# Summa 369D

- Type: Aircraft model (FAA registry)
- Registry code: 056266I
- Manufacturer (registry): SUMMA CORP
- Model: 369D
- 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: 4
- Page: https://openairdocs.org/model/summa-369d

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 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 2000-08-22](https://openairdocs.org/ad/2000-08-22): Turbine Outlet Temperature (TOT) Indicating System · MD Helicopters 369D, 369E, 500N and 1 more. Effective May 22, 2000
- [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 99-13-09](https://openairdocs.org/ad/99-13-09): Fork Assembly Inspection · MD Helicopters 369D and 369E. Effective Aug 4, 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 98-09-02](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 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 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 89-20-02](https://openairdocs.org/ad/89-20-02): Tail Rotor Hubs · MD Helicopters 369D and 369E. Effective Oct 16, 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 86-20-07](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 84-12-01 R1](https://openairdocs.org/ad/84-12-01-R1): Approved Rotor Blades · MD Helicopters 369D and 369E. Effective Oct 24, 1984
- [AD 84-11-01](https://openairdocs.org/ad/84-11-01): Control Rod · MD Helicopters 369D and 369E. Effective May 31, 1984

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 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

All 69: https://openairdocs.org/model/summa-369d/ads.md

## 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 (4)

- [N100AT](https://openairdocs.org/aircraft/N100AT): [Western Pacific Fisheries](https://openairdocs.org/faa-owner/WESTERN%20PACIFIC%20FISHERIES), [Hermosa Beach, CA](https://openairdocs.org/faa-place/CA/Hermosa%20Beach), built 1980, S/N 500718D
- [N262WA](https://openairdocs.org/aircraft/N262WA): [Windward Aviation Inc](https://openairdocs.org/faa-owner/WINDWARD%20AVIATION%20INC), [Puunene, HI](https://openairdocs.org/faa-place/HI/Puunene), built 1979, S/N 790554D
- [N711KV](https://openairdocs.org/aircraft/N711KV): [Aa Leasing Lp](https://openairdocs.org/faa-owner/AA%20LEASING%20LP), [Kilauea, HI](https://openairdocs.org/faa-place/HI/Kilauea), built 1977, S/N 1070212D
- [N719KV](https://openairdocs.org/aircraft/N719KV): [Aa Leasing Lp](https://openairdocs.org/faa-owner/AA%20LEASING%20LP), [Kilauea, HI](https://openairdocs.org/faa-place/HI/Kilauea), built 1979, S/N 890579D

## NTSB investigations

None matched to aircraft with this model.

## FAA accident and incident reports (1)

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 20200401002979I](https://openairdocs.org/incident/20200401002979I), Apr 1, 2020: Md MD-369D (N719KV), Lihue, HI, Minor damage. Helicopter landed on a helicopter pad, engine was shut-off and blades slightly rotating when a gust wing came and one blade hit the tail boom. Pilot stopped…

