# Hughes 369A (OH-6A)

- Type: Aircraft model (FAA registry)
- Registry code: 4470506
- Manufacturer (registry): HUGHES
- Model: 369A (OH-6A)
- Aircraft type: Rotorcraft
- Category: Rotorcraft
- Engines: 1 · Turbo-shaft
- Seats: 4
- Weight class: Up to 12,499 lb
- Certification: Type certificated
- Data sheet: [TCDS H3WE](https://openairdocs.org/tcds/H3WE) (OpenAirDocs)
- Holder: MD Helicopters LLC
- Registered aircraft: 11
- Page: https://openairdocs.org/model/hughes-369a-oh-6a

Model codes come from the FAA registry's reference file. ADs are matched to them by model name and maker.

## ADs that may apply (OpenAirDocs)

Matched to this model by model name and maker. Each AD's applicability may narrow it by serial number, part number or equipment.

- [AD 2026-19-01](https://openairdocs.org/ad/2026-19-01): Rotorcraft flight control · MD Helicopters 369, 369 (Army YOH-6A), 369A and 11 more. Effective Oct 20, 2026
- [AD 2025-17-11](https://openairdocs.org/ad/2025-17-11): tail rotor control system · MD Helicopters 369 (Army YOH-6A), 369A (Army OH-6A), 369D and 9 more. Effective Oct 10, 2025
- [AD 2023-11-07](https://openairdocs.org/ad/2023-11-07): Ground Proximity System · Airbus Helicopters 47, 206, 210 and 237 more. Effective Jun 22, 2023
- [AD 2020-18-20](https://openairdocs.org/ad/2020-18-20): Main Rotor Blade · MD Helicopters 369A, 369D, 369E and 7 more. Effective Oct 28, 2020
- [AD 2019-05-04](https://openairdocs.org/ad/2019-05-04): Main Rotor Blade · MD Helicopters 369A, 369D, 369E and 7 more. Effective Apr 17, 2019
- [AD 2016-05-09](https://openairdocs.org/ad/2016-05-09): Fuel Quantity Indicating System · MD Helicopters 369A, 369D, 369E and 7 more. Effective Apr 15, 2016
- [AD 2016-04-15](https://openairdocs.org/ad/2016-04-15): Main Rotor Blades · MD Helicopters 369A, 369D, 369E and 6 more. Effective Mar 31, 2016
- [AD 2013-19-24](https://openairdocs.org/ad/2013-19-24): Tail Rotor Blades · MD Helicopters 369A, 369D, 369E and 6 more. Effective Dec 5, 2013
- [AD 2008-15-03](https://openairdocs.org/ad/2008-15-03): Tail rotor (T/R) blade abrasion strip · MD Helicopters 369A, 369D, 369E and 6 more. Effective Sep 3, 2008
- [AD 2007-12-23](https://openairdocs.org/ad/2007-12-23): Landing gear fairing support assembly · MD Helicopters 369A, 369D, 369E and 7 more. Effective Jul 19, 2007
- [AD 2007-09-51](https://openairdocs.org/ad/2007-09-51): Tail rotor blade · MD Helicopters 369, 369A, 369D and 7 more. Effective Jul 5, 2007
- [AD 2000-25-52](https://openairdocs.org/ad/2000-25-52): Main rotor blade · MD Helicopters 369A, 369D, 369E and 6 more. Effective Feb 6, 2001
- [AD 98-15-26](https://openairdocs.org/ad/98-15-26): Main Rotor Blade Cracking Inspection · MD Helicopters 369A, 369D, 369E and 8 more. Effective Aug 3, 1998
- [AD 98-09-02](https://openairdocs.org/ad/98-09-02): Overrunning Clutch Assembly Outer Race · MD Helicopters 369, 369A, 369D and 8 more. Effective May 6, 1998
- [AD 96-10-09](https://openairdocs.org/ad/96-10-09): Blade Root End Crack Inspection · MD Helicopters 369, 369A, 369D and 8 more. Effective May 29, 1996
- [AD 95-03-13](https://openairdocs.org/ad/95-03-13): Main Rotor Blade Attach Lugs · MD Helicopters 369, 369A, 369D and 7 more. Effective Mar 21, 1995
- [AD 95-03-11](https://openairdocs.org/ad/95-03-11): Tail Rotor Bade Inspection · MD Helicopters 369, 369A, 369D and 7 more. Effective Mar 1, 1995
