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190-02011-11 Rev. 2 

 

GFC 600 Autopilot Installed in Piper PA-46-310P/350P 

 

 

Page 3 of 46 

Garmin International, Inc 

Log of Revisions 

FAA Approved Airplane Flight Manual Supplement for 

GFC 600 Autopilot 

Installed in Piper PA46-310P/350P 

 

REV 

NO. 

PAGE NO(S) 

DESCRIPTION 

DATE OF 

APPROVAL 

FAA APPROVED 

ALL 

Original Issue 

8/5/2019 

Robert G. Murray 

Garmin ODA STC 

Unit Administrator

 

ALL 

Added PA-46-310P Flap Limitation 

See Cover 

See Cover 

 

 

Summary of Contents for GFC 600

Page 1: ......

Page 2: ...eby grants permission to download a single copy of this manual and of any revision to this manual onto a hard drive or other electronic storage medium to be viewed and to print one copy of this manual...

Page 3: ...of Revisions FAA Approved Airplane Flight Manual Supplement for GFC 600 Autopilot Installed in Piper PA46 310P 350P REV NO PAGE NO S DESCRIPTION DATE OF APPROVAL FAA APPROVED 1 ALL Original Issue 8 5...

Page 4: ...GFC 600 Autopilot Installed in Piper PA 46 310P 350P 190 02011 11 Rev 2 Page 4 of 46 This page intentionally left blank...

Page 5: ...SPEED PROTECTION MAXSPEED 15 UNDERSPEED PROTECTION MINSPEED 15 ENGINE FAILURE 16 Section 3A Abnormal Procedures 17 AUTOPILOT PRE FLIGHT TEST FAIL 17 LOSS OF AIR DATA 17 MANUAL AUTOPILOT DISCONNECT 17...

Page 6: ...GFC 600 Autopilot Installed in Piper PA 46 310P 350P 190 02011 11 Rev 2 Page 6 of 46 This page intentionally left blank...

Page 7: ...persedes or adds to the basic POH AFM only as set forth below Users of the manual are advised to always refer to the supplement for possibly superseding information and placarding applicable to operat...

Page 8: ...n Remote Autopilot Mode Annunciator Panel GMC 605 Autopilot Mode Control Panel GPS Global Positioning System HDG AFCS heading mode HSI Horizontal Situation Indicator ILS Instrument Landing System KIAS...

Page 9: ...ing Capable YES NO Is GPS 1 MapMX data provided to GFC 600 internal attitude source YES NO GPS Navigator 2 Roll Steering Capable YES NO Is 2 GPS navigation interfaced to GFC 600 YES NO Is GPS 2 MapMX...

Page 10: ...Yaw Damper Low Speed Protection Manual Electric Pitch Trim Auto Pitch Trim Overspeed Protection Underspeed Protection Vertical Autopilot Modes Lateral Autopilot Modes Pitch PIT Roll ROL Level Zero ver...

Page 11: ...other operations The GFC 600 autopilot is approved for Category 1 precision approaches and non precision approaches only Maximum fuel imbalance with autopilot engaged is 10 gallons For PA 46 310P s n...

Page 12: ...GFC 600 Autopilot Installed in Piper PA 46 310P 350P 190 02011 11 Rev 2 Page 12 of 46 This page intentionally blank...

Page 13: ...HOLD 3 Aircraft Attitude MAINTAIN REGAIN AIRCRAFT CONTROL NOTE Do not release the AP DISC TRIM INT Button until after pulling the AUTOPILOT circuit breaker Pulling the AUTOPILOT circuit breaker will...

Page 14: ...5 Status message window indicating the automatic flight control system has failed The autopilot cannot be re engaged with this annunciation present ESP ACTIVATION 1 Power AS REQUIRED 2 Aircraft Attitu...

Page 15: ...UNDERSPEED PROTECTION MINSPEED AIRSPEED Aural sounds MINSPEED in Message Window on GMC 605 display 1 Power INCREASE POWER AS REQUIRED TO CORRECT UNDERSPEED 2 Aircraft Attitude and Altitude MONITOR Af...

Page 16: ...DISC TRIM INT Switch PRESS and RELEASE 2 ENGINE INOPERATIVE PROCEDURES in POH AFM COMPLETE appropriate procedures 3 Trim Tabs Manually ADJUST Elevator Aileron and Rudder Trim 4 Autopilot PRESS AP key...

Page 17: ...GMC 605 display If pressure altitude indicated airspeed or true airspeed is invalid or missing AIRDAT FAIL is displayed in the message window This indicates that any mode dependent on air data may not...

Page 18: ...ult to roll mode ROL 1 GMC 605 Mode Panel SELECT HDG mode and SET desired heading 2 NAV Source SELECT a valid nav source 3 GMC 605 Mode Panel SELECT NAV If on an instrument approach at the time the na...

Page 19: ...mistrim The autopilot servo will oppose pilot input and will cause pitch trim to run opposite the direction of pilot input This will lead to a significant out of trim condition resulting in large cont...

Page 20: ...e is displayed high aileron control forces are possible NOTE Observe the 10 gallon maximum fuel imbalance limitation 1 RUDDER TRIM VERIFY slip skid indicator is centered If annunciation remains 2 CONT...

Page 21: ...cted while this message is displayed high rudder pedal forces and yawing motion are possible 1 RUDDER TRIM ADJUST as required to extinguish If annunciation remains 2 RUDDER PEDALS and CONTROL WHEEL HO...

