# Pratt & Whitney PT6 series

- Type: Engine model (FAA registry)
- Registry code: 52033
- Manufacturer (registry): P&W
- Model: PT6 SERIES
- Engine type: Turbo-prop
- Power: 500 hp
- Installed in: 43 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-pt6-series

The registry names only the engine series, so ADs for every model in the series are matched.

## ADs that may apply (OpenAirDocs)

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

- [AD 2024-04-51](https://openairdocs.org/ad/2024-04-51): Turbine Section · Pratt & Whitney Canada PT6A-64, PT6A-66, PT6A-66A and 17 more. Effective Mar 28, 2024
- [AD 2023-03-02](https://openairdocs.org/ad/2023-03-02): Turbine Engine Compressor Section · Pratt & Whitney Canada PT6E-67XP. Effective Mar 21, 2023
- [AD 2022-08-13](https://openairdocs.org/ad/2022-08-13): Turbine Section · Pratt & Whitney Canada PT6A-34, PT6A-34B, PT6A-34AG and 2 more. Effective May 27, 2022
- [AD 2020-18-05](https://openairdocs.org/ad/2020-18-05): Fuel Control/Turbine Engines · Pratt & Whitney Canada PT6B-37A. Effective Oct 7, 2020
- [AD 2019-22-03](https://openairdocs.org/ad/2019-22-03): Turbine Engine Reduction Gear · Pratt & Whitney Canada PT6B-37A. Effective Dec 24, 2019
- [AD 2016-05-13](https://openairdocs.org/ad/2016-05-13): Corrosion and perforation of the two-ply Cu-Be bellows in Woodward FCUs. · Pratt & Whitney Canada PT6A-60AG, PT6A-65AG, PT6A-67AF and 1 more. Effective Apr 22, 2016
- [AD 2014-17-08 R1](https://openairdocs.org/ad/2014-17-08-R1): Compressor turbine (CT) blades · Pratt & Whitney Canada PT6A-114 and PT6A-114A. Effective Jun 5, 2015
- [AD 2014-11-05](https://openairdocs.org/ad/2014-11-05): Reinforcement liner to the power turbine (PT) containment   
  ring and, for certain PT containment rings, adding scallops · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 18 more. Effective Aug 5, 2014
- [AD 2013-03-14](https://openairdocs.org/ad/2013-03-14): Power turbine (PT) baffle · Pratt & Whitney Canada PT6C-67C. Effective Mar 26, 2013
- [AD 2012-09-10](https://openairdocs.org/ad/2012-09-10): First stage sun gears · Pratt & Whitney Canada PT6A-110, PT6A-112, PT6A-114 and 12 more. Effective May 23, 2012
- [AD 2011-25-12](https://openairdocs.org/ad/2011-25-12): Sun gear · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Dec 28, 2011
- [AD 2011-20-51](https://openairdocs.org/ad/2011-20-51): Gears · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 4 more. Effective Nov 1, 2011
- [AD 2004-25-18](https://openairdocs.org/ad/2004-25-18): Propeller governor assemblies · Pratt & Whitney Canada PT6A-60A and PT6A-65B. Effective Jan 18, 2005
- [AD 2004-20-04](https://openairdocs.org/ad/2004-20-04): Compressor rear hubs · Pratt & Whitney Canada PT6B-36A and PT6B-36B. Effective Oct 18, 2004
- [AD 2002-23-13](https://openairdocs.org/ad/2002-23-13): Turbine Exhaust Ducts · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 20 more. Effective Dec 31, 2002
- [AD 2001-20-01](https://openairdocs.org/ad/2001-20-01): Compressor Bleed Valve Assembly · Pratt & Whitney Canada PT6A-114A and PT6A-25C. Effective Nov 5, 2001
- [AD 97-04-12](https://openairdocs.org/ad/97-04-12): Compressor Bleed-off Valve · Pratt & Whitney Canada PT6A-11, PT6A-110, PT6A-112 and 52 more. Effective Mar 14, 1997
- [AD 95-13-08](https://openairdocs.org/ad/95-13-08): Compressor Turbine Disk · Pratt & Whitney Canada PT6A-67D. Effective Jul 12, 1995
- [AD 93-23-06](https://openairdocs.org/ad/93-23-06): Airframe Chip Detector Flag System · Pratt & Whitney Canada PT6A-50. Effective Jan 26, 1994
- [AD 92-15-11](https://openairdocs.org/ad/92-15-11): Compressor Delivery Air Line (P3) Filter Assembly · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-21 and 7 more. Effective Aug 17, 1992
- [AD 90-12-05](https://openairdocs.org/ad/90-12-05): Engine Overhaul · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 3 more. Effective May 30, 1990
- [AD 88-03-01](https://openairdocs.org/ad/88-03-01): Compressor Stator Assembly · Pratt & Whitney Canada PT6B-36A. Effective Nov 29, 1988
- [AD 86-10-05](https://openairdocs.org/ad/86-10-05): First Stage Compressor Hub · Pratt & Whitney Canada PT6A-42. Effective Jun 5, 1986
- [AD 80-08-12](https://openairdocs.org/ad/80-08-12): Fuel Pump Drive Coupling Splines · Pratt & Whitney Canada PT6A-11, PT6A-112, PT6A-135 and 24 more. Effective Apr 18, 1980
- [AD 80-04-02](https://openairdocs.org/ad/80-04-02): Push-Pull Control Terminal · Pratt & Whitney Canada PT6A-20, PT6A-6A, PT6A-6B and 1 more. Effective Feb 8, 1980
- [AD 79-11-03](https://openairdocs.org/ad/79-11-03): Automatic Fuel Control · Pratt & Whitney Canada PT6T-3 and PT6T-6. Effective May 31, 1979
- [AD 78-17-07](https://openairdocs.org/ad/78-17-07): Fuel Control Unit · Pratt & Whitney Canada PT6A-38, PT6A-41 and PT6A-45A. Effective Aug 31, 1978
- [AD 78-17-05](https://openairdocs.org/ad/78-17-05): Automatic Fuel Control Unit · Pratt & Whitney Canada PT6T-3, PT6T-3A and PT6T-6. Effective Aug 31, 1978
- [AD 78-12-04](https://openairdocs.org/ad/78-12-04): No. 2 Bearing Pressure Oil Transfer Tube Assembly · Pratt & Whitney Canada PT6A-38, PT6A-41 and PT6A-45A. Effective Jun 19, 1978
- [AD 75-06-01](https://openairdocs.org/ad/75-06-01): Gearbox Deterioration · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 11 more. Effective Apr 1, 1977
- [AD 76-02-08](https://openairdocs.org/ad/76-02-08): Fuel Pump · Pratt & Whitney Canada PT6T-3, PT6T-3A and PT6T-6. Effective Feb 5, 1976
- [AD 75-11-04](https://openairdocs.org/ad/75-11-04): Reduction Gearbox Engine Distress · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 8 more. Effective May 20, 1975
- [AD 70-16-01](https://openairdocs.org/ad/70-16-01): Turbo Propeller Governors · Pratt & Whitney Canada PT6A-11, PT6A-11AG, PT6A-15AG and 5 more. Effective Aug 4, 1970
- [AD 69-23-06](https://openairdocs.org/ad/69-23-06): Fuel Pumps · Pratt & Whitney Canada PT6A-20, PT6A-27, PT6A-28 and 4 more. Effective Nov 15, 1969
- [AD 68-05-03](https://openairdocs.org/ad/68-05-03): Reverse Mode · Pratt & Whitney Canada PT6A-20 and PT6A-6B. Effective Feb 28, 1968