- [AD 94-18-08](https://openairdocs.org/ad/94-18-08): Tail Rotor Blade Inspection · MD Helicopters 369, 369A, 369D and 7 more. Effective Jan 13, 1992
- [AD 91-08-02](https://openairdocs.org/ad/91-08-02): Tail Rotor Blades · MD Helicopters 369, 369A, 369D and 7 more. Effective May 3, 1991
- [AD 81-26-01 R1](https://openairdocs.org/ad/81-26-01-R1): Main Rotor Drive Shaft · MD Helicopters 369, 369A, 369D and 7 more. Effective Oct 31, 1990
- [AD 90-19-02](https://openairdocs.org/ad/90-19-02): Clutch Assembly · MD Helicopters 369, 369A, 369D and 7 more. Effective Oct 5, 1990
- [AD 90-01-08](https://openairdocs.org/ad/90-01-08): Driveshaft Coupling · MD Helicopters 369, 369A, 369D and 7 more. Effective Feb 5, 1990
- [AD 89-23-14](https://openairdocs.org/ad/89-23-14): Main Rotor Collective Tubes · MD Helicopters 369, 369A, 369D and 7 more. Effective Dec 4, 1989
- [AD 89-11-05](https://openairdocs.org/ad/89-11-05): Tail Rotor Strap Pack Assemblies · MD Helicopters 369A and 369H. Effective Jun 6, 1989
- [AD 86-20-07](https://openairdocs.org/ad/86-20-07): Tail Rotor Drive Shaft · MD Helicopters 369, 369A, 369D and 5 more. Effective Oct 24, 1986
- [AD 86-01-04](https://openairdocs.org/ad/86-01-04): Tail Rotor Blades · MD Helicopters 369, 369A, 369D and 7 more. Effective Feb 14, 1986
- [AD 84-01-02 R1](https://openairdocs.org/ad/84-01-02-R1): Rotor System Control · MD Helicopters 369, 369A, 369D and 6 more. Effective Apr 9, 1984
- [AD 82-14-01](https://openairdocs.org/ad/82-14-01): With Chadwick C-20 Auxiliary Fuel System · Chadwick C-20 auxiliary fuel system (Phoenix Air-Atlanta STC SH129WE). Effective Jul 30, 1982
- [AD 82-01-08](https://openairdocs.org/ad/82-01-08): Lever Control Rod · MD Helicopters 369, 369A, 369D and 5 more. Effective Jan 7, 1982
- [AD 80-25-01](https://openairdocs.org/ad/80-25-01): Tail Rotor Drive Shaft · MD Helicopters 369, 369A, 369D and 4 more. Effective Dec 4, 1980
- [AD 80-24-04](https://openairdocs.org/ad/80-24-04): Placard -Front Seat Occupancy · MD Helicopters 369, 369A, 369D and 4 more. Effective Dec 4, 1980
- [AD 80-08-04](https://openairdocs.org/ad/80-08-04): Auxiliary Fuel System · Chadwick C-20 auxiliary fuel system (Phoenix Air-Atlanta STC SH129WE or SH139WE). Effective Apr 17, 1980
- [AD 77-21-04](https://openairdocs.org/ad/77-21-04): Clutch and Shaft Assembly · MD Helicopters 369, 369A, 369D and 4 more. Effective Aug 31, 1977
- [AD 75-22-03](https://openairdocs.org/ad/75-22-03): Tail Rotor Drive Shaft · MD Helicopters 369, 369A, 369H and 3 more. Effective Oct 24, 1975
- [AD 75-22-04](https://openairdocs.org/ad/75-22-04): Tail Rotor Blades · MD Helicopters 369, 369A, 369H and 3 more. Effective Oct 23, 1975
- [AD 75-10-04](https://openairdocs.org/ad/75-10-04): Tail Rotor Blades · MD Helicopters 369, 369A, 369H and 3 more. Effective Apr 17, 1975
- [AD 74-20-04](https://openairdocs.org/ad/74-20-04): Main Rotor Blade · MD Helicopters 369, 369A, 369H and 3 more. Effective Sep 25, 1974
- [AD 74-07-02](https://openairdocs.org/ad/74-07-02): Aluminum Tail Rotor Blades · MD Helicopters 369A, 369H, 369HE and 2 more. Effective Mar 26, 1974
- [AD 72-16-09](https://openairdocs.org/ad/72-16-09): Tail rotor input gear shaft assys · MD Helicopters 369A and 369H. Effective Aug 8, 1972
- [AD 70-16-07](https://openairdocs.org/ad/70-16-07): Main Rotor Blade · MD Helicopters 369, 369A, 369H and 3 more. Effective Aug 8, 1970

Historical (superseded or no longer in force):