Page 22: ...he problem is resolved The yaw damper if installed will remain operative 1 Control Wheel GRIP FIRMLY 2 AP DISC TRIM INT Button PRESS and RELEASE Be prepared for possible high elevator control forces 3...

Page 23: ...nciator light test during the GFC 600 preflight test All lateral mode annunciations will illuminate amber followed by AP YD TRIM annunciations in amber all vertical mode annunciations illuminated ambe...

Page 24: ...Director On If the flight director is on the autopilot will smoothly pitch and roll the airplane to capture the FD command bars The prior flight director modes remain unchanged Autopilot Disengagement...

Page 25: ...ER ADJUST as required ALTITUDE HOLD ALT MODE 1 When at the desired altitude PRESS the ALT Key The autopilot will hold the altitude at which the ALT key was pressed NOTE If climbing or descending at a...

Page 26: ...s pressed the Flight Director command bars will command go around pitch attitude and wings level The pilot must select the CDI to the appropriate navigation source and select the desired lateral and v...

Page 27: ...t is not set at least 75 FT below the current aircraft altitude the autopilot will not capture the vertical navigation path The autopilot can capture the vertical navigation path from above or below U...

Page 28: ...75 FT below the current aircraft altitude the autopilot will not capture the vertical navigation path The autopilot can capture the vertical navigation path from above or below Under certain display...

Page 29: ...pt Heading ESTABLISH in HDG or ROL mode if required If DG is installed no HSI 3 Desired VOR radial ALIGN aircraft on desired VOR radial 3a HDG Bug on DG SET course 4 GMC 605 NAV key PRESS 5 Bold or su...

Page 30: ...ed track 5 GMC 605 NAV key PRESS 6 Bold or subdued font GPS annunciation VERIFY on GMC 605 NOTE If the Course Deviation Indicator CDI is greater half scale deflection the autopilot will arm the GPS mo...

Page 31: ...If the Course Deviation Indicator CDI is greater than half scale deflection the autopilot will arm the LOC mode The pilot must ensure that the current heading will result in a capture of the selected...

Page 32: ...rence SELECT on GMC 605 If required for GPS approach without vertical guidance 9 Airspeed MAINTAIN 90 KIAS or greater recommended NOTE If the Course Deviation Indicator CDI is greater than half scale...

Page 33: ...nt VAPP annunciation VERIFY on GMC 605 6 Airspeed MAINTAIN 90 KIAS or greater recommended 7 Vertical Mode and Reference SELECT on GMC 605 NOTE If the Course Deviation Indicator CDI is greater than hal...

Page 34: ...the Course Deviation Indicator CDI is greater than half scale deflection the autopilot will arm the BC mode The pilot must ensure that the current heading will result in a capture of the selected cou...

Page 35: ...190 02011 11 Rev 2 GFC 600 Autopilot Installed in Piper PA 46 310P 350P Page 35 of 46 Section 5 Performance No Change...

Page 36: ...GFC 600 Autopilot Installed in Piper PA 46 310P 350P 190 02011 11 Rev 2 Page 36 of 46 This page intentionally blank...

Page 37: ...ot Installed in Piper PA 46 310P 350P Page 37 of 46 Section 6 Weight and Balance No change to loading information Refer to current weight and balance report and equipment list for changes to empty wei...

Page 38: ...GFC 600 Autopilot Installed in Piper PA 46 310P 350P 190 02011 11 Rev 2 Page 38 of 46 This page intentionally blank...

Page 39: ...ch trim capability when the autopilot is not engaged It provides automatic electric pitch trim capability when the autopilot is engaged Internal Attitude Source The GMC 605 contains internal sensors w...

Page 40: ...itch on the pilot s control wheel Actuating either half of the manual electric trim split switch Pushing the AP key on the GMC 605 mode controller when the autopilot is engaged Pulling the AUTOPILOT c...

Page 41: ...VNAV VNV Key VPTH Glidepath APR Key GP Glideslope GS Go Around GA Switch GA 7 Level LVL LVL Key LVL Zero Vertical Speed ESP High Pitch Engagement ESP High Pitch Attitude engages at 20 nose up ESP Low...

Page 42: ...Go Around GA Switch GA Wings Level LVL Level LVL Key LVL Wings Level ESP Roll Attitude Engagement ESP Roll Attitude engages at 45 The CWS Button does not change lateral references for Heading Select...

Page 43: ...C 605 Messages AIL TRM LF Aileron Trim Left Autopilot is holding left wing down roll force Amber AP LED flashes amber for 5 seconds then remains steady amber If installed the GI 285 TRIM indicator ill...

Page 44: ...System has sensed IAS key input for 30 seconds or longer LVL KEY STK Level Mode key stuck System has sensed LVL key input for 30 seconds or longer MAXSPEED Autopilot Overspeed Protection mode is activ...

Page 45: ...as sensed YD key input for 30 seconds or longer Yaw damper is inoperative LED ANNUNCIATOR LIGHTS GMC 605 GI 285 GREEN LED LIGHTS AP Steady Green AP LED Autopilot is engaged and functioning FD Steady G...

Page 46: ...TRIM displayed on the GI 285 accompanied by a GMC 605 P TRIM FAIL message Autopilot and Manual Electric Trim is inoperative Lateral or Vertical Mode GI 285 Abnormal mode transitions will flash yellow...

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