Historical (superseded or no longer in force):

- [AD 2015-20-04](https://openairdocs.org/ad/2015-20-04) (historical): Reduction gearbox (RGB) assembly · Pratt & Whitney Canada PT6B-37A. Effective Nov 18, 2015
- [AD 2014-17-08](https://openairdocs.org/ad/2014-17-08) (historical): Compressor turbine (CT) blades · Pratt & Whitney Canada PT6A-114 and PT6A-114A. Effective Oct 8, 2014
- [AD 88-24-02](https://openairdocs.org/ad/88-24-02) (historical): Airframe Chip Detector Flag System · Pratt & Whitney Canada PT6A-50

## Information bulletins (advisory) (5)

- [SAIB NE-15-21](https://openairdocs.org/saib/NE-15-21): Fuel Injector Nozzle. Issued Aug 19, 2015
- [SAIB NE-12-04](https://openairdocs.org/saib/NE-12-04): Turbine/ Turboprop Engine: Reduction Gearbox. Issued Nov 1, 2011
- [SAIB NE-10-47](https://openairdocs.org/saib/NE-10-47): Turbine Engine Compressor Section. Issued Aug 30, 2010
- [SAIB NE-06-34](https://openairdocs.org/saib/NE-06-34): . Issued Mar 21, 2006
- [SAIB CE-03-24](https://openairdocs.org/saib/CE-03-24): . Issued Feb 19, 2003