- [AD 2024-23-06](https://openairdocs.org/ad/2024-23-06) (historical): Rotorcraft Flight Control · MD Helicopters 369, 369A, 369D and 11 more. Effective Dec 24, 2024
- [AD 2021-23-13](https://openairdocs.org/ad/2021-23-13) (historical): Ground Proximity System · Airbus Helicopters K-225, K-190A, K-240 and 237 more. Effective Dec 9, 2021
- [AD 2003-24-01](https://openairdocs.org/ad/2003-24-01) (historical): Main rotor blade (blade) · Replacement main rotor blade (Helicopter Technology STC SR09074RC or 2 others). Effective Dec 10, 2003
- [AD 2003-08-51](https://openairdocs.org/ad/2003-08-51) (historical): Tail rotor blade pitch horn (pitch horn) · MD Helicopter 369A, 369D, 369E and 6 more. Effective Jul 17, 2003
- [AD 2000-24-51](https://openairdocs.org/ad/2000-24-51) (historical): Blade Spar · MD Helicopter 369A, 369D, 369E and 6 more

## Registered aircraft (11)

- [N105UA](https://openairdocs.org/aircraft/N105UA): [Down East Emergency Medicine Institute](https://openairdocs.org/faa-owner/DOWN%20EAST%20EMERGENCY%20MEDICINE%20INSTITUTE), [Orono, ME](https://openairdocs.org/faa-place/ME/Orono), S/N 880723
- [N12964](https://openairdocs.org/aircraft/N12964): [Sunflower Aero Inc](https://openairdocs.org/faa-owner/SUNFLOWER%20AERO%20INC), [Atwood, KS](https://openairdocs.org/faa-place/KS/Atwood), S/N 570049
- [N138SR](https://openairdocs.org/aircraft/N138SR): [Down East Emergency Medicine Institute](https://openairdocs.org/faa-owner/DOWN%20EAST%20EMERGENCY%20MEDICINE%20INSTITUTE), [Orono, ME](https://openairdocs.org/faa-place/ME/Orono), S/N 391106
- [N174EC](https://openairdocs.org/aircraft/N174EC): [Bingham Larry F](https://openairdocs.org/faa-owner/BINGHAM%20LARRY%20F), [Juneau, AK](https://openairdocs.org/faa-place/AK/Juneau), built 1969, S/N 791246
- [N369DR](https://openairdocs.org/aircraft/N369DR): [Reynolds Darryl G](https://openairdocs.org/faa-owner/REYNOLDS%20DARRYL%20G), [Wills Point, TX](https://openairdocs.org/faa-place/TX/Wills%20Point), built 1967, S/N 67-16647
- [N41776](https://openairdocs.org/aircraft/N41776): [Warbirds-3 LLC](https://openairdocs.org/faa-owner/WARBIRDS-3%20LLC), [Kalispell, MT](https://openairdocs.org/faa-place/MT/Kalispell), built 1967, S/N 1080820
- [N58479](https://openairdocs.org/aircraft/N58479): [Usda Aphis Ws Atoc](https://openairdocs.org/faa-owner/USDA%20APHIS%20WS%20ATOC), [Cedar City, UT](https://openairdocs.org/faa-place/UT/Cedar%20City), built 1968, S/N 67-16036
- [N6252F](https://openairdocs.org/aircraft/N6252F): [Roxbury John A Jr](https://openairdocs.org/faa-owner/ROXBURY%20JOHN%20A%20JR), [Princeton, MN](https://openairdocs.org/faa-place/MN/Princeton), built 1968, S/N 980735
- [N665SR](https://openairdocs.org/aircraft/N665SR): [Down East Emergency Medicine Institute](https://openairdocs.org/faa-owner/DOWN%20EAST%20EMERGENCY%20MEDICINE%20INSTITUTE), [Orono, ME](https://openairdocs.org/faa-place/ME/Orono), S/N 1280964
- [N9117H](https://openairdocs.org/aircraft/N9117H): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1969, S/N 791239
- [N911HU](https://openairdocs.org/aircraft/N911HU): [Usda Aphis Ws Atoc](https://openairdocs.org/faa-owner/USDA%20APHIS%20WS%20ATOC), [Cedar City, UT](https://openairdocs.org/faa-place/UT/Cedar%20City), S/N 191001

## NTSB investigations (3)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB ANC09LA110](https://openairdocs.org/ntsb/ANC09LA110), Sep 29, 2009: Hughes 369A (OH-6A) (N501SU), Palmer, AK, substantial damage. Probable cause: A partial loss of engine power after take off for an undetermined reason, which resulted in a hard landing.
- [NTSB IAD01FA066](https://openairdocs.org/ntsb/IAD01FA066), Jun 7, 2001: Hughes 369A (N58963), Perry, WV, destroyed, 1 fatal. Probable cause: The pilot's continued VFR flight into instrument meteorological conditions, and his failure to maintain terrain clearance. A contributing factor was mountainous terrain.
- [NTSB MIA00LA135](https://openairdocs.org/ntsb/MIA00LA135), Apr 16, 2000: Hughes OH-6A (N992CH), Athens, GA, substantial damage. Probable cause: the pilot's failure to maintain control of the helicopter resulting in his misjudging the flare and a subsequent hard landing. Factors in this accident were, the pilot's inadequate planned approach…

