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FAA Approved: Mar 28/19 

 

Jan 15/19 

 

ENSTROM F-28F/280FX OPERATOR’S 

MANUAL 

AND 

FAA APPROVED 

ROTORCRAFT FLIGHT MANUAL 

SUPPLEMENT 

GTX 345 ADS-B TRANSPONDER 

 

* * * * * 

REPORT NO.  28-AC-081 

HELICOPTER SERIAL NO. 

 

 

HELICOPTER REGISTRATION NO.   

 

 

* * * * * 

 

THIS  SUPPLEMENT  MUST  BE  CARRIED  IN  THE 

HELICOPTER AT ALL TIMES IF EQUIPPED WITH THE 
GTX 345 INSTALLATION. CHAPTERS 1, 2, 3, AND 4 ARE 
FAA APPROVED. 

 

FAA APPROVED

     

 

ACTING MANAGER, SOUTHWEST FLIGHT TEST SECTION, 
AIR-713 
FEDERAL AVIATION ADMINISTRATION 
FT. WORTH, TX 

DATE  

 

 

 

THE ENSTROM HELICOPTER CORPORATION 

2209 22

ND

 STREET 

MENOMINEE, MICHIGAN 49858-3515 

 

 

This electronic document is not linked to a subscription for revision control or distribution. Refer to the Optional  

Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website 

for the current revision level of the Rotorcraft Flight Manual Supplement.

UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED

Summary of Contents for GTX 345

Page 1: ... APPROVED FAA APPROVED ACTING MANAGER SOUTHWEST FLIGHT TEST SECTION AIR 713 FEDERAL AVIATION ADMINISTRATION FT WORTH TX DATE THE ENSTROM HELICOPTER CORPORATION 2209 22ND STREET MENOMINEE MICHIGAN 49858 3515 This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Pag...

Page 2: ...inked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 3: ...AIR 713 Federal Aviation Administration Ft Worth TX This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 4: ...c document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 5: ...ther Display 1 2 Placards 1 2 Pilot s Guide 1 2 CHAPTER 2 NORMAL PROCEDURES General 2 1 Before Takeoff 2 1 CHAPTER 3 EMERGENCY PROCEDURES General 3 1 Abnormal Procedures 3 1 CHAPTER 4 PERFORMANCE DATA General 4 1 CHAPTER 6 WEIGHT BALANCE AND LOADING General 6 1 CHAPTER 7 SYSTEM DESCRIPTION AND OPERATION General 7 1 System Description 7 1 Operation 7 3 This electronic document is not linked to a su...

Page 6: ...7 3 7 3 GTX 345 Front Panel 7 5 LIST OF TABLES TABLE NO DESCRIPTION PAGE Intro 1 List of Abbreviations Intro 1 1 1 ADS B Out Required Equipment 1 1 1 2 Software Versions 1 1 7 1 GTX 345 Control Keys and Functions 7 6 This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical S...

Page 7: ... 19 4 1 Jan 15 19 4 2 Jan 15 19 6 1 Jan 15 19 6 2 Jan 15 19 7 1 Jan 15 19 7 2 Jan 15 19 7 3 Jan 15 19 7 4 Jan 15 19 7 5 Jan 15 19 7 6 Jan 15 19 7 7 Jan 15 19 7 8 Jan 15 19 This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website...

Page 8: ...s not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 9: ...iations noted in this supplement are listed in Intro 1 Intro 1 List of Abbreviations ADS B Automatic Dependent Surveillance Broadcast ADS R Automatic Dependent Surveillance Rebroadcast ATC Air Traffic Control CFR Code of Federal Regulations ES Extended Squitter FAA Federal Aviation Administration FIS B Flight Information Service Broadcast GPS Global Positioning System ICS Intercom System MHz Megah...

Page 10: ...nsceiver VOX Voice Transmission This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 11: ...ust utilize the main software version shown in Table 1 2 The software version is displayed on the splash screen during system start up Table 1 2 Software Versions Main SW Version 2 12 ADS B SW Version 2 10 or later FAA approved version 2 Subsequent software versions may support different functions Check the GTX 335 345 Series Pilot s Guide for further information 1 4 Pressure Altitude Broadcast In...

