# Mcdonnell Douglas Heli 369FF - Type: Aircraft model (FAA registry) - Registry code: 3027371 - Manufacturer (registry): MCDONNELL DOUGLAS HELI CO - Model: 369FF - 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: 17 - Page: https://openairdocs.org/model/mcdonnell-douglas-heli-369ff 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 2026-21-05](https://openairdocs.org/ad/2026-21-05): Engine/transmission coupling · MD Helicopters 369D, 369E, 369F and 3 more. Effective Nov 27, 2026 - [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 2024-20-07](https://openairdocs.org/ad/2024-20-07): Emergency Equipment; Emergency Flotation Section · Apical Emergency Float Kit, P/N 20498 (STC SR00780LA or 12 others). Effective Dec 5, 2024 - [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 2021-22-11](https://openairdocs.org/ad/2021-22-11): Tail Rotor Control System · MD Helicopters 369D, 369E, 369F and 7 more. Effective Jan 10, 2022 - [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 2020-11-07](https://openairdocs.org/ad/2020-11-07): Main Rotor System · MD Helicopters 369D, 369E, 369FF and 6 more. Effective Jun 30, 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 2013-05-16](https://openairdocs.org/ad/2013-05-16): Tailboom assembly · MD Helicopters 369D, 369E, 369F and 1 more. Effective Apr 30, 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 2005-21-02](https://openairdocs.org/ad/2005-21-02): Main rotor blade (blade) · Main rotor blades P/N 500P2300-501/503/505 (Helicopter Technology STC SR01050LA or 2 others). Effective Nov 1, 2005 - [AD 2002-13-05 R1](https://openairdocs.org/ad/2002-13-05-R1): Tail rotor gearbox · Aerometals tailboom, P/N 369X23500-505, 507 (STC SH5055NM or SH4801NM). Effective Feb 25, 2003 - [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 99-20-12](https://openairdocs.org/ad/99-20-12): Bracket P/N 369F5190-1 · MD Helicopters 369D, 369E, 369FF and 2 more. Effective Nov 4, 1999 - [AD 99-08-07](https://openairdocs.org/ad/99-08-07): Engine Control And Warning System · MD Helicopters 369E, 369FF, 500N and 1 more. Effective Apr 21, 1999 - [AD 99-04-12](https://openairdocs.org/ad/99-04-12): Input Shaft Coupling Assembly · MD Helicopters 369D, 369E, 369FF and 3 more. Effective Mar 23, 1999 - [AD 98-21-12](https://openairdocs.org/ad/98-21-12): Overrunning Clutch Retainer Inspection · MD Helicopters 369D, 369E, 369FF and 1 more. Effective Oct 22, 1998 - [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 98-07-19](https://openairdocs.org/ad/98-07-19): Tail Rotor Control Rod Assembly · MD Helicopters 369F and 369FF. Effective May 7, 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 97-15-08](https://openairdocs.org/ad/97-15-08): Transmission Output Drive Gear · MD Helicopters 369D, 369E, 369F and 2 more. Effective Aug 4, 1997 - [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 96-08-03](https://openairdocs.org/ad/96-08-03): Hardpoint Assemblies · Hardpoints (Flight Trails Helicopters STC SH6080NM). Effective May 20, 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 94-24-04](https://openairdocs.org/ad/94-24-04): Pitch Control Assembly · MD Helicopters 369D, 369E, 369F and 1 more. Effective Dec 13, 1994 - [AD 93-18-05](https://openairdocs.org/ad/93-18-05): Fuel Vent Line · MD Helicopters 369D, 369E, 369F and 2 more. Effective Dec 21, 1993 - [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 90-24-07](https://openairdocs.org/ad/90-24-07): Main Rotor Transmission Bolts · MD Helicopters 369D, 369E, 369F and 1 more. Effective Dec 10, 1990 - [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 89-02-01 R1](https://openairdocs.org/ad/89-02-01-R1): Main Rotor Blade Strap Assemblies · MD Helicopters 369D, 369E, 369F and 1 more. Effective Jul 19, 1990 - [AD 90-12-03](https://openairdocs.org/ad/90-12-03): Tail Rotor Bearing Assembly · MD Helicopters 369D, 369E, 369F and 1 more. Effective Jun 22, 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 88-17-09 R1](https://openairdocs.org/ad/88-17-09-R1): Tail Rotor Transmission · MD Helicopters 369D, 369E, 369F and 1 more. Effective Dec 26, 1989 - [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 87-18-12 R1](https://openairdocs.org/ad/87-18-12-R1): Main Rotor Transmission · MD Helicopters 369D, 369E, 369F and 1 more. Effective Jan 15, 1988 - [AD 87-18-11](https://openairdocs.org/ad/87-18-11): Main Rotor Transmission And Drive Shaft · MD Helicopters 369D, 369E, 369F and 1 more. Effective Sep 1, 1987 - [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 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 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 2003-08-51](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 