## FAA accident and incident reports (3)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 20090928049869A](https://openairdocs.org/incident/20090928049869A), Sep 28, 2009: Hughes 369A (OH-6A (N501SU), Wasilla, AK, Substantial damage. The pilot and owner of the helicopter told investigators that during climb from a hover the aircraft experienced a sudden loss of power at approximately 25…
- [Accident 20010607017799A](https://openairdocs.org/incident/20010607017799A), Jun 7, 2001: Hughes 369A (N58963), Perry, VA, No damage. (-23) Preliminary report. Accident currently under investigation. (-23 amendment): the pilot attempted to continue a VFR flight into IMC. The aircraft struck a…
- [Accident 20000416005069A](https://openairdocs.org/incident/20000416005069A), Apr 16, 2000: Hughes 369A (N992CH), Athens, GA, No damage. (-23) Pilot tucker states that his a/c was the last of three helicopters which were cleared to land as a flight of 3 at the Athens, GA bush field airport. The…

## Service difficulty reports (8)

As reported by operators and repair stations, by the model named in the report.

- [SDR 2011FA0000628](https://openairdocs.org/sdr/2011FA0000628), Sep 22, 2011: DRIVE GEAR. CRACKED. DURING MAGNETIC PARTICLE INSPECTION, A CRACK WAS FOUND ON THE GEAR.
- [SDR CA111226002](https://openairdocs.org/sdr/CA111226002), Jul 22, 2011: ENGINE. POWER LOSS. (CAN) FOLLOWING THE COMPLETION OF A SPRAY RUN, THE ENGINE LOST POWER AND THE PILOT EXECUTED A FORCED LANDING IN A FIELD ADJACENT TO THE ONE HE WAS SPRAYING. THE
- [SDR CA080305017](https://openairdocs.org/sdr/CA080305017), Feb 20, 2008: BRACKET. UNSERVICEABLE. (CAN) ON REMOVAL OF DUAL CONTROLS, A GENERAL INSPECTION OF THE UNDERSEAT AREA REVEALED A CRACK ON THE BEARING CAP OF THE BRACKET ASSEMBLY WHICH IS USED TRANSFER
- [SDR CA080221006](https://openairdocs.org/sdr/CA080221006), Dec 14, 2007: BOLT. CRACKED. (CAN) MAIN ROTOR TRANSMISSION RECEIVED FOR OVERHAUL AFTER NDT INSPECTION 31 OF THE 32 RING GEAR BOLTS P/N 369H5105 WERE FOUND CRACKED UNDER THE BOLT HEADS. (TC 
- [SDR CA070523007](https://openairdocs.org/sdr/CA070523007), May 21, 2007: PIN. BROKEN. (CAN) PIN FOUND BROKEN AT FIRST THREAD / SHANK. NUT WAS CAPTURED IN THE HANDLE CLIP.
- [SDR CA060717006](https://openairdocs.org/sdr/CA060717006), Jul 15, 2006: LOCK. UNSERVICEABLE. (CAN) PILOT NOTICED FEEDBACK THRU CYCLIC CONTROL FROM MAIN ROTOR HEAD. HELICOPTER WAS LANDED AT MAIN BASE AND SERVICEABLE UNLOCK WAS INSTALLED TSO 00.0 AND TEST
- [SDR 2005FA0001337](https://openairdocs.org/sdr/2005FA0001337), Aug 13, 2005: MOTOR. INOPERATIVE. ON APPROACH TO LANDING THE LONG TRIM MOTOR QUIT WORKING. REPLACED UNIT. (K)
- [SDR AU510001641](https://openairdocs.org/sdr/AU510001641), Jul 4, 2005: STROBE. WRONG PART. (AUS) INCORRECT STROBE LIGHT FITTED. THE INCORRECT LIGHT WAS APPROXIMATELY 50MM (1.96IN) HIGHER THAN THE ORIGINAL LIGHT. THIS EXTRA HEIGHT BROUGHT THE LIGHT INT

## STCs that may be installed (OpenAirDocs) (91, first 50)

Approved for this model: the STC's model list names it on its data sheet, or a series that includes it. In force first, then newest. The registry doesn't record which STCs an aircraft has.