## Service difficulty reports (890, newest 50)

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

- [SDR 3M3A13040017](https://openairdocs.org/sdr/3M3A13040017), Oct 26, 2025: ACTUATOR. MALFUNCTIONED. PILOT REPORTED CYCLIC JERKED LEFT WHILE IN FORWARD FLIGHT AND FELT AS IF TRIM WAS IN FULL LEFT POSITION. UPON INITIAL INSPECTION OF AIRCRAFT PERFORMED A FUNCTIO
- [SDR 2025FA0000153](https://openairdocs.org/sdr/2025FA0000153), Mar 5, 2025: STRUT. BROKEN. LEFT HAND REAR LANDING GEAR STRUT ASSEMBLY BROKEN AT BRACE ASSEMBLY ATTACHMENT BOLT DURING LANDING. OTHER MINOR DAMAGE TO SURROUNDING AREA OCCURRED. TOTAL TIME 
- [SDR 2025FA0000101](https://openairdocs.org/sdr/2025FA0000101), Feb 13, 2025: BULKHEAD. DAMAGED. CRACKS AND BUCKLING FOUND IN BULKHEAD STA 155.75 AND ALONG TAIL BOOM FAIRING AND TURTLE DECK.
- [SDR 2024FA0000309](https://openairdocs.org/sdr/2024FA0000309), Apr 8, 2024: FITTING. WORN. FOUND CENTER BEAM LANDING GEAR FITTING RETAINER BORE WORN OUT OF LIMITS
- [SDR 3M3A202401060001](https://openairdocs.org/sdr/3M3A202401060001), Jan 1, 2024: UNKNOWN. UNKNOWN. ON JANUARY 1ST 2024, N514PA EXPERIENCED AN ENGINE CHIP LIGHT DURING A 135 TOUR FLIGHT. THE PILOT MADE A PRECAUTIONARY LANDING. ALL PASSENGERS WERE REMOVED WITH 
- [SDR 2020FA0000360](https://openairdocs.org/sdr/2020FA0000360), Aug 5, 2020: GEAR. SHEARED. TAIL ROTOR TRANSMISSION P/N 369D25400 SERIAL NUMBER 1539 WAS RECEIVED FOR UNIT MAKING METAL. UPON INSPECTION AND DISASSEMBLY IT WAS NOTED THAT THE 369D25434 INP
- [SDR X2RL2020061800001](https://openairdocs.org/sdr/X2RL2020061800001), Jun 18, 2020: BEARING. SEIZED. PILOT COMPLAINED OF STICKY T/R PEDAL MOVEMENT, FOUND T/R SWASHPLATE PIVOT BEARING SEIZED. REMOVED T/R SWASHPLATE AND SENT IT FOR REPAIR, INSTALLED SERVIVEABLE U
- [SDR X2RA2020061500001](https://openairdocs.org/sdr/X2RA2020061500001), May 5, 2020: BEARING. SEIZED. PILOT NOTICED THE COLLECTIVE MOTION WAS RATCHETY. INSPECTION FOUND THAT THE BEARINGS, SELF-ALIGNING, WERE SEIZED UP SOLID. REPLACEMENT OF THE LINK ASSY CURED TH
- [SDR 2019FA0000298](https://openairdocs.org/sdr/2019FA0000298), Sep 6, 2019: COUPLING. BROKEN. FAILURE OF THE AFT COUPLING. FRACTURE OF COUPLING. SEE ENGINEERED PRODUCTS 8130-3 WORK ORDER # MDI1167 DATED MARCH 20, 2018 FOR PART DETAIL.
- [SDR K2DA2019052800001](https://openairdocs.org/sdr/K2DA2019052800001), Apr 17, 2019: BLEED VALVE. STUCK. PILOT PERFORMED ENGINE POWER ASSURANCE CHECK AT 80% TQ AND 2,000 FT AGL AND REPORTED A +1* ON THE POWER CHECK WHICH WAS A SIGNIFICANT DIFFERENCE IN THE POWER CH
- [SDR CA190326009](https://openairdocs.org/sdr/CA190326009), Mar 26, 2019: COMPRESSOR. FOD. (CAN) THE RENTAL ENGINE RAN HOT FROM THE FIRST DAY I FLEW IT. THE STARTS WHERE VERY SLOW BUT STILL IN PARAMETERS. THE TOT WAS APPROX. 580 DEGREES AT GROUND IDLE
- [SDR CA190507012](https://openairdocs.org/sdr/CA190507012), Mar 18, 2019: STATOR. BROKEN. (CAN) UPON ROUTINE INSPECTION OF COMPRESSOR CASE HALFS (WHILE ENGINE WAS REMOVED FROM AIRFRAME) IT WAS FOUND THAT ONE OF THE 6TH STAGE STATOR BLADES HAD BROKEN 
