# MD Helicopters 369A - Type: Aircraft model (FAA registry) - Registry code: 3030006 - Manufacturer (registry): MD HELICOPTERS INC - Model: 369A - Aircraft type: Rotorcraft - Category: Rotorcraft - Engines: 1 · Turbo-shaft - Seats: 2 - 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: 1 - Page: https://openairdocs.org/model/md-helicopters-369a 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 (1) - [N101SY](https://openairdocs.org/aircraft/N101SY): built 1970, S/N 201374 ## NTSB investigations None matched to aircraft with this model. ## FAA accident and incident reports None matched to aircraft with this model. ## 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/md-helicopters-369a/stcs.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 - [Hughes 369A (OH-6A)](https://openairdocs.org/model/hughes-369a-oh-6a): 11 registered aircraft, registry code 4470506 - [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 --- OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.