- [STC SR01059LA](https://openairdocs.org/stc/SR01059LA): Installation of right side dual utility mount. Airfilm Camera Systems LLC
- [STC SR00709AT](https://openairdocs.org/stc/SR00709AT): Installation of Starter-Generator Cooling Kit. Precision Heli-Support LLC. Lists 369 Series
- [STC SR00771LA](https://openairdocs.org/stc/SR00771LA): Installation of right-side utility mount. Airfilm Camera Systems LLC
- [STC SR00772LA](https://openairdocs.org/stc/SR00772LA): Installation of left-side utility mount. Airfilm Camera Systems LLC
- [STC SR00862LA](https://openairdocs.org/stc/SR00862LA): Installation of aft belly utility mount. Airfilm Camera Systems LLC
- [STC SR04637CH](https://openairdocs.org/stc/SR04637CH): Replacement of existing main ship battery with Lithium Ion Battery and installation of Annunciator Control Panel. Airwolf Aerospace LLC
- [STC SH2735NM](https://openairdocs.org/stc/SH2735NM): Installation of pneumatic door actuators. Dart Aerospace USA Inc
- [STC SR04160CH](https://openairdocs.org/stc/SR04160CH): Installation of Heli-Preheat Kit, p/n TA3089-1 for 115 volt application. HARTZELL PROPELLER INC
- [STC SH3319NM](https://openairdocs.org/stc/SH3319NM): Installation of Precise Flight Pulselite Control Unit in the Landing /Taxi Recognition Visual Control Light system,. Precise Flight Inc
- [STC SR00314AT](https://openairdocs.org/stc/SR00314AT): Installation of engine firewall in Hughes 369 model helicopter. Thoroughbred Aviation Maintenance Inc. Lists 369 Series
- [STC SR00450AT](https://openairdocs.org/stc/SR00450AT): Installation of a seat pan inspection panel. Thoroughbred Aviation Maintenance Inc. Lists 369 Series
- [STC SR00829AT](https://openairdocs.org/stc/SR00829AT): Installation of front extended cabin step. Thoroughbred Aviation Maintenance Inc. Lists 369 Series
- [STC SR01839AT](https://openairdocs.org/stc/SR01839AT): Installation of cyclic friction levers. Thoroughbred Aviation Maintenance Inc
- [STC SR03265AT](https://openairdocs.org/stc/SR03265AT): Modification of engine gearbox breather system by the installation of Heli-Tech "HT800-Engine Gearbox Breather Kit", P/N HT800. Thoroughbred Aviation Maintenance Inc
- [STC SH1152NW](https://openairdocs.org/stc/SH1152NW): Installation of the Automatic Flagman Model 135 Control Stick Grip. Air Products & Parts LLC
- [STC SR02001SE](https://openairdocs.org/stc/SR02001SE): Fabrication and installation of Model 72448 locking fuel cover assembly. Timberline Aerospace LLC
- [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC
- [STC SA615EA](https://openairdocs.org/stc/SA615EA): Installation of a Whelen Anti-Collision Strobe Light System as replacement for originally installed anti-collision lights. Whelen Aerospace Technologies
- [STC SR00359BO](https://openairdocs.org/stc/SR00359BO): Installation of Parmetheus Plus LED PAR36 and PAR46 taxi and landing lights. Whelen Aerospace Technologies
- [STC SH2554NM](https://openairdocs.org/stc/SH2554NM): Installation of Modified front window canopy. The NORDAM Group LLC
- [STC SH8418SW](https://openairdocs.org/stc/SH8418SW): Installation of pop out windows. The NORDAM Group LLC
- [STC SR02058SE](https://openairdocs.org/stc/SR02058SE): Fabrication of Aerometals Fuel Vent Emergency Shutoff Valve Assembly in accordance with Aerometals Master Drawing List No. Aero-MDL-002, Revision A, dated February 24, 2010, or later FAA-approved revision; and installation of this assembly in accordance with Aerometals Installation Instructions No. Aero-Inst-001, Revision NC, dated April 07, 2009, or later FAA-approved revision. Aerometals
- [STC SR02458LA](https://openairdocs.org/stc/SR02458LA): Compressor Plenum Inspection Panel installed. Precision Heli-Support, LLC