## Registered aircraft (43)

- [N1079U](https://openairdocs.org/aircraft/N1079U): [Turbines Ltd](https://openairdocs.org/faa-owner/TURBINES%20LTD), [West Point, NE](https://openairdocs.org/faa-place/NE/West%20Point), built 1980, S/N 31122
- [N119WG](https://openairdocs.org/aircraft/N119WG): [High Performance Helicopters Corp](https://openairdocs.org/faa-owner/HIGH%20PERFORMANCE%20HELICOPTERS%20CORP), [Crestline, CA](https://openairdocs.org/faa-place/CA/Crestline), built 2005, S/N 14502
- [N121CM](https://openairdocs.org/aircraft/N121CM): [Space Coast Aircraft Co](https://openairdocs.org/faa-owner/SPACE%20COAST%20AIRCRAFT%20CO), [Merritt Island, FL](https://openairdocs.org/faa-place/FL/Merritt%20Island), built 1993, S/N 208B0336
- [N141MH](https://openairdocs.org/aircraft/N141MH): [Cinema Aircraft Executive Transportation LLC](https://openairdocs.org/faa-owner/CINEMA%20AIRCRAFT%20EXECUTIVE%20TRANSPORTATION%20LLC), [Las Vegas, NV](https://openairdocs.org/faa-place/NV/Las%20Vegas), built 1997, S/N 760465
- [N159CM](https://openairdocs.org/aircraft/N159CM): [Momentum Foundation Inc](https://openairdocs.org/faa-owner/MOMENTUM%20FOUNDATION%20INC), [Tullahoma, TN](https://openairdocs.org/faa-place/TN/Tullahoma), built 1987, S/N 760333
- [N212HB](https://openairdocs.org/aircraft/N212HB): [Britt Christopher Charles](https://openairdocs.org/faa-owner/BRITT%20CHRISTOPHER%20CHARLES), [Bryan, TX](https://openairdocs.org/faa-place/TX/Bryan), built 1982, S/N 31214
- [N212HP](https://openairdocs.org/aircraft/N212HP): [Corpat Inc](https://openairdocs.org/faa-owner/CORPAT%20INC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 1979, S/N 30951
- [N212Y](https://openairdocs.org/aircraft/N212Y): [S76b LLC](https://openairdocs.org/faa-owner/S76B%20LLC), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York), built 1989, S/N 760357
- [N249H](https://openairdocs.org/aircraft/N249H): [Vertol Systems Co Inc](https://openairdocs.org/faa-owner/VERTOL%20SYSTEMS%20CO%20INC), [Destin, FL](https://openairdocs.org/faa-place/FL/Destin), built 1993, S/N 35061
- [N280TR](https://openairdocs.org/aircraft/N280TR): [Aircraft Guaranty Corporation Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20GUARANTY%20CORPORATION%20TRUSTEE), [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City), built 1988, S/N 760344
- [N307SB](https://openairdocs.org/aircraft/N307SB): [San Bernardino County Sheriffs Aviation Division](https://openairdocs.org/faa-owner/SAN%20BERNARDINO%20COUNTY%20SHERIFFS%20AVIATION%20DIVISION), [San Bernardino, CA](https://openairdocs.org/faa-place/CA/San%20Bernardino), built 1975, S/N 30781
- [N316PD](https://openairdocs.org/aircraft/N316PD): [Longhorn Air LLC](https://openairdocs.org/faa-owner/LONGHORN%20AIR%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2003, S/N 14038
- [N319PD](https://openairdocs.org/aircraft/N319PD): [Aerotrust Services Corp Trustee](https://openairdocs.org/faa-owner/AEROTRUST%20SERVICES%20CORP%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2004, S/N 14040
- [N397AL](https://openairdocs.org/aircraft/N397AL): [Vertol Systems Co LLC](https://openairdocs.org/faa-owner/VERTOL%20SYSTEMS%20CO%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1990, S/N 36012
- [N432WA](https://openairdocs.org/aircraft/N432WA): [Woodley Aerial Leasing LLC](https://openairdocs.org/faa-owner/WOODLEY%20AERIAL%20LEASING%20LLC), [Walnut, IL](https://openairdocs.org/faa-place/IL/Walnut), S/N 400-0435
- [N468ZB](https://openairdocs.org/aircraft/N468ZB): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1988, S/N 760345
- [N473QH](https://openairdocs.org/aircraft/N473QH): [Brown Helicopter Inc](https://openairdocs.org/faa-owner/BROWN%20HELICOPTER%20INC), [Pensacola, FL](https://openairdocs.org/faa-place/FL/Pensacola), built 1986, S/N 760331