- [SDR 2019FA0000028](https://openairdocs.org/sdr/2019FA0000028), Jan 29, 2019: UNIBALL. DEFECTIVE. HELICOPTER LEFT A WARM HANGER ON A COLD MORNING , FLEW OUT TO JOBSITE, SAT FOR ABOUT 30 MINS IN 11 DEGREES F WEATHER, AND COLLECTIVE WOULD NOT GO UP FROM BOTTOM
- [SDR MKHR2018091300000](https://openairdocs.org/sdr/MKHR2018091300000), Aug 8, 2018: BOLT. SHEARED. DURING CRUISE FLIGHT THE PILOT EXPERIENCED AN EXCESSIVE TAIL ROTOR VIBRATION. THE PILOT THEN EXECUTED A PRECAUTIONARY LANDING. WHEN CREW ARRIVED TO INVESTIGATE 
- [SDR 2018FA0000463](https://openairdocs.org/sdr/2018FA0000463), Mar 25, 2018: EXHAUST PIPE. CRACKED. EXHAUST PIPE CRACKED ON THE AFT LOWER MOUNT FLANGE ALLOWING AFT MOUNT SADDLE TO SLIDE OUT OF POSITION. CRACK OCCURRED 79.4 FLT HRS FROM NEW.
- [SDR X2RA2018F00000](https://openairdocs.org/sdr/X2RA2018F00000), Dec 14, 2017: FUEL CONTROL. FAILED. PILOT EXPERIENCED DELAYED HOT AND ERRATIC STARTS. FOUND PLAY IN THE POINTER ROD, THIS WOULD AFFECT THE START SCHEDULING. THE SLOP IS WHERE THE POINTER ROD ENGAG
- [SDR K2DA20160707146](https://openairdocs.org/sdr/K2DA20160707146), Jul 4, 2016: BEARING. SPALLED. AIRCRAFT PERFORMED A PRECAUTIONARY LANDING FOR AN ENGINE CHIP LIGHT WHILE CONDUCTING AN AIR TOUR. THERE WERE NO SECONDARY INDICATIONS AND THE AIRCRAFT LANDED SA
- [SDR K2D2016F00002](https://openairdocs.org/sdr/K2D2016F00002), Jun 14, 2016: BEARING. DAMAGED. THE COMPRESSOR WAS REMOVED FROM THE ENGINE GEARBOX AND IT WAS DISCOVERED THAT THE COMPRESSOR SPUR ADAPTER GEARSHAFT JOURNAL HAD A WORN AREA WHERE METAL WAS REMO
- [SDR CA160215013](https://openairdocs.org/sdr/CA160215013), Feb 14, 2016: SUPPORT. BROKEN. (CAN) DURING INSPECTION OF FRONT PEDAL SUPPORT IT WAS NOTED THAT BOTH UPPER TANGS OF THE LEFT PEDAL SUPPORT WERE BROKEN OFF. THERE MAY BE SOME INDICATIONS THAT 
- [SDR CA160120019](https://openairdocs.org/sdr/CA160120019), Jan 18, 2016: ABRASION STRIP. MISSING. (CAN) MAIN ROTOR BLADE ABRASION STRIP SEPARATED FROM BLADE WHILE IN FLIGHT. VIBRATION CAUSED BY IMBALANCED ROTOR DISK REQUIRED RETURN TO BASE. ACFT WAS SHUTDOWN
- [SDR CA160118014](https://openairdocs.org/sdr/CA160118014), Jan 17, 2016: SNAP RING. DAMAGED. (CAN) ENGINE CHIP LIGHT ILLUMINATED DURING FLIGHT. UPON ENGINE DISASSEMBLY DISCOVERED THE SNAP RING THAT HOLDS THE SPUR ADAPTER GEARSHAFT TO THE BACK OF THE COM
- [SDR K2D2016F00000](https://openairdocs.org/sdr/K2D2016F00000), Dec 13, 2015: BLADE. DELAMINATED. ON SUNDAY 12 13 15, A TAIL ROTOR BLADE, PN 500P3100-105, SN C922, 491.6 TSR, WAS FOUND IN A DELAMINATED STATE, DURING A PREFLIGHT INSPECTION. THE LE HAD DELAMIN
- [SDR K2DA2015121501](https://openairdocs.org/sdr/K2DA2015121501), Dec 13, 2015: BLADE. DELAMINATED. DURING PREFLIGHT INSPECTION, FOUND TAIL ROTOR BLADE, PN 500P3100-105, SN C922 LE DELAMINATED FOR APPROX 2 INCHES ON BOTH SIDES OF THE BLADE.
- [SDR CA150917008](https://openairdocs.org/sdr/CA150917008), Sep 17, 2015: BLADE. DEBONDED. (CAN) DURING SCHEDULED INSPECTION THE L/E EROSION STRIP WAS FOUND DEBONDED DURING CLEANING PRIOR TO INSPECTION, AS IT CRINKLED WITH FINGER PRESSURE.
- [SDR CA150812006](https://openairdocs.org/sdr/CA150812006), Aug 12, 2015: CHIP DETECTOR. FAILED. (CAN) DURING SCHEDULED INSPECTION CHIP DETECTOR PLUG, P/N 23088398, WAS FOUND TO HAVE NO MAGNETIC PROPERTIES. THERE ARE NO INSTRUCTIONS FOR CONTINUED AIRWORTHIN