- [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC
- [STC SH4344NM](https://openairdocs.org/stc/SH4344NM): Replace existing fiberglass strut leg fairings with aluminum fairings. Cascade STC LLC
- [STC SH4909NM](https://openairdocs.org/stc/SH4909NM): Replace the aft engine compartment heat blanket with a stainless steel firewall. Cascade STC LLC
- [STC SR02394AK](https://openairdocs.org/stc/SR02394AK): Replacement of existing landing and/or hover light bulbs with Light Emitting Diode (LED) lighting system. Seaplanes North LLC
- [STC SR01524SE](https://openairdocs.org/stc/SR01524SE): Fabrication of AMC AM369A3600-603 horizontal stabilizer. Aerometals
- [STC SH7091NM](https://openairdocs.org/stc/SH7091NM): Installation of a Simplex Manufacturing Company Model 8500 agricultural tank sprayer. Simplex Manufacturing Company
- [STC SR02095SE](https://openairdocs.org/stc/SR02095SE): Fabrication of a replacement Aerometals Scavenge Pump Assembly. Aerometals
- [STC SH3756NM](https://openairdocs.org/stc/SH3756NM): Installation of tailboom,. Aerometals
- [STC SR01960LA](https://openairdocs.org/stc/SR01960LA): Installation of removable seat pans. Aerometals
- [STC SH2288NM](https://openairdocs.org/stc/SH2288NM): Installation of Spectrolab SX-16C nightsun searchlight. Gerbino Flight Systems
- [STC SH250WE](https://openairdocs.org/stc/SH250WE): Installation of a P.A. speaker kit. Allen J Gerbino, Gerbino Flight Systems
- [STC SH2530NM](https://openairdocs.org/stc/SH2530NM): Installation of quick removal door hinges. Gerbino Flight Systems
- [STC SH281WE](https://openairdocs.org/stc/SH281WE): Installation of VIP single passenger seats. Gerbino Flight Systems
- [STC SH207WE](https://openairdocs.org/stc/SH207WE): Installation of range extension fuel tank in cargo area. ROBERTSON FUEL SYSTEMS LLC
- [STC SR00103SE](https://openairdocs.org/stc/SR00103SE): Installation of Aviation Development Corporation oil filter. Aviation Development Corporation
- [STC SR01948SE](https://openairdocs.org/stc/SR01948SE): Fabrication and installation of an Right Hand Fuel Tank Filler Assembly. Aerometals
- [STC SR01996SE](https://openairdocs.org/stc/SR01996SE): Fabrication and installation of an oil tank filler cap assembly in the above model rotor craft. Aerometals
- [STC SR01924LA](https://openairdocs.org/stc/SR01924LA): Installation of a Platinum Aviation cockpit pedestal slant panel. Integrated Flight Systems
- [STC SR01675SE](https://openairdocs.org/stc/SR01675SE): Fabrication of AMC Part Number AM369A4516 ( ), N1 Tachometer Indicator and AM369D24518 ( ) N2/NR Tachometer Indicator. Aerometals
- [STC SR01718SE](https://openairdocs.org/stc/SR01718SE): Installation of tail rotor hub assembly. Aerometals
- [STC SR01942SE](https://openairdocs.org/stc/SR01942SE): Fabrication of AMC Tail Rotor Pitch Control Assemblies. Aerometals
- [STC SR09184RC](https://openairdocs.org/stc/SR09184RC): Installation of a replacement main rotor blade, part number 500P2100-301 and 303. Helicopter Technology Co
- [STC SR00062BO](https://openairdocs.org/stc/SR00062BO): Installation of a Pratt & Whitney Engine Services, Inc. Health Usage Monitoring System (HUMS) Model 1122, P/N HUMS-A-070-1. Pratt & Whitney Engine Services Inc
- [STC SR01551SE](https://openairdocs.org/stc/SR01551SE): Fabrication of AMC Part Number AM369A1231 droop stop roller assembly. Aerometals
- [STC SH631NE](https://openairdocs.org/stc/SH631NE): Installation of Fibre Reinforced Plastic Interior Trim Panels and Ducting. Prism Helicopters Ltd
- [STC SR01046AT](https://openairdocs.org/stc/SR01046AT): Installation of Allison Model 250-C10D (T63-A-700) engine. Rick Sweet
- [STC SR01055AT](https://openairdocs.org/stc/SR01055AT): Installation of an Allison Model 250-C20C (T63-A720) engine. Rick Sweet

