# MD Helicopters 369HS - Type: Aircraft model (FAA registry) - Registry code: 3030012 - Manufacturer (registry): MD HELICOPTERS INC - Model: 369HS - 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: 3 - Page: https://openairdocs.org/model/md-helicopters-369hs 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 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 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 93-07-10](https://openairdocs.org/ad/93-07-10): Airspeed Limitations · External cargo container (Gajon Associates STC SH1134EA). Effective Jul 6, 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 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 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 78-26-04](https://openairdocs.org/ad/78-26-04): Tail Rotor Hub Assembly · Schweizer 269A, 269A-1, 269B and 6 more. Effective Dec 27, 1978 - [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 76-19-03](https://openairdocs.org/ad/76-19-03): Damper plunger · MD Helicopters 369H, 369HE, 369HM and 1 more. Effective Sep 24, 1976 - [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 75-06-02](https://openairdocs.org/ad/75-06-02): Cargo Carriers · MD Helicopters 369HE, 369HM and 369HS with STC SH129WE or SH133WE. Effective Mar 28, 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 72-18-04](https://openairdocs.org/ad/72-18-04): VNE Limitations · MD Helicopters 369H, 369HE, 369HM and 1 more. Effective Aug 31, 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 - [AD 69-21-01](https://openairdocs.org/ad/69-21-01): Failure of Input Pinion Shaft · Schweizer 269A, 269A-1, 269B and 4 more 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 (3) - [N119T](https://openairdocs.org/aircraft/N119T): [Taylor Robert T](https://openairdocs.org/faa-owner/TAYLOR%20ROBERT%20T), [Chehalis, WA](https://openairdocs.org/faa-place/WA/Chehalis), built 1976, S/N 760844S - [N369DF](https://openairdocs.org/aircraft/N369DF): [Perry James](https://openairdocs.org/faa-owner/PERRY%20JAMES), [Monroe, WA](https://openairdocs.org/faa-place/WA/Monroe), S/N 820404S - [N509CG](https://openairdocs.org/aircraft/N509CG): [Cgck Holdings LLC](https://openairdocs.org/faa-owner/CGCK%20HOLDINGS%20LLC), [Henderson, NV](https://openairdocs.org/faa-place/NV/Henderson), built 1974, S/N 840634S ## NTSB investigations (2) 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 WPR20LA323](https://openairdocs.org/ntsb/WPR20LA323), Sep 22, 2020: MD Helicopter 369 (N509CG), Chemehuevi Valley, CA, substantial damage. Probable cause: The pilot’s failure to maintain helicopter control during an approach with a gusting variable wind, which resulted in an impact with terrain. - [NTSB WPR19LA097](https://openairdocs.org/ntsb/WPR19LA097), Mar 17, 2019: MD Helicopter 369 (N119T), Newberg, OR, substantial damage. Probable cause: The pilot's improper fuel planning, which resulted in fuel exhaustion and a subsequent total loss of engine power. ## FAA accident and incident reports (2) 