- [SDR CA150812005](https://openairdocs.org/sdr/CA150812005), Aug 11, 2015: BRACKET. CRACKED. (CAN) STROBE BRACKET CRACKING AT JUST AFT OF MOUNTING POINT. IF IT DEPARTED THE AIRCRAFT THE STOBE ASSY WOULD GO INTO THE TAIL ROTOR.
- [SDR MKHA20150507001](https://openairdocs.org/sdr/MKHA20150507001), May 1, 2015: TAIL ROTOR. BROKEN. DURING A FLIGHT THE PILOT EXPERIENCED EXCESSIVE VIBRATION. THE PILOT MADE A PRECAUTIONARY LANDING & NOTIFIED MX. MX DISCOVERED THE PITCH HORN ON THE OTBD TAIL R
- [SDR CA150331007](https://openairdocs.org/sdr/CA150331007), Mar 27, 2015: BLADE. DAMAGED. (CAN) DURING REGULAR 100HR INSPECTION, TAP TEST OF THE MAIN ROTOR BLADE DISCOVERED A VOID. THE BLADE HAS BEEN SENT FOR REPAIR.
- [SDR CA141127008](https://openairdocs.org/sdr/CA141127008), Nov 26, 2014: VALVE. FAILED. (CAN) DUE TO THE DURATION OF THE FLIGHT, PILOT FELT HE WAS GETTING AN ERRONEOUS FUEL QTY READING AND DECIDED TO LAND AND REFUEL. UPON REMOVING THE FUEL CAP, HE 
- [SDR CA141022010](https://openairdocs.org/sdr/CA141022010), Oct 22, 2014: BLADE. DEBONDED. (CAN) DURING INSPECTION CRACKS WERE NOTED IN THE SEALANT COVERING THE ROOT FITTING TO DOUBLE ADHESIVE. SEALANT WAS REMOVED TO EXPOSE THE ADHESIVE BOND LINE. ROO
- [SDR CA140903012](https://openairdocs.org/sdr/CA140903012), Aug 24, 2014: BEARING. ROUGH. (CAN) AFTER LANDING AND DURING ENGINE WIND DOWN, A LOUD SQUEAL WAS HEARD COMING FROM THE AFT OF THE HELICOPTER. IT WAS DETERMINED THAT THE NOISE WAS EMANATING F
- [SDR CA140604010](https://openairdocs.org/sdr/CA140604010), Jun 3, 2014: TUBE. MELTED. (CAN) DISCOVERED DURING ROUTINE PITOT STATIC TEST THAT SOME WELL INTENTIONED PERSON HAD PROTECTED THE STATIC LINE, ENGINE OIL PRESSURE LINES TOGETHER IN SPI-RAP
- [SDR CA140423011](https://openairdocs.org/sdr/CA140423011), Mar 19, 2014: BOLT. UNSERVICEABLE. (CAN) T/R GEARBOX OIL WAS DARK AND EVIDENCE OF BLACK PASTE AND METAL ON CHIP PLUG. IT WAS DECIDED TO R & R T/R GEARBOX AND IN THE PROCESS OF DOING SO IT WAS DIS
- [SDR CA140217004](https://openairdocs.org/sdr/CA140217004), Jan 26, 2014: O-RING. MISSING. (CAN) THE OVER RUNNING CLUTCH WAS PURCHASED AS AN EXCHANGE UNIT. THIS UNIT WAS INSTALLED AT TTAF 16552.9 HRS. THE INSPECTION CRITERIA IS A VISUAL OIL CHECK EACH
- [SDR CA140108003](https://openairdocs.org/sdr/CA140108003), Jan 7, 2014: ARM. SEIZED. (CAN) DURING AN UNSCHEDULED BELL CRANK CHANGE, IT WAS DISCOVERED THAT THE GOVERNOR ARM WAS SEIZED. A RENTAL GOVERNOR WAS INSTALLED WHILE THIS UNIT GOES FOR REPA
- [SDR CA140108002](https://openairdocs.org/sdr/CA140108002), Dec 14, 2013: DAMPER. COLLAPSED. (CAN) WHILE ATTEMPTING THE FIRST START OF THE DAY THE ACFT SUDDENLY SHIFTED TAIL LOW AND TO THE RIGHT. IT WAS DETERMINED THAT THE RT REAR LANDING GEAR DAMPER HA
- [SDR CA131119005](https://openairdocs.org/sdr/CA131119005), Nov 18, 2013: NUT. FAILED. (CAN) DURING SCHEDULED INSPECTION, A NUT WAS FOUND CRACKED. ON REMOVAL, THE NUT CAME APART IN TWO PIECES.
- [SDR CA130930009](https://openairdocs.org/sdr/CA130930009), Sep 28, 2013: SWASHPLATE. DAMAGED. (CAN) DURING REMOVAL OF RENTAL TAIL ROTOR GEARBOX, IT WAS DISCOVERED THAT 1 OF THE DRIVE SPLINES FOR THE TAIL ROTOR SWASHPLATE WAS MISSING. THE RENTAL GEARBOX H