All 91: https://openairdocs.org/model/hughes-369a-oh-6a/stcs.md

## PMA parts (OpenAirDocs) (373, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this model on its data sheet, so check the FAA record before relying on it. Newest first.

- [AP600UM02-11](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180254682420260508190532.0001): Aft Plate. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-11 · Apr 28, 2026
- [AP600UM02-04](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID179700397020260508190531.0001): Adaptor. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-04 · Apr 28, 2026
- [AP600UM02-09](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID177351588220260508190531.0001): Aft Bracket. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-09 · Apr 28, 2026
- [AP600UM02-02](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID158186472320260508190530.0001): Mount Bracket, Left. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-02 · Apr 28, 2026
- [AP600UM02-08](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID140873988320260508190531.0001): Channel. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-08 · Apr 28, 2026
- [AP600UM02-03](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID139188686020260508190530.0001): Doubler. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-03 · Apr 28, 2026
- [AP600UM02-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID126961058820260508190530.0001): Mount Bracket, Right. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-01 · Apr 28, 2026
- [AP600UM02-05](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID114745498620260508190531.0001): Lateral Brace. AirFilm Camera Systems · PMA PQ2334NM · Replaces AP600UM02-05 · Apr 28, 2026
- [WF336342](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183441687520250602133029.0001): Filter Element, Lube. Donaldson Company Inc · PMA PQ2432CE · Replaces 038088-08, P-1050 · May 23, 2025
- [AP500UM03-RV2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142150914820250508133400.0001): Mount Assembly. AirFilm Camera Systems · PMA PQ2334NM · Modification part · Apr 17, 2025
- [TAU03323](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164396667520240221143036.0001): AV/Cabin Heat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Dec 14, 2023
- [HT500-369A3018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153474967620230127192324.0001): Engine Firewall. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023
- [HT800](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID138835222420230127192329.0001): Engine Gearbox Breather Kit. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023
- [HT369-0794](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121256731720230127192327.0001): Front Extended Cabin Step. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023
- [HT301](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120973253620230127192328.0001): Cyclic Friction Release Levers. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023
- [HT100](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116660875820230127192326.0001): Seat Pan Inspection Panel. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023
- [01-0790906-00](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110984476520220610124314.0001): LED Landing Light. Whelen Aerospace Technologies · PMA PQ1372CE · Modification part · Jun 6, 2022
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110386200520220809130909.0001): Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · May 10, 2022
- [AG844000-23](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150833994720220809102540.0001): Gasket – UHF/VHF Antenna. Aviation Devices & Electronic Components LLC (Av-DEC) · PMA PQ3846SW · Modification part · Apr 18, 2022
- [AG844000-15](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152374703120220408135758.0001): Gasket – UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Feb 8, 2022
- [AG728000-52](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115165560620220408135721.0001): Gasket – Satcom Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 26, 2022
- [AG627000-23](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199531596820220408135657.0001): Gasket – Marker Beacon. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Dec 15, 2021
- [AG627000-12](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149061829720220408140236.0001): Gasket – Marker Beacon Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021
- [AG358000-08](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID124208618720220408135809.0001): Gasket – ELT Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Nov 17, 2021
- [510409](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID496784001320211110110854.0001): 510409 Slant Panel Assembly. RSG Products Inc · PMA PQ03883SW · Modification part · Nov 2, 2021
- [AG477000-16](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID847638121020211110110825.0001): Gasket – GPS/Satcom Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Oct 6, 2021
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID517340684120211110110616.0001): Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Sep 13, 2021
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID702344217202111101105270.0001): Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Aug 12, 2021
- [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175868702720211110110511.0001): Gasket-UHF/VHF. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 9, 2021