2002-13-05](https://openairdocs.org/ad/2002-13-05) (historical): Tail rotor gearbox · Modification of tailboom attaching hardware (Aerometals STC SH4801NM or SH5055NM). Effective Aug 1, 2002 - [AD 2000-24-51](https://openairdocs.org/ad/2000-24-51) (historical): Blade Spar · MD Helicopter 369A, 369D, 369E and 6 more ## Information bulletins (advisory) (3) - [SAIB AIR-21-19R1](https://openairdocs.org/saib/AIR-21-19R1): AERIAL TOW EQUIPMENT, Side Pull Hook. Issued Nov 29, 2021 - [SAIB AIR-21-19](https://openairdocs.org/saib/AIR-21-19) (historical): AERIAL TOW EQUIPMENT, Side Pull Hook. Issued Nov 29, 2021 - [SAIB SW-12-45](https://openairdocs.org/saib/SW-12-45): Garmin Model 400W/500W Series GPS-WAAS Navigation System. Issued Oct 3, 2012 ## Registered aircraft (17) - [N199FF](https://openairdocs.org/aircraft/N199FF): [Heavy Lift Helicopters Inc](https://openairdocs.org/faa-owner/HEAVY%20LIFT%20HELICOPTERS%20INC), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno), built 1994, S/N 0099FF - [N20AT](https://openairdocs.org/aircraft/N20AT): [Flight Trails Helicopters Inc](https://openairdocs.org/faa-owner/FLIGHT%20TRAILS%20HELICOPTERS%20INC), [Mesa, AZ](https://openairdocs.org/faa-place/AZ/Mesa), built 1994, S/N 0113FF - [N361SH](https://openairdocs.org/aircraft/N361SH): [Lima Whiskey LLC](https://openairdocs.org/faa-owner/LIMA%20WHISKEY%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 1989, S/N 0058FF - [N424WC](https://openairdocs.org/aircraft/N424WC): [Wilson Construction Co](https://openairdocs.org/faa-owner/WILSON%20CONSTRUCTION%20CO), [Canby, OR](https://openairdocs.org/faa-place/OR/Canby), built 1988, S/N 0606FF - [N530JR](https://openairdocs.org/aircraft/N530JR): [Apex Heli-Support LLC](https://openairdocs.org/faa-owner/APEX%20HELI-SUPPORT%20LLC), [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix), S/N 0711FF - [N530MP](https://openairdocs.org/aircraft/N530MP): [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 1994, S/N 0103FF, Registration pending - [N530RL](https://openairdocs.org/aircraft/N530RL): [Gulf Helicopters LLC](https://openairdocs.org/faa-owner/GULF%20HELICOPTERS%20LLC), [Santa Fe, TX](https://openairdocs.org/faa-place/TX/Santa%20Fe), S/N 0602FF - [N530TH](https://openairdocs.org/aircraft/N530TH): [Heliservice LLC](https://openairdocs.org/faa-owner/HELISERVICE%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1996, S/N 0600FF - [N530X](https://openairdocs.org/aircraft/N530X): [Oxford Police Department](https://openairdocs.org/faa-owner/OXFORD%20POLICE%20DEPARTMENT), [Oxford, AL](https://openairdocs.org/faa-place/AL/Oxford), built 1994, S/N 0112FF - [N531RG](https://openairdocs.org/aircraft/N531RG): [S & S Aviation Services Inc](https://openairdocs.org/faa-owner/S%20%26%20S%20AVIATION%20SERVICES%20INC), [La Crescenta, CA](https://openairdocs.org/faa-place/CA/La%20Crescenta), built 1990, S/N 0080FF - [N532LG](https://openairdocs.org/aircraft/N532LG): [S & S Aviation Services Inc](https://openairdocs.org/faa-owner/S%20%26%20S%20AVIATION%20SERVICES%20INC), [La Crescenta, CA](https://openairdocs.org/faa-place/CA/La%20Crescenta), built 1992, S/N 0092FF - [N67FF](https://openairdocs.org/aircraft/N67FF): [Summit Helicopter Inc](https://openairdocs.org/faa-owner/SUMMIT%20HELICOPTER%20INC), [Pacoima, CA](https://openairdocs.org/faa-place/CA/Pacoima), built 1989, S/N 0067FF - [N73WL](https://openairdocs.org/aircraft/N73WL): [Laroche Aviation Services LLC](https://openairdocs.org/faa-owner/LAROCHE%20AVIATION%20SERVICES%20LLC), [Bellaire, OH](https://openairdocs.org/faa-place/OH/Bellaire), built 1990, S/N 0081FF - [N860MC](https://openairdocs.org/aircraft/N860MC): [Manatee County Mosquito Control District](https://openairdocs.org/faa-owner/MANATEE%20COUNTY%20MOSQUITO%20CONTROL%20DISTRICT), [Ellenton, FL](https://openairdocs.org/faa-place/FL/Ellenton), built 1992, S/N 0086FF - [N900FF](https://openairdocs.org/aircraft/N900FF): [Rmb Helicopters LLC](https://openairdocs.org/faa-owner/RMB%20HELICOPTERS%20LLC), [Newark, DE](https://openairdocs.org/faa-place/DE/Newark), built 1994, S/N 0100FF - [N96KB](https://openairdocs.org/aircraft/N96KB): [Hlh Leasing LLC](https://openairdocs.org/faa-owner/HLH%20LEASING%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1989, S/N 0608FF - [N996RP](https://openairdocs.org/aircraft/N996RP): [International Utility LLC](https://openairdocs.org/faa-owner/INTERNATIONAL%20UTILITY%20LLC), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 1998, S/N 0601FF ## NTSB investigations (11) 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 CEN23LA389](https://openairdocs.org/ntsb/CEN23LA389), Aug 31, 2023: Mcdonnell Douglas Heli 530FF (N530JR), Liberty Hill, TX, substantial damage. Probable