- [SDR 2013FA0000650](https://openairdocs.org/sdr/2013FA0000650), Sep 25, 2013: BEARING. FAILED. PILOT HEARD UNUSUAL NOISE DURING START, JUST BEFORE IGNITION, 10-12 PERCENT OF N1. DESCRIBED NOISE AS A "RUMBLING-GEAR TEETH OUT OF MESH" SOUND FROM ENGINE ACCE
- [SDR CA130925004](https://openairdocs.org/sdr/CA130925004), Sep 22, 2013: GEARBOX. MAKING METAL. (CAN) TAIL ROTOR GEARBOX CHIP LIGHT ILLUMINATED, THE PILOT RETURNED TO STAGING. MAINTENANCE INSPECTED THE CHIP PLUG AND DISCOVERED A SMALL NR OF CHIPS, CLEANED,
- [SDR 2013FA0000329](https://openairdocs.org/sdr/2013FA0000329), Jun 7, 2013: BRACKET. BROKEN. COLLECTIVE BUNGIE BRACKET BROKE IN FLIGHT. PILOT MADE A RUN ON LANDING WITH MINIMAL COLLECTIVE CONTROL.
- [SDR CA130405009](https://openairdocs.org/sdr/CA130405009), Apr 5, 2013: SWASHPLATE. CRACKED. (CAN) T/R SWASHPLATE REMOVED FROM ACFT FOR ROUTINE MAINTENANCE. DURING INSPECTION, NUMEROUS ROTATING SWASHPLATE DRIVE SPLINES WERE FOUND TO BE CRACKED AND SOME 
- [SDR X33A2012121100001](https://openairdocs.org/sdr/X33A2012121100001), Nov 25, 2012: FAIRING. MISSING. THE PILOT FELT TWO THUMPS AND A LOW FREQUENCY BUZZ FOR ONE SECOND. RETURNED TO BASE MECHANIC PERFORMED A VISUAL INSPECTION, REVEALING THAT THE MAIN RROTER FAIRI
- [SDR CA121011011](https://openairdocs.org/sdr/CA121011011), Oct 10, 2012: SPRAG CLUTCH. DAMAGED. (CAN) DURING THE 100 HOUR INSPECTION, THE ENGINEER NOTICED THAT THE OIL IN THE CLUTCH WAS VERY DARK. HE REMOVED THE ASSY AND DISASSEMBLED THE CLUTCH. THE SPRAG 
- [SDR CA121004005](https://openairdocs.org/sdr/CA121004005), Sep 22, 2012: TUBE. BROKEN. (CAN) DURING FLIGHT THE PILOT FELT A RELEASE OF PRESSURE IN THE CYCLIC CONTROL AS HE WAS APPLYING PRESSURE AND TRIMMING THE CYCLIC AFT. AFTERWARDS HE WAS UNABLE
- [SDR CA120716014](https://openairdocs.org/sdr/CA120716014), Jul 9, 2012: STRAP. TORN. (CAN) THE VELCRO STRAP SECURING THE ELT TO THE BASE SHOWS UV DETERIORATION. STRAP WAS VERY WEAK, WITH RIPPING ACCOMPLISHED VERY EASY. THESE ELT`S ARE MOUNTED IN
- [SDR 2012FA0000296](https://openairdocs.org/sdr/2012FA0000296), May 10, 2012: FCU. INOPERATIVE. WHILE IN FLIGHT, ACFT RPM`S AND N2 CLIMBED QUICKLY. RAISED COLLECTIVE AND ROLLED THROTTLE DOWN UNTIL THE RPM`S STABILIZED. ACFT RETURNED TO DEPARTURE AND LANDED
- [SDR CA120424005](https://openairdocs.org/sdr/CA120424005), Apr 18, 2012: STRUT. BROKEN. (CAN) AFTER HELICOPTER WAS LOADED AND STARTED THE GEAR SPREAD AND A BANG WAS HEARD, UPON VISUAL INSPECTION, THE RT AFT STRUT WAS FOUND TO BE BROKEN WHERE THE DR
- [SDR CA120215011](https://openairdocs.org/sdr/CA120215011), Feb 15, 2012: BEARING. WORN. (CAN) PILOT REPORTED SUDDEN HIGH FREQUENCY VIBRATION DURING FLIGHT. ABORTED FLIGHT, LANDED. INSPECTION REVEALED OIL COOLER BLOWER BEARING WITH EXCESS WEAR. BLOW
- [SDR CA120123006](https://openairdocs.org/sdr/CA120123006), Jan 20, 2012: SWASHPLATE. WORN. (CAN) DURING A REGULAR INSPECTION THE TAIL ROTOR SWASHPLATE BEARING WAS TURNED BY HAND AND FOUND TO BE ROUGH. THE TAIL ROTOR SWASHPLATE WAS REMOVED FROM SERVICE

