Traffic Alert and Collision Avoidance System TCH Threshold Crossing Height TERM Terminal TFR Temporary Flight Restriction TIS Traffic Information Service TSAA Traffic Situational Awareness ...

Page 242: ...VDI Vertical Deviation Indicator VFR Visual Flight Rules VLOC VOR Localizer VNAV Vertical Navigation VOR Very High Frequency Omni directional Range VPL Vertical Protection Level VRP Visual Reporting Point VS Vertical Speed W WAAS Wide Area Augmentation System WPT Waypoint X XPDR Transponder ...

Page 243: ...190 02207 02 Rev B ...

Page 244: ...190 02207 02 Rev B ...

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