cause: The pilot’s improper recovery from a practice autorotation resulting in a hard landing. Contributing to the accident was the instructor’s inadequate supervision of the pilot receiving instruction. - [NTSB WPR21LA185](https://openairdocs.org/ntsb/WPR21LA185), May 6, 2021: Mcdonnell Douglas Heli 369FF (N972BW), Palm Gardens, NV, substantial damage. Probable cause: The pilot’s failure to maintain helicopter control during an encounter with a dust devil shortly after takeoff. - [NTSB GAA18CA378](https://openairdocs.org/ntsb/GAA18CA378), Jun 16, 2018: Mcdonnell Douglas Heli 369 (N900FF), Yabucoa, PR, substantial damage. Probable cause: The pilot's failure to maintain main rotor clearance from a fiber line while picking up a lineman. - [NTSB CEN17FA127](https://openairdocs.org/ntsb/CEN17FA127), Mar 14, 2017: Mcdonnell Douglas Heli 369FF (N530KD), Chalmers, IN, destroyed, 1 fatal. Probable cause: The pilot's failure to ensure that the needle did not entangle with the tower's vertical lattice as he moved the helicopter rearward, which resulted in the helicopter becoming tethered to the tower… - [NTSB WPR14LA008](https://openairdocs.org/ntsb/WPR14LA008), Oct 6, 2013: Mcdonnell Douglas Heli 369 (N530KF), Paducah, TX, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from a power transmission line tower while maneuvering to pick up a rope in gusting wind conditions. - [NTSB CEN12LA667](https://openairdocs.org/ntsb/CEN12LA667), Sep 30, 2012: Mcdonnell Douglas Heli 369FF (N530KD), Decorah, IA, substantial damage. Probable cause: The pilot's failure to properly manage the helicopter's available fuel supply, which led to a total loss of engine power due to fuel exhaustion. Contributing to the accident was the improper… - [NTSB WPR11GA115](https://openairdocs.org/ntsb/WPR11GA115), Jan 31, 2011: Mcdonnell Douglas Heli 369FF (N530RL), Marana, AZ, substantial damage, 1 fatal. Probable cause: An inadvertent tail rotor strike during an attempted pinnacle landing, which resulted in the pilot's loss of control of the helicopter. Inhospitable terrain/topography contributed to the severity of… - [NTSB WPR10FA012](https://openairdocs.org/ntsb/WPR10FA012), Oct 12, 2009: Mcdonnell Douglas Heli 369FF (N527SH), Fossil, OR, substantial damage, 1 fatal. Probable cause: The pilot's failure to maintain clearance from a power pole to which he was connecting wire-pulling ropes. - [NTSB WPR09LA226](https://openairdocs.org/ntsb/WPR09LA226), May 1, 2009: MD Helicopter 369FF (N67FF), Santa Clarita, CA, substantial damage. Probable cause: The pilot's failure to maintain clearance from the water while maneuvering at low altitude as a result of the helicopter's grappling hook temporarily becoming ensnared with an underwater obstruction. - [NTSB LAX04CA268](https://openairdocs.org/ntsb/LAX04CA268), Jul 16, 2004: McDonnell Douglas 369FF (N530RL), Lihue, HI, substantial damage. Probable cause: The pilot misjudging the clearance between the tree and the main rotor blades. Contributing factors to the accident were the high workload of the pilot and his lack of experience with bambi bucket… - [NTSB SEA98FA084](https://openairdocs.org/ntsb/SEA98FA084), Jun 2, 1998: McDonnell Douglas 369FF (N16031), Shoshone, ID, substantial damage, 1 fatal. Probable cause: Failure to maintain clearance from wires. A transmission wire was a factor. ## FAA accident and incident reports (12) 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. - [Incident 20250925015439I](https://openairdocs.org/incident/20250925015439I), Sep 25, 2025: Mcdonnell Douglas Heli Co 369FF (N531RG), Thermal, CA, No damage. After completion of scheduled maintenance, ground runs, test flights and return to service. PIC departed on a cross country flight to loveland, Colorado.… - [Accident 20230831017089A](https://openairdocs.org/incident/20230831017089A), Aug 31, 2023: Mcdonnell Douglas Heli Co 369FF (N530JR), Libery Hill, TX, Substantial damage. Working simulated engine failures at varying altitudes and air speeds. Flying at 100KTS heading 150. Throttle was rolled to idle. Student initiated an… - [Accident 20210506008169A](https://openairdocs.org/incident/20210506008169A), May 6, 2021: Mcdonnell Douglas Heli Co 369FF (N972BW), CA, Destroyed. Shortly after takeoff encounter a dust devil from the right of the aircraft, lost lift, helicopter became incontrollable and experienced hard landing. - [Accident 20180616015519A](https://openairdocs.org/incident/20180616015519A), Jun 16, 2018: Mcdonnell Douglas Heli Co 369FF (N900FF), Yabucoa, PR, Substantial damage. Earlier on this day, 06/16/2018, the pilot had flown a lineman to an electric tower to work on a wire (a fiber line on top of the structure). The fiber