All 890: https://openairdocs.org/model/summa-369d/reports.md

## STCs that may be installed (OpenAirDocs) (275, 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 SR12192LA](https://openairdocs.org/stc/SR12192LA): Installation of MD Helicopters (MDH), LLC, Super D20B kit. MD Helicopters, LLC
- [STC SR12311LA](https://openairdocs.org/stc/SR12311LA): Installation of MD Helicopters (MDH), LLC, Super D20R kit in accordance with FAA approved MDH Master Data List. MD Helicopters
- [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 SR00146IB](https://openairdocs.org/stc/SR00146IB): nstallation of the Integrated Health and Usage Monitoring System (HUMS). RMCI Canada 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 SH1837NM](https://openairdocs.org/stc/SH1837NM): 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 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 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 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 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 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 SH4655NM](https://openairdocs.org/stc/SH4655NM): Installation of Soloy 375-1000 series auxiliary fuel system. Fifty-Ten-Yankee LLC
- [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 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

All 275: https://openairdocs.org/model/summa-369d/stcs.md

## The same model under other registry codes

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

- [Hughes Helicopters HUGHES 369D](https://openairdocs.org/model/hughes-helicopters-hughes-369d): 207 registered aircraft, registry code 4470706
- [MD Helicopters 369D](https://openairdocs.org/model/md-helicopters-369d): 0 registered aircraft, registry code 3030007

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