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 20200922016829A](https://openairdocs.org/incident/20200922016829A), Sep 22, 2020: Md Helicopters Inc 369HS (N509CG), Needles, CA, Substantial damage. On 09/23/2020 at approximately 1300 hours, N509CG, an MD helicopters 369HS helicopter, departed the lake havasu airport for a familiarization flight in the… - [Accident 20190317001549A](https://openairdocs.org/incident/20190317001549A), Mar 17, 2019: Md Helicopter Inc 369HS (N119T), Newberg, OR, Substantial damage. The PIC stated the low fuel warning light was illuminated prior to takeoff. Approximately six minutes into the accident flight, during straight and level… ## Service difficulty reports (30) As reported by operators and repair stations, by the model named in the report. - [SDR 2025FA0000782](https://openairdocs.org/sdr/2025FA0000782), Nov 25, 2025: FILLER. CORRODED. AIRCRAFT REG: N396HA, AIRCRAFT MSN 1488. BULK CARGO DOOR ENTRANCE CUTOUT LOWER EDGE FILLER FOUND WITH 4 OFF LOCATION CORRODED. MEASURING 30X15MM, 25X10MM,20X20M - [SDR 2011FA0000051](https://openairdocs.org/sdr/2011FA0000051), Oct 1, 2010: SPAR. CRACKED. ON 10/1/10 ACFT EXPERIENCED AN INFLIGHT FAILURE AND SUBSEQUENT SEPARATION OF THE OTBD SECTION OF THE HORIZ STABILIZER DUE TO A CRACK IN THE SPAR AT STA 42.5. TH - [SDR 2010FA0001107](https://openairdocs.org/sdr/2010FA0001107), Sep 24, 2010: SEAL. MISSING. ON 5/7/2010, INSTALLED A NEW ANTI-ICE VALVE PN 23053192 AT ACTT 14805.1. DURING A ROUTINE 100 HR INSP OF THE ACFT ON 9/24/2010 AT ACTT 14904.8. REMOVED AND INSP - [SDR 2010FA0000822](https://openairdocs.org/sdr/2010FA0000822), May 5, 2010: ANTI-ICE VALVE. UNSECURE. THE INSTALLED ANTI-ICE VALVE (PN 23053192AL) POPPET SEAT RETAINING SCREW WAS NOT PROPERLY STAKED DURING THE MFG PROCESS AND AS A RESULT THE SCREW WAS INGESTED I - [SDR CA070201008](https://openairdocs.org/sdr/CA070201008), Jan 27, 2007: FCU. FAILED. (CAN) AFTER THE AIRCRAFT WAS STARTED, THE PILOT DECIDED TO DO A WALK AROUND THE AIRCRAFT. FUEL WAS NOTICED FLOWING FROM THE ENGINE BAY TO THE GROUND. FURTHER IN - [SDR CA020719003](https://openairdocs.org/sdr/CA020719003), Mar 13, 2002: BEARING. FAILED. (CAN) CHIP LIGHT CAME ON AT START UP. ENGINE CHIP PLUGS WERE CLEANED ONLY TO COME ON AGAIN ON THE NEXT START UP. THE ENGINE WAS IMMEDIATELY PULLED AND SENT TO A - [SDR AUS20020115](https://openairdocs.org/sdr/AUS20020115), Jan 18, 2002: BEARING. CRACKED. (AUS) MAIN TRANSMISSION BEARING INNER RACE SPLIT WITH HEAVY BRINNELLING EVIDENT. METAL CONTAMINATION OF TRANSMISSION OIL SYSTEM. - [SDR AUS20011238](https://openairdocs.org/sdr/AUS20011238), Nov 14, 2001: BLADE. FAILED. (AUS) SECOND STAGE COMPRESSOR BLADES (2OFF) FAILED). MAJOR DOWNSTREAM DAMAGE. SEVERAL OTHER SECOND STAGE ROTOR BLADES WERE FOUND TO BECRACKED FROM THE TRAILING - [SDR AUS20010925](https://openairdocs.org/sdr/AUS20010925), Aug 24, 2001: SHAFT. DISTORTED. (AUS) TAIL ROTOR GEARBOX OUTPUT SHAFT BEARINGS BREAKING UP AND SHAFTRUNOUT EXCESSIVE. SHAFT RUNOUT