line… - [Accident 20170314003049A](https://openairdocs.org/incident/20170314003049A), Mar 14, 2017: Mcdonnell Douglas Heli Co 369FF (N530KD), Chalmers, IN, Destroyed, 1 fatal. On March 14, 2017, at 1546 eastern daylight time, an MD helicopters model 369FF helicopter, registration number N530KD, impacted terrain during a power line… - [Accident 20131006019479A](https://openairdocs.org/incident/20131006019479A), Oct 6, 2013: Mcdonnell Douglas Heli Co 369FF (N530KF), Paducah, TX, Destroyed, 1 fatal. On October 6, 2013, at 1220 l, a MD-369 helicopter bearing registration number N530KF, operated by rogers helicopter, inc hit a powerline pole while conducting… - [Accident 20120930022589A](https://openairdocs.org/incident/20120930022589A), Sep 30, 2012: Mcdonnell Douglas Heli Co 369FF (N530KD), Decorah, IA, Substantial damage. N530KD departed kfod with a destination of kdeh. 58 minutes into the flight the low fuel caution light eluminated, 2-3 minutes later the engine flamed out and… - [Accident 20110131003209A](https://openairdocs.org/incident/20110131003209A), Jan 31, 2011: Mcdonnell D 369FF (N530RL), Avra Valley, AZ, Destroyed, 1 fatal. Aircraft crashed while landing on a pinnacle to drop off personnel to assess site for a new antenna location. Arrived at base of peak of scene of accident and… - [Accident 20091012019499A](https://openairdocs.org/incident/20091012019499A), Oct 12, 2009: Hughes 369FF (N527SH), Fossil, OR, Destroyed, 1 fatal. While pulling powerline leader rope (sock line) from one pole to another power pole, aircraft struck top of pole with main rotor blades. Witness saw helicopter… - [Accident 20090501007159A](https://openairdocs.org/incident/20090501007159A), May 1, 2009: Hughes 369FF (N67FF), Santa Clarita, CA, Substantial damage. (-23) On may 1, 2009, N67FF was hovering ten feet above the bouquet reservoir, with forty feet of long line and a gripeling hook under the water surface. N67FF… - [Accident 20040715013199A](https://openairdocs.org/incident/20040715013199A), Jul 15, 2004: Hughes 369FF (N530RL), Lihue, HI, Substantial damage. (-23) The pilot was dropping approximately the 60th bucket of water on a fire adjacent to the Lihue (lih) airport. As he approached the intended drop point… - [Accident 19980602011749A](https://openairdocs.org/incident/19980602011749A), Jun 2, 1998: Hughes 369FF (N16031), Shoshone, ID, Substantial damage, 1 fatal. Tail rotor contacted power cable while installing cable. Caused dynamic rollover. Fell to ground. (.4)witnesses reported that the helicopter had just released… ## Service difficulty reports (25) As reported by operators and repair stations, by the model named in the report. - [SDR 2024FA0000675](https://openairdocs.org/sdr/2024FA0000675), Aug 29, 2024: BEARING RACE. UNSERVICEABLE. OVERRUNNING CLUTCH INNER RACE PN-369F5455-1 FAILED MD HELICOPTER CSP-COM5 CH 63-10-15 TABLE 502 NDT TESTING. - [SDR 2023FA0000571](https://openairdocs.org/sdr/2023FA0000571), Sep 14, 2023: FUEL CELL. ABNORMAL. PMA REPLACEMENT FUEL CELL IS CAUSING FUEL TO TURN GREEN. FUEL WAS SENT OUT TO A LAB TO BE TESTED AND TESTS WERE INCONCLUSIVE AS TO THE SUBSTANCE BUT IT IS SUSPE - [SDR 2022F00465](https://openairdocs.org/sdr/2022F00465), Nov 2, 2022: HOOK. FAILED. DURING SIDE PULL OPERATIONS, THE SIDE PULL HOOK SHAFT ASSEMBLY SHEARED IN HALF AND DEPARTED THE AIRCRAFT. VISUAL INSPECTIONS INDICATE METALLURGY ISSUES IN THE A - [SDR 2020FA0000167](https://openairdocs.org/sdr/2020FA0000167), Aug 11, 2021: FUEL CELL. LEAKING. LEFT FUEL CELL DEVELOPED LEAK DUE TO RUBBING WITH VERTICAL SUPPORTS AT CENTER BEAM STRUCTURE. INSTALLED ANTI-CHAFF TAPE TO ALL VERTICAL STIFFENERS. REPLACED FUE - [SDR DXMR20200219163](https://openairdocs.org/sdr/DXMR20200219163), Mar 4, 2019: BEARING. SEIZED. DURING EXTREME COLD WEATHER, SWASHPLATE UNIBALL SEIZED ON M/R DRIVESHAFT CAUSING STIFF COLLECTIVE FORCES. - [SDR H44R2016051300001](https://openairdocs.org/sdr/H44R2016051300001), May 11, 2016: COVER PLATE. WORN. DURING REPLACEMENT OF THE OVER RUNNING CLUTCH, A SPECIAL TOOL IS REQUIRED TO TORQUE THE INTERNAL WRENCHED RETENTION NUT INSIDE THE PTO SHAFT OF THE ENGINE. WHEN - [SDR 2016FA0000011](https://openairdocs.org/sdr/2016FA0000011), Dec 30, 2015: ANGLE. CRACKED. THE ANGLE HAS CRACKED ON ALL OF OUR ACFT. THE ANGLE IS RIVETED AND SCREWED INTO PLACE DIRECTLY BEHIND THE LOWER LT ENGINE MOUNT. CAUSE OF THE CRACK IS UNKNOWN, - [SDR H44R2015082700001](https://openairdocs.org/sdr/H44R2015082700001), Aug 21, 2015: FAIRING. FAILED. CUSTOMER BROUGHT ACFT IN FOR ACCOMPLISHMENT OF REPETITIVE SB. DURING ACCOMPLISHMENT OF PRELIMINARY INSPECTION, NOTED ROTOR HUB FAIRING BROKEN OFF. PILOT RECALLE - [SDR DXMR202002190164](https://openairdocs.org/sdr/DXMR202002190164), Apr 