Page 12: ...duct age 1 7 Placards 1 A placard in close proximity to the GTX 345 shall state ADS B IN OUT INSTALLED NOTE The ADS B Out system operates on frequency 1090 MHz This frequency is also accepted for ADS B Out equipment in most countries 1 8 Pilot s Guide The following pilot s guides must be accessible to the crew 1 GTX 335 345 Series Pilot s Guide Part Number 190 01499 00 latest revision 2 GTN series...

Page 13: ...e operational NO 1090ES TX annunciator extinguished before takeoff in certain airspaces after January 1 2020 as specified by 14 CFR 91 225 Requirements outside of the US may vary based on local regulations NOTE The annunciation NO 1090ES TX appears in the lower left corner of the GTX 345 when the ADS B TX is manually turned off or when there is a transmission malfunction NOTE ADS B Out may be requ...

Page 14: ... annunciation Check extinguished This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 15: ... Screen Figure 3 2 shows if both the transponder and ADS B are not transmitting Figure 3 2 ADS B 1090 and Transponder Failed Screen 1 In the event of either a NO 1090ES TX or a TRANSPONDER FAILED annunciation verify valid position with interfaced GPS position sources This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supple...

Page 16: ...c document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 17: ...basic RFM This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 18: ...c document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 19: ...aircraft weight This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 20: ...is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

Page 21: ... attitude data to a PED Altitude deviation alerting Timers count up count down flight trip Outside air temperature display Density and pressure altitude display 7 2 System Description 1 The GTX 345 is located in the lower instrument console as shown in Figure 1 A schematic of interfaced equipment is shown in Figure 7 2 2 Power to the GTX 345 is provided via the XPNDR circuit breaker 3 Amp Power to...

Page 22: ...cks are configured with remote IDENT RMT XPNDR IDENT optional and traffic aural alert cancel TRAFFIC CANCEL switches This electronic document is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Fligh...

Page 23: ... and distance to aircraft In addition to receiving position reports from ADS B out participants TIS B USA only can provide position reports on non ADS B out equipped aircraft if suitable ground equipment and ground radar exist ADS R re transmits ADS B position reports between UAT and 1090 MHz frequency bands CB 3 A XPNDR GTX 345 AOG Collective Switch ANTENNA Altitude Encoder Typically included wit...

Page 24: ... envelope aural traffic alerts are shortened to Traffic There are no traffic alerts when groundspeed is less than 10 knots and within 50 feet of the ground CAUTION Not all traffic is tracked by the GTX The flight crew must use see and avoid procedures to visually acquire and avoid other aircraft Do not rely on the GTX as the sole means of detecting other aircraft c On Scene Mode via the GTN traffi...

Page 25: ...eing received over both ADS B and TAS 7 3 Operation A view of the front panel is shown in Figure 7 3 The control keys and functions are briefly explained in Table 7 1 Figure 7 3 GTX 345 Front Panel 1 Position the AVI MASTER switch to ON to apply system power if not already switched on a Press either the ON SBY or ALT keys to turn on the unit b After power on a start up page is displayed while the ...

Page 26: ... reporting o Transponder replies to identification and altitude interrogations as indicated by the Reply Symbol VFR Changes to the preprogrammed squawk code for VFR o Press the VFR a second time to restore the previous identification code OFF Powers off SBY Powers on or changes into standby mode o Transponder will not reply to any interrogations or transmit ADS B Out o Receives ADS B In informatio...

Page 27: ...entry selections and controls timer start stop and altitude monitoring on off operation 0 7 8 9 0 7 Enters the squawk code o Press the 0 7 keys to enter the code The new code is activated when the fourth digit is entered 8 Enters the number eight in Flight ID or Count Down timer o Press 8 to enter number eight o Press 8 to navigate up and between the functions and settings within a menu group 9 En...

Page 28: ...is not linked to a subscription for revision control or distribution Refer to the Optional Equipment Supplement Publications Status link under the Technical Support Page of the Enstrom Helicopter website for the current revision level of the Rotorcraft Flight Manual Supplement UNCONTROLLED COPY WHEN DOWNOADED OR PRINTED ...

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