APPROXIMATELY 0.457MM (0.018IN). MAXIMUM RUNOUT 0.0254MM (0.0 - [SDR CA010621026](https://openairdocs.org/sdr/CA010621026), May 24, 2001: PULLEY. FAILED. (CAN) OIL COOLER PULLEY IS MADE UP OF A SPLINE BELT PULLEY WITH A METAL RING THAT IS "STAKED" ONTO THE PULLEY. THE RING WAS FOUND AROUND THE ENGINE OUTPUT DRIVE - [SDR 20000412SH028](https://openairdocs.org/sdr/20000412SH028), Mar 7, 2000: PROBE. DAMAGED. THE NYLON INSERT IN THE TEMPERATURE PROBE LET GO RESULTING IN FLUCTUATION AND DROPPING OIL PRESSURE AND A LOSS OF OIL. THE ENGINE HAD TO BE TORN DOWN FOR INSPEC - [SDR 99ZZZX1473](https://openairdocs.org/sdr/99ZZZX1473), Mar 19, 1999: VALVE. BROKEN. DURING TAKEOFF, ENGINE OIL PRESSURE DROPPED BELOW MINIMUMS. THROTTLE WAS CLOSED AND AIRCRAFT WAS AUTOROTATED. CHECK VALVE NIPPLE HAD SEVERED AT OIL COOLER INLET - [SDR 98ZZZX3339](https://openairdocs.org/sdr/98ZZZX3339), Aug 1, 1998: BLADE. CRACKED. HELICOPTER INBOUND FOR LANDING WHEN PILOT NOTICED VIBRATION, MADE NORMAL LANDING. MAINT EXAM OF ROTOR SYS FOUND YELLOW BLADE CRACKED FROM TRAILING EDGE OF BLADE - [SDR CA980804009](https://openairdocs.org/sdr/CA980804009), Jul 16, 1998: FAN. WRONG PART. (CAN) IN SHOP FOR REPAIR, LEAR SIEGLER STARTER/GENERATOR HAD AN APC FAN P/N 1503G1107 INSTEAD OF THE LEAR SIEGLER FAN P/N 23032-1481. - [SDR 98ZZZX1272](https://openairdocs.org/sdr/98ZZZX1272), Mar 9, 1998: CASE HALF. ERODED. A SLIGHT RUB WAS HEARD IN THE COMPRESSOR WHEN THE N1 WAS ROTATED. UPON CASE HALF REMOVAL FOR INSPECTION, SEVERE VANE EROSION WAS FOUND. THE CHORD OF ONE VANE WA - [SDR 97ZZZX4860](https://openairdocs.org/sdr/97ZZZX4860), Oct 3, 1997: DOOR. DEPARTED. DURING FLIGHT, THE RIGHT MAIN DOOR OPENED, THEN DEPARTED THE AIRCRAFT. THE DOOR HINGES WERE MODIFIED BY THE INSTALLATION OF QUICK REMOVAL DOOR HINGES STC SH2530 - [SDR 97ZZZX3993](https://openairdocs.org/sdr/97ZZZX3993), Aug 20, 1997: BLADE. CRACKED. DURING POST-FLIGHT INSPECTION AFTER APPROXIMATELY A 2-HOUR FLIGHT, PILOT NOTICED PINHOLE IN T/R BLADE LEADING EDGE WITH APPROXIMATELY 1 INCH CRACKS DOWN BOTH SI - [SDR 97ZZZX2835](https://openairdocs.org/sdr/97ZZZX2835), May 2, 1997: BEARING. CRACKED. OVERRUNNING CLUTCH BEARING OUTER RACE IS CRACKED. - [SDR 97ZZZX1669](https://openairdocs.org/sdr/97ZZZX1669), Mar 24, 1997: BEARING. FAILED. TAIL ROTOR PITCH CHANGE LINKS WERE INSTALLED AT 13,300.8 AIRCRAFT HOURS. AT 13,432 AIRCRAFT HOURS, ONE PITCH CHANGE LINK FAILED AT ONE END. THE BEARING APPEARS - [SDR AU970163](https://openairdocs.org/sdr/AU970163), Feb 19, 1997: BLADE. CRACKED. (AUS) TAIL ROTOR BLADE SKIN CRACKED IN AREA JUST INBOARD OF THE LEADING EDGE PROTECTIVE STRIP RUNNING CHORDWISE TOWARDS THE TRAILING EDGE - CRACK LENGTH APPROXI - [SDR AU970120](https://openairdocs.org/sdr/AU970120), Feb 19, 1997: BLADE. CRACKED. (AUS) TAIL ROTOR BLADE SKIN CRACKED IN AREA INBOARD OF THE LEADING EDGE PROTECTION STRIP RUNNING CHORDWISE FROM THE LEADING EDGE TOWARDS THE TRAILING EDGE - CRA - [SDR 97ZZZX200](https://openairdocs.org/sdr/97ZZZX200), Nov 29, 1996: SWASHPLATE. BUSHING DETACHED. VIBRATION FELT THROUGH T/R PEDALS, SPECIFICALLY LEFT PEDALS. UPON INSPECTION, BUSHING AT INBOARD END OF T/R SWASHPLATE T-HEAD HAD COME OUT, SLID INBOARD ON T/R - [SDR 96ZZZX4103](https://openairdocs.org/sdr/96ZZZX4103), Jul 26, 1996: PULLEY ASSY. BOTTOM OUT. ON SOME MAIN ROTOR TRANSMISSION ASSEMBLIES, THE SPLINES ON THE PULLEY ASSEMBLY DRIVER BOTTOM OUT ON THE SPLINES OF THE GEARSHAFT INPUT BEVEL PINION (369A5107-21 - [SDR 96ZZZX3839](https://openairdocs.org/sdr/96ZZZX3839), Jun 11, 1996: LINK ASSY. BUSHING LOOSE. WHILE C/W WITH VISUAL INSPECTION PER AD 93-03-13 (R/D 3-21-95) TWO BLADE ATTACHMENT BUSHINGS WERE FOUND LOOSE IN ONE LEAD/LAG LINK ASSY. M/R HUB TO BE RETURNED - [SDR 96ZZZX3836](https://openairdocs.org/sdr/96ZZZX3836), Jun 10, 1996: PINION SHAFT. WORN. MAIN ROTOR TRANSMISSION LOCKNUT LOST TORQUE AND ALLOWED BEARINGS TO FRET ON SHAFT WEARING THE SHAFT UNDER THE BEARINGS AND ACCESSORY DRIVE GEAR. THIS ALLOWED TH - [SDR AU960192](https://openairdocs.org/sdr/AU960192), Feb 15, 1996: HOUSING. CORRODED. (AUS) STABILIZER STRUT DAMPER SHAFT PULLED FROM FITTING DURING HEAVY VIBRATION FOLLOWING TAIL ROTOR DRIVE SHAFT FAILURE (MDR 96/0191) - FITTING EXHIBITED SIGNS - [SDR AU960191](https://openairdocs.org/sdr/AU960191), Feb 15, 1996: DRIVE SHAFT. SHEARED. (AUS) TAIL ROTOR DRIVE SHAFT SHEARED APPROXIMATELY 457.2MM (18IN) FROM THE FORWARD END - SEVERAL LONGITUDINAL CRACKS WERE EVIDENT IN THEAREA OF THE FAILURE WHEN - [SDR CA960116010](https://openairdocs.org/sdr/CA960116010), Nov 20, 1995: FCU. FAILURE. (CAN)START LAG AT AROUND 28 PERCENT N1 UP TO 38 PERCENT. THEN START RESUMED FOR SECOND PEAK. WOULD NEED HIGH CHARGE BATTERY FOR START-UP. FIRST PEAK 720 DEGREES - [SDR 95ZZZX6348](https://openairdocs.org/sdr/95ZZZX6348), Nov 9, 1995: BOLT. WRONG PART. ACFT WAS IN FOR A 100-HOUR INSP. MECHANIC PERFORMING TAIL ROTOR GEARBOX MOUNT RE-TORQUE, CUT THE SAFETY WIRE AND THE BOLT PULLED OUT. IT WAS ALSO FOUND THAT 2 O - [SDR 95ZZZX1316](https://openairdocs.org/sdr/95ZZZX1316), Jan 30, 1995: STRUT ASSY. CRACKED. AFTER FLIGHT, THE PILOT NOTED THAT THE HELICOPTER WAS SITTING VERY LOW ON THE AFT LEFT SIDE. AN INSPECTION WAS CONDUCTED AND FOUND AFT LEFT LANDING GEAR STRUT A ## STCs that may be installed (OpenAirDocs) (187, 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 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 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 SH2735NM](https://openairdocs.org/stc/SH2735NM): Installation of pneumatic door actuators. Dart Aerospace USA Inc - [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 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 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 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 SR04175AT](https://openairdocs.org/stc/SR04175AT): Installation of the HT400 Inspection Panel Kit. Thoroughbred Aviation Maintenance Inc - [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 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 