29, 2015: SENDING UNIT. INACCURATE. REPLACED FUEL QUANTITY SENDING UNIT, SN 2366 TT THIS UNIT 447.3 HOURS, INSTALLED 31 OCT 2014. SINCE NEW SENDER WAS SHOWING HIGHER FUEL LEVELS THAN AVAILABLE IN - [SDR CA090606001](https://openairdocs.org/sdr/CA090606001), Jun 5, 2009: ELT. CRACKED. (CAN) SENT IN ELT FOR IT`S ANNUAL RECERTIFICATION. REMOVABLE COVER WAS BROKEN OUT AND THE MAIN CASE WAS CRACKED IN SEVERAL LOCATIONS. THIS UNIT HAND NOT BEEN DR - [SDR P4YA2009032500001](https://openairdocs.org/sdr/P4YA2009032500001), Mar 25, 2009: SUPPORT BRACKET. CRACKED. WHILE PERFORMING A FLIGHT CONTROL CHECK, PILOT PUSHED ON BOTH RUDDER PEDALS FIRMLY AND THE PEDAL BRACKET SUPPORT BROKE. - [SDR 2009FA0000022](https://openairdocs.org/sdr/2009FA0000022), Oct 27, 2008: NUT. BACKED OUT. OIL COOLER BLOWER DRIVEN PULLEY RETAINING NUT IS BACKING OFF OF SHAFT DURING NORMAL USE. NUT IS A STAINLESS STEEL, SILVER PLATED, ALL METAL SELF LOCKING TYPE NU - [SDR 2008FA0000741](https://openairdocs.org/sdr/2008FA0000741), Oct 26, 2008: NUT. BACKED OUT. OIL COOLER BLOWER DRIVEN PULLEY RETAINING NUT IS BACKING OFF OF SHAFT DURING NORMAL US. NUT IS A STAINLESS STEEL, SILVER PLATED, ALL METAL SELF LOCKING TYPE NUT - [SDR 2007FA0000630](https://openairdocs.org/sdr/2007FA0000630), May 24, 2007: BLOWER. DAMAGED. OIL COOLER BLOWER APPEARS TO BE FOD`D OUT. ONE BLADE WAS FOUND ENABLED IN THE HOUSING. THE OUT OF BALANCE SITUATION BROKE ALL (4) BEARING CARRIER LEGS. DAMAGED - [SDR FNH2006F00000](https://openairdocs.org/sdr/FNH2006F00000), Nov 3, 2006: GOVERNOR. MALFUNCTIONED. ENGINE GOVERNOR DROPPED TO BETWEEN 90 PERCENT TO 95 PERCENT N2 IN CRUISE FLIGHT, MADE PRECAUTIONARY LANDING ON BEACH. INSPECTED GOVERNOR LINKAGE, AND PNEUMATIC - [SDR 2003FA0001049](https://openairdocs.org/sdr/2003FA0001049), Sep 28, 2003: EXHAUST STACK. CRACKED. THE EXHAUST STACK HAD TO BE REPAIRED SEVERAL TIMES SINCE 400.0 HOURS SINCE NEW. NOW THE AC HAS 1627.3 HOURS TT. SERVICE REPORTS WAS DONE TO MFG SINCE 12-2000. I - [SDR 2003FA0001062](https://openairdocs.org/sdr/2003FA0001062), Sep 24, 2003: EXHAUST STACK. CRACKED. THE EXHAUST STACK HAD TO BE REPAIRED SEVERAL TIMES SINCE 400.0 HOURS SINCE NEW. NOW THE HELICOPTER HAS 1568.2 HOURS TAT. IN 3 OCCASIONS THE MFG SENT THE EXHAUST - [SDR OMNIDMR04](https://openairdocs.org/sdr/OMNIDMR04), Dec 14, 2001: STRUCTURE. CRACKED. HORIZONTAL STABILIZER CRACKED ON TRAILING EDGE ABD TRAIM TAB CRACKED ON LEADING EDGE DUE TO EXCESSIVE FLUTTER. CRACKING IS CONCENTRATED AROUND AREA OF DAMPER WE - [SDR CA010504004](https://openairdocs.org/sdr/CA010504004), Apr 19, 2001: SHAFT. BROKEN. (CAN) - METAL GENERATION, SCHEDULED 100 HOUR INSPECTION.- GEARBOX REMOVED AND SENT FOR REPAIR. - TEARDOWN INSPECTION FOUND THAT THE INPUT GEARSHAFT HAD FAILED I - [SDR 20010511CW007](https://openairdocs.org/sdr/20010511CW007), Apr 19, 2001: GEARBOX. FAILED. UPON SHUT DOWN, THE PILOT AND MECH NOTICE AN ODD NOISE COMING FROM THE TAIR ROTOR ACCOMPANIED BY A SLIGHT VIBRATION. AIRCRAFT WAS DUE FOR A 100 HR INSPECTION, S - [SDR CA010921004](https://openairdocs.org/sdr/CA010921004), Jul 26, 2000: BOLT. BROKEN. (CAN) - TAILROTOR GEARBOX RETENTION HARDWARE, BOLT HEAD FOUND MISSING DURING SCHEDULED MAINTENANCE. - 3 REMAINING BOLTS WERE INSPECTED WITH NO FAILURES FOUND. A - [SDR CA000110001](https://openairdocs.org/sdr/CA000110001), Nov 1, 1999: BEARING. MAKING METAL. (CAN) INPUT ALIGNMENT BEARING MAKING METAL. GEARBOX STRIPPED TO DETERMINE CAUSE OF PROBLEM.(CHIP LLTE IN FLIGHT) - [SDR CA000110003](https://openairdocs.org/sdr/CA000110003), Oct 12, 1999: BEARING. MAKING METAL. (CAN) INPUT ALIGNMENT BEARING MAKING METAL (CHIP LITE IN CRUISE. GEARBOX STRIPPEDTO DETERMINE CAUSE OF METAL GENERATION. - [SDR CA961216004](https://openairdocs.org/sdr/CA961216004), Nov 20, 1996: DRIVESHAFT. TEETH MISSING. (CAN) MAIN DRIVESHAFT INSPECTED DURING 300 HOUR INSPECTION. 7 OUT OF 34 TEETH ON OUTPUT SPLINE TO MAIN TRANSMISSION FOUND CRACKED. - [SDR 95ZZZX3923](https://openairdocs.org/sdr/95ZZZX3923), Jun 30, 1995: WINDOW. DEPARTED. THE SLIDE IN THE PILOT'S WINDOW DEPARTED THE HELICOPTER WHEN THE PILOT TRIED TO CLOSE THE WINDOW IN FORWARD FLIGHT. THE PILOT STATED HE BARELY TOUCHED THE SLIDE ## STCs that may be installed (OpenAirDocs) (203, 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 SA800EA](https://openairdocs.org/stc/SA800EA): Installation of Whelen Anti-Collision, Position, or Anti-Collision/Position Light System, and applicable associated power supplies. Whelen Aerospace Technologies - [STC SR01050LA](https://openairdocs.org/stc/SR01050LA): Installation of main rotor blades P/N 500P2300-501/503/505. Helicopter Technology Company - [STC SR01059LA](https://openairdocs.org/stc/SR01059LA): Installation