- [No part number](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID918285957020210622142456.0001): AeroLEDs LLC · PMA PQ5259NM · Jan 13, 2021
- [AG247000-05](https://drs.faa.gov/browse/excelExternalWindow/A8B3EE75D8E4BBD2862585E5006243CC.0001): Gasket - Security System Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 24, 2020
- [AG843000-19](https://drs.faa.gov/browse/excelExternalWindow/6325AFC5586C8E34862585E500649009.0001): Gasket - VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 24, 2020
- [AG822000-03](https://drs.faa.gov/browse/excelExternalWindow/25D416C8B528F4988625859F003C440E.0001): Gasket - TCAS Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · May 31, 2020
- [AG843000-17](https://drs.faa.gov/browse/excelExternalWindow/44F91AF19B0D8D4586258591003A1785.0001): Gasket - UHF/VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jan 1, 2020
- [AG843000-15](https://drs.faa.gov/browse/excelExternalWindow/445335953945E98886258560003BF2F7.0001): Gasket - VHF Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Aug 18, 2019
- [AG247000-04](https://drs.faa.gov/browse/excelExternalWindow/F4D9B388DAECF53586258553004D4A85.0001): Gasket - L-Band Antenna. Aviation Devices & Electronic Components, LLC · PMA PQ03846SW · Modification part · Jun 25, 2019
- [500D25184-3](https://drs.faa.gov/browse/excelExternalWindow/2408841DD0382CF286258411006ECEB7.0001): Packing, Preformed. SOUTH BAY MANUFACTURING, INC. · PMA PQ2143NM · Replaces 369D25184-3 · Nov 20, 2018
- [500D25184-3](https://drs.faa.gov/browse/excelExternalWindow/0194AD6374B52262862584B700728703.0001): Packing, Preformed. SOUTH BAY MANUFACTURING, INC. · PMA PQ2143NM · Replaces 369D25184-3 · Nov 20, 2018
- [10620HS9-1, 10620HS9-2, 10620HS9-3, 10620HS9-4, 10620HS9-5, 10620HS9-6, 10620HS9-7, 10620HS9-8, 10620HS9-9, 10620HS9-10, 10620HS9-11, 10620HS9-12, 10620HS9-13, 10620HS9-14, 10620HS9-15, 10620HS9-16, 10620HS9-17, 10620HS9-18, 10620HS9-19, 10620HS9-20, 10620HS9-21, 10620HS9-22, 10620HS9-23, 10620HS9-24, 10620HS9-25, 10620HS9-26, 10620HS9-27, 10620HS9-28, 10620HS9-29, 10620HS9-30, 10620HS9-31, 10620HS9-32, 10620HS9-33](https://drs.faa.gov/browse/excelExternalWindow/952AAD173EC3B8DB8625825200659844.0001): P/B Switch. Ducommun Technlogies Inc · PMA PQ1991NM · Replaces 10620HS9-1, 10620HS9-2, 10620HS9-3… · Feb 20, 2018
- [87-05208-001](https://drs.faa.gov/browse/excelExternalWindow/C4B8A8A2B2422B728625822E007853B6.0001): Assembly, Light, PAR 46 Landing. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0790750-20 · Jan 23, 2018
- [87-05207-002](https://drs.faa.gov/browse/excelExternalWindow/4BE4BA39295AB01E862581760058C64D.0001): Assembly, Light, PAR 36 Taxi. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0771833-25 · Aug 1, 2017
- [87-05207-001](https://drs.faa.gov/browse/excelExternalWindow/4ACD6BDF5990D9C7862581760058C571.0001): Assembly, Light, PAR 36 Landing. Astronics Luminescent Systems Inc · PMA PQ0786NE · Replaces 01-0771833-20 · Aug 1, 2017
- [PH36900006](https://drs.faa.gov/browse/excelExternalWindow/8B248519DC41537B862580CE00748D32.0001): Cover, Plenum Inspection Panel. Precision Heli-Support, LLC · PMA PQ05344NM · Modification part · Feb 5, 2017
- [PH36900039](https://drs.faa.gov/browse/excelExternalWindow/671CED057FFAD714862580CE00748D37.0001): External Doubler, Plenum Inspection Panel. Precision Heli-Support, LLC · PMA PQ05344NM · Modification part · Feb 5, 2017
- [PH36900025](https://drs.faa.gov/browse/excelExternalWindow/62B720263368E2FA862580CE00748D36.0001): Seal, Plenum Inspection Panel. Precision Heli-Support, LLC · PMA PQ05344NM · Modification part · Feb 5, 2017
- [PH36900007](https://drs.faa.gov/browse/excelExternalWindow/3858F5C7880C29A2862580CE00748D35.0001): Internal Doubler, Plenum Inspection Panel. Precision Heli-Support, LLC · PMA PQ05344NM · Modification part · Feb 5, 2017
- [CAR-5010-53A](https://drs.faa.gov/browse/excelExternalWindow/FFE449542EE401BD86257FB50052E01B.0001): Lower Fairing. Cascade STC, LLC · PMA PQ5275NM · Modification part · Apr 4, 2016
- [CAR-5010-57](https://drs.faa.gov/browse/excelExternalWindow/F53522F42BDE428486257FB50052DF3B.0001): Lower Fairing. Cascade STC, LLC · PMA PQ5275NM · Modification part · Apr 4, 2016
- [CAR-5010-7](https://drs.faa.gov/browse/excelExternalWindow/E1C5F37BF3C6B58286257FB50052DE9E.0001): Lower Fairing. Cascade STC, LLC · PMA PQ5275NM · Modification part · Apr 4, 2016
- [CAR-5010-2](https://drs.faa.gov/browse/excelExternalWindow/DFDFE1403510799586257FB50052DD23.0001): Mid Fairing. Cascade STC, LLC · PMA PQ5275NM · Modification part · Apr 4, 2016

All of them: https://openairdocs.org/model/hughes-369a-oh-6a/pma.md

## The same model under other registry codes

Amateur-built copies and renamed makers get their own codes.

- [Hughes 369A](https://openairdocs.org/model/hughes-369a): 32 registered aircraft, registry code 4470503
- [MD Helicopters 369A](https://openairdocs.org/model/md-helicopters-369a): 1 registered aircraft, registry code 3030006
- [Hughes/Helicopter Assocs 369A](https://openairdocs.org/model/hughes-helicopter-assocs-369a): 1 registered aircraft, registry code 4470703
- [Hughes/Batto John 369A (OH-6A)](https://openairdocs.org/model/hughes-batto-john-369a-oh-6a): 1 registered aircraft, registry code 4470710
- [Hughes/Asbill 369A (OH-6A)](https://openairdocs.org/model/hughes-asbill-369a-oh-6a): 0 registered aircraft, registry code 4470501
- [Hughes/Dudley K P 369A](https://openairdocs.org/model/hughes-dudley-k-p-369a): 0 registered aircraft, registry code 4470505

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