SR02712LA](https://openairdocs.org/stc/SR02712LA): Installation of Torque Indicating Systems. Precision Heli-Support LLC - [STC SH656GL](https://openairdocs.org/stc/SH656GL): Installation of auxiliary fuel system. Fargo Manufacturing Co - [STC SH698GL](https://openairdocs.org/stc/SH698GL): Installation of belly-mounted cargo carrier. Fargo Manufacturing Co - [STC SH907GL](https://openairdocs.org/stc/SH907GL): Installation of a starter generator cooling system. Fargo Manufacturing Co - [STC SH994GL](https://openairdocs.org/stc/SH994GL): Installation of belly-mounted, cargo carrier. Fargo Manufacturing Co - [STC SR02129CH](https://openairdocs.org/stc/SR02129CH): Installation of Fargo 19-gallon auxiliary fuel tank with STC SH656GL. Fargo Manufacturing Co - [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 SR02451LA](https://openairdocs.org/stc/SR02451LA): Installation of Phoenix Heliparts, Inc. (PHP) Auto-Reignition System in place of the MDHI Auto-Reignition System. Precision Heli-Support, LLC - [STC SR02536LA](https://openairdocs.org/stc/SR02536LA): Installation of TSO articles: Instrument Specialties Company, Inc. Oil Pressure Indicator, Pressure Transducer, and related components in place of the MDHI Oil Pressure Indicator and related system. Precision Heli-Support, LLC - [STC SR02586LA](https://openairdocs.org/stc/SR02586LA): Installation of Freeflight Systems Radar Altimeter RA-4000 or RA-4500 System with optional FTG-410 Tone Generator. Precision Heli-Support, LLC - [STC SR02591LA](https://openairdocs.org/stc/SR02591LA): Installation of software upgrade to existing Garmin GTX330/330D/33H/33DH Transponders for Version 2 ADS-B Out. Precision Heli-Support, LLC - [STC SR01394LA](https://openairdocs.org/stc/SR01394LA): Installation of Aerospace Filtration Systems Inlet Barrier Filter System in lieu of the Engine Air Particle Separator (with or without Mist Eliminator) or FOD Screen. Donaldson Company Inc - [STC SR02487AK](https://openairdocs.org/stc/SR02487AK): Installation of L-3 Communications Avionics Systems ESI-500 Standby Instrument System. ADS-B Technologies, LLC - [STC SH2935SO](https://openairdocs.org/stc/SH2935SO): Installation of an SX-16 Nightsun searchlight on a forward quick mount kit. Bell Helicopter Textron Inc - [STC SH7405SW](https://openairdocs.org/stc/SH7405SW): Installation of a passenger door window. Bell Helicopter Textron Inc - [STC SH4344NM](https://openairdocs.org/stc/SH4344NM): Replace existing fiberglass strut leg fairings with aluminum fairings. Cascade STC LLC All 187: https://openairdocs.org/model/md-helicopters-369hs/stcs.md ## The same model under other registry codes Amateur-built copies and renamed makers get their own codes. - [Hughes 369HS](https://openairdocs.org/model/hughes-369hs): 69 registered aircraft, registry code 4470728 - [Summa 369HS](https://openairdocs.org/model/summa-369hs): 1 registered aircraft, registry code 05617KC --- 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.