of right side dual utility mount. Airfilm Camera Systems LLC - [STC SH133WE](https://openairdocs.org/stc/SH133WE): Installation of C-75 cargo rack set. Isolair Inc - [STC SH3686NM](https://openairdocs.org/stc/SH3686NM): Installation of an Isolair Model3700-110 spray tank system. (500N restricted category). Isolair Inc - [STC SR01106DE](https://openairdocs.org/stc/SR01106DE): Installation of Crash Resistant Auxiliary Fuel Tank i. Aerospace Composites Solutions Inc - [STC SR00181IB](https://openairdocs.org/stc/SR00181IB): Installation of alternate Cabin Door Latches to replace OEM door locks. Aerologic 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 SR00068DE](https://openairdocs.org/stc/SR00068DE): Installation of infrared imaging system. Dart Aerospace Company - [STC SH5247NM](https://openairdocs.org/stc/SH5247NM): Installation of external pod, camera mount, and 12 volt power provision. Dart Aerospace USA Inc - [STC SR00146IB](https://openairdocs.org/stc/SR00146IB): nstallation of the Integrated Health and Usage Monitoring System (HUMS). RMCI Canada Inc - [STC SR02120SE](https://openairdocs.org/stc/SR02120SE): Installation of Garmin GTN 6XX/7XX Navigation System. Garmin International Inc - [STC SH2735NM](https://openairdocs.org/stc/SH2735NM): Installation of pneumatic door actuators. Dart Aerospace USA Inc - [STC SR02808LA](https://openairdocs.org/stc/SR02808LA): Installation of MD500 Side Pull Kit. Aerocraft Incorporated - [STC SH5206NM](https://openairdocs.org/stc/SH5206NM): Installation of two underfuselage jacking hard points. Dart Aerospace USA Inc - [STC SR00376DE](https://openairdocs.org/stc/SR00376DE): Installation of laser mapping system. 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 SR00043LA](https://openairdocs.org/stc/SR00043LA): Installation of clip on Main Rotor Swashplate. Pac West Helicopters 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 SR01778SE](https://openairdocs.org/stc/SR01778SE): Installation of Onboard Systems International Cargo Hook Kits and Load Weigh Kit. Onboard Systems International LLC - [STC SH2262NM](https://openairdocs.org/stc/SH2262NM): Installation of a fore-and-aft medical evacuation litter(s) kit. MD Helicopters LLC - [STC SR00902DE](https://openairdocs.org/stc/SR00902DE): Installation of External Equipment Mounts for provisions. MD Helicopters Inc - [STC SR00923DE](https://openairdocs.org/stc/SR00923DE): Installation of Genesys AeroSystems Avionics Display Upgrade. MD Helicopters Inc - [STC SR04680NY](https://openairdocs.org/stc/SR04680NY): Installation of Human External Cargo (HEC) Long-Line Kit. Boost Human External Cargo Systems Inc - [STC SR00314AT](https://openairdocs.org/stc/SR00314AT): Installation of engine firewall in Hughes 369 model helicopter. Thoroughbred Aviation Maintenance Inc - [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 SR02859AT](https://openairdocs.org/stc/SR02859AT): Installation of Part Number 369HT21004 main rotor hub fairing as a direct replacement for OEM Part Number 369D21004-11 (BSC). Thoroughbred Aviation Maintenance Inc - [STC SR04175AT](https://openairdocs.org/stc/SR04175AT): Installation of the HT400 Inspection Panel Kit. Thoroughbred Aviation Maintenance Inc - [STC SR02693LA](https://openairdocs.org/stc/SR02693LA): Installation of a redundant system for the primary Cargo Hook system when conducting Human External Cargo (HEC) external loads operations. Onboard Systems International LLC - [STC SH4908NM](https://openairdocs.org/stc/SH4908NM): Fabrication of Onboard Systems Model 200-034-00, 200-034-01, and 200-034-02 Load Weigh Kits. Onboard Systems International - [STC SR00407SE](https://openairdocs.org/stc/SR00407SE): Fabrication of Onboard Systems Model 200-187-00 cargo hook kit. Onboard Systems International LLC - [STC SR00525SE](https://openairdocs.org/stc/SR00525SE): Fabrication of Onboard Systems Model 200-231-00 and 200-231-01 Cargo Hook Attach Point Kit and installation of these Cargo Hook Attach Point Kits. Onboard Systems International - [STC SR00892SE](https://openairdocs.org/stc/SR00892SE): Fabrication of Onboard Systems International Model 200-264-00, 200-264-01, and 200-264-02 Cargo Hook Kits. Onboard Systems International - [STC SR02001SE](https://openairdocs.org/stc/SR02001SE): Fabrication and installation of Model 72448 locking fuel cover assembly. Timberline Aerospace LLC - [STC SR02713SE](https://openairdocs.org/stc/SR02713SE): Manufacture and Installation of Human External Cargo (HEC) Hook System. Mechanical Specialties Inc - [STC SR02704SE](https://openairdocs.org/stc/SR02704SE): Installation and maintenance of the Sunspot 36 and 46 series lights. AeroLED's Holdings LLC - [STC SR01343NY](https://openairdocs.org/stc/SR01343NY): Installation of main rotor blade tie down tips. VIH Aerospace Inc - [STC SR04539NY](https://openairdocs.org/stc/SR04539NY): Installation of the Human External Cargo (HEC) System. Boost Human External Cargo Systems Inc - [STC SR02622SE](https://openairdocs.org/stc/SR02622SE): Installation of Garmin G500H TXi Display System (Primary Flight Display (PDF), Multi-Function Display (MFD)). Garmin International Inc - [STC SR02712LA](https://openairdocs.org/stc/SR02712LA): Installation of Torque Indicating Systems. Precision Heli-Support LLC - [STC SR02124SE](https://openairdocs.org/stc/SR02124SE): Installation functionality. of Data Garmin Required: transponders: (1) Garmin GTX Master 345/345R Drawing with List ADS-B (MDL), Out and In 005-00734-A4, functionality;. Garmin International Inc - [STC SH656GL](https://openairdocs.org/stc/SH656GL): Installation of auxiliary fuel system. Fargo Manufacturing Co - [STC SH908GL](https://openairdocs.org/stc/SH908GL): Installation of air conditioning system. Fargo Manufacturing Co - [STC SH994GL](https://openairdocs.org/stc/SH994GL): Installation of belly-mounted, cargo carrier. Fargo Manufacturing Co All 203: https://openairdocs.org/model/mcdonnell-douglas-heli-369ff/stcs.md ## PMA parts (OpenAirDocs) (over 1,000, 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. - [PTA369D27502-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172189254920261008195107.0001): Foot Pedal. PT Aerospace LLC · PMA PQ05337NM · Replaces 369D27502-6 · Sep 28, 2026 - [PTA369D27502-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112106115420261008195107.0001): Foot Pedal. PT Aerospace LLC · PMA PQ05337NM · Replaces 369D27502-5 · Sep 28, 2026 - [1001.020.008](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID127944921120261001164956.0001): GPMS Foresight MX Condition Monitoring System. Benz Airborne Systems · PMA PQ0611SW · Replaces 1001.020.008 · Sep 14, 2026 - [369D28631-APX](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137017068520261008195357.0001): Gasket,Exhaust Duct. APEX HELI-SUPPORT LLC · PMA PQ00075WB · Replaces 369D28631 · Sep 11, 2026 - [369A5528-APX](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189070476720260923123829.0001): Bolt. APEX HELI-SUPPORT · PMA PQ00075WB · Replaces 369A5528 · Sep 4, 2026 - [369D25157-APX](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID187302131420260923123829.0001): Shim,Tail Rotor Output. APEX HELI-SUPPORT · PMA PQ00075WB · Replaces 369D25157 · Sep 4, 2026 - [369D25436-APX](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID162408468820261008195342.0001): Input Bearing Shim. APEX HELI-SUPPORT LLC · PMA PQ00075WB · Replaces 369D25436 · Sep 4, 2026 - [369D25155-APX](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID137547262920260923123829.0001): Shim, Output Bearing. APEX HELI-SUPPORT · PMA PQ00075WB · Replaces 369D25155 · Sep 4, 2026 - [369D25155](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194847140320260923124247.0001): Output Bearing Shim. APEX Heli-Support · PMA PQ00075WB · Replaces 369D25155-APX · Jul 30, 2026 - [PTAMHS1551S238](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155861036820260618160551.0001): Special Washer. PT Aerospace LLC · PMA PQ05337NM · Replaces MHS1551S238 · Jun 22, 2026 - [PTA369H7032](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID198880634220260618165644.0001): Cap Ring. PT Aerospace LLC · PMA PQ05337NM · Replaces 369H7032 · May 29, 2026 - [PTA369H7031](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID128542753020260618165643.0001): Cap Ring. PT Aerospace LLC · PMA PQ05337NM · Replaces 369H7031 · May 29, 2026 - [E369D2122 7-11](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121756856420260527183114.0001): Ring, Droop Stop. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 369D21227-11 · May 13, 2026 - [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 - [PTA369D25184-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118581873720260304181416.0001): O-Ring. PT Aerospace LLC · PMA PQ05337NM · Replaces 369D25184-3 · Jan 22, 2026 - [KD651510](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136641814820250624152916.0001): Filter Replacement Kit. Donaldson Company Inc · PMA PQ2432CE · Replaces KD651510 · Jun 2, 2025 - [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 - [PG369-25123](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID190381256620250313100630.0001): Input Gear. PACIFIC GEAR SYSTEMS, INC · PMA PQ5267NM · Replaces 369D25123-11 · Dec 31, 2024 - [PG369-25125](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180496981320250313100630.0001): OutputPinion. PACIFIC GEAR SYSTEMS, INC · PMA PQ5267NM · Replaces 369D25125-11 · Dec 31, 2024 - [PG369-25127](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169644165720250313100630.0001): Output Gear. PACIFIC GEAR SYSTEMS, INC · PMA PQ5267NM · Replaces 369D25127-11 · Dec 31, 2024 - [PG369-25121](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165738612020250313100629.0001): Input Pinion. PACIFIC GEAR SYSTEMS, INC · PMA PQ5267NM · Replaces 369D25121-11 · Dec 31, 2024 - [PTA369D28631](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184857922120250219210644.0001): Exhaust Gasket. PT Aerospace LLC · PMA PQ05337NM · Replaces 369D28631 · Oct 17, 2024 - [M2001-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID112754735620240802183931.0001): Brush, Electrical Contact. Miraj Corporation · PMA PQ0870NE · Replaces 150SG1009-5 · Jun 20, 2024 - [CRAT530F01-101](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181011794020240426135419.0001): Aux Tank Assembly Installation. Aerospace Composites Solutions, Inc. · PMA PQ4120CE · Replaces SR01106DE · Apr 11, 2024 - [AAI- 150SG1070](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184047911720240320173349.0001): Friction Disc. Augusta Aero Innovations LLC · PMA PQ04441CE · Replaces 150SG1070 · Jan 31, 2024 - [N1830-2*](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID145296719720240123183031.0001): NAASCO Carbon Brush. NAASCO Northeast Corp · PMA PQ0961NE · Replaces Lucas (LSI) Carbon Brushes 23081-1802… · Dec 20, 2023 - [TAU03323](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164396667520240221143036.0001): AV/Cabin Heat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · Dec 14, 2023 - [N1834-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161576449820230816180101.0001): Carbon Brush. NAASCO Northeast Corp · PMA PQ0961NE · Replaces SkurkaAerospaceInc.(Aircraft… · Aug 15, 2023 - [HT369-0994](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID194988218320230127192326.0001): Rear Extended Cabin Step. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023 - [369HT21004](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164533126820230127192329.0001): Main Rotor Hub Fairing. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023 - [HT400](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID155644213920230127192330.0001): Inspection Panel Kit. Thoroughbred Aviation Maintenance, Inc. · PMA PQ00013CB · Modification part · Jan 25, 2023 - [HT500-369A3018](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID153474967620230127192324.0001): Engine Firewall. 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 - [LMC-490-015-060-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID193534423420221129145247.0001): Long Line Rope HEC 1/2-Inch Zipper Cover. Lift-It-Manufacturing · PMA PQ00010WB · Replaces 490-015-06 · Oct 12, 2022 - [LMC-490-015-100-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID191391250020221129145248.0001): Long Line Rope HEC 1/2-Inch Zipper Cover. Lift-It-Manufacturing · PMA PQ00010WB · Replaces 490-015-10 · Oct 12, 2022 - [LMC-335-100-03](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181197188220221129145235.0001): Lanyard Staggered Length Zipper Cover Orange 54-Inches. Lift-It-Manufacturing · PMA PQ00010WB · Replaces 490-018-00 · Oct 12, 2022 - [LMC-490-015-050-01](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180347980620221129145246.0001): Long Line Rope HEC 1/2-Inch Zipper Cover. Lift-It-Manufacturing · PMA PQ00010WB · Replaces 490-015-05 · Oct 12, 2022 - [LMC-490-015-060-03](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172790319220221129145303.0001): Long Line Rope HEC 5/8-Inch Zipper Cover. Lift-It-Manufacturing · PMA PQ00010WB · Replaces 490-015-06 · Oct 12, 2022 - [LMC-335-100-02](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166846369120221129145233.0001): Lanyard Equal Length Zipper Cover Orange 60-Inches. Lift-It-Manufacturing · PMA PQ00010WB · Replaces 490-018-00 · Oct 12, 2022 - [LMC-490-015-100-02](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID165582372520221129145256.0001): Long Line Rope HEC 1/2-Inch Zipper Cover. Lift-It-Manufacturing · PMA PQ00010WB · Replaces 490-015-10 · Oct 12, 2022 All of them: https://openairdocs.org/model/mcdonnell-douglas-heli-369ff/pma.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [MD Helicopters 369FF](https://openairdocs.org/model/md-helicopters-369ff): 62 registered aircraft, registry code 3030002 - [MD Helicopters 369FF](https://openairdocs.org/model/md-helicopters-369ff): 32 registered aircraft, registry code 3030015 - [Hughes Helicopters 369FF](https://openairdocs.org/model/hughes-helicopters-369ff): 5 registered aircraft, registry code 4470709 --- 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.