- [N58CM](https://openairdocs.org/aircraft/N58CM): [Crystal Motorsports LLC](https://openairdocs.org/faa-owner/CRYSTAL%20MOTORSPORTS%20LLC), [Crystal River, FL](https://openairdocs.org/faa-place/FL/Crystal%20River), S/N 14030
- [N58S](https://openairdocs.org/aircraft/N58S): [Aircrane Inc](https://openairdocs.org/faa-owner/AIRCRANE%20INC), [Winder, GA](https://openairdocs.org/faa-place/GA/Winder), built 1962, S/N 58-1539
- [N61DJ](https://openairdocs.org/aircraft/N61DJ): [Black Badge Aviation LLC](https://openairdocs.org/faa-owner/BLACK%20BADGE%20AVIATION%20LLC), [Carson City, NV](https://openairdocs.org/faa-place/NV/Carson%20City), built 1991, S/N 760380
- [N622FC](https://openairdocs.org/aircraft/N622FC): S/N 35048, N-number assigned, not yet registered
- [N626FC](https://openairdocs.org/aircraft/N626FC): [Florida Department Of Agriculture And Consumer](https://openairdocs.org/faa-owner/FLORIDA%20DEPARTMENT%20OF%20AGRICULTURE%20AND%20CONSUMER), [Tallahassee, FL](https://openairdocs.org/faa-place/FL/Tallahassee), built 1995, S/N 35088
- [N666JM](https://openairdocs.org/aircraft/N666JM): [Bank Of Utah Owner Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20OWNER%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2025, S/N 2468
- [N7125N](https://openairdocs.org/aircraft/N7125N): [Ksnl Aero LLC](https://openairdocs.org/faa-owner/KSNL%20AERO%20LLC), [Shawnee, OK](https://openairdocs.org/faa-place/OK/Shawnee), built 2015, S/N 208B5235
- [N760JE](https://openairdocs.org/aircraft/N760JE): [Islander Holdings Ltd](https://openairdocs.org/faa-owner/ISLANDER%20HOLDINGS%20LTD), [Fort Lauderdale, FL](https://openairdocs.org/faa-place/FL/Fort%20Lauderdale), built 1997, S/N 760462
- [N761CG](https://openairdocs.org/aircraft/N761CG): [Coulson Aviation (USA) Inc](https://openairdocs.org/faa-owner/COULSON%20AVIATION%20(USA)%20INC), [Portland, OR](https://openairdocs.org/faa-place/OR/Portland), built 1994, S/N 760410
- [N7644S](https://openairdocs.org/aircraft/N7644S): [Islander Holdings Ltd](https://openairdocs.org/faa-owner/ISLANDER%20HOLDINGS%20LTD), [Ft Lauderdale, FL](https://openairdocs.org/faa-place/FL/Ft%20Lauderdale), S/N 760314
- [N768SX](https://openairdocs.org/aircraft/N768SX): [Rentco LLC](https://openairdocs.org/faa-owner/RENTCO%20LLC), [Deer Park, TX](https://openairdocs.org/faa-place/TX/Deer%20Park), built 1991, S/N 760372
- [N76CG](https://openairdocs.org/aircraft/N76CG): [Csc Delaware Trust Co Trustee](https://openairdocs.org/faa-owner/CSC%20DELAWARE%20TRUST%20CO%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1989, S/N 760355
- [N76DN](https://openairdocs.org/aircraft/N76DN): [Fastboy Equipment LLC](https://openairdocs.org/faa-owner/FASTBOY%20EQUIPMENT%20LLC), [Beasley, TX](https://openairdocs.org/faa-place/TX/Beasley), S/N 760351
- [N76EX](https://openairdocs.org/aircraft/N76EX): [Island Express Helicopters Inc](https://openairdocs.org/faa-owner/ISLAND%20EXPRESS%20HELICOPTERS%20INC), [Henderson, NV](https://openairdocs.org/faa-place/NV/Henderson), built 1988, S/N 760342
- [N76FL](https://openairdocs.org/aircraft/N76FL): [Helinet Aviation Services LLC](https://openairdocs.org/faa-owner/HELINET%20AVIATION%20SERVICES%20LLC), [Van Nuys, CA](https://openairdocs.org/faa-place/CA/Van%20Nuys), built 1988, S/N 760347
- [N776DP](https://openairdocs.org/aircraft/N776DP): [Delaware Park LLC](https://openairdocs.org/faa-owner/DELAWARE%20PARK%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1991, S/N 760367
- [N7TP](https://openairdocs.org/aircraft/N7TP): [Dt Connect II LLC](https://openairdocs.org/faa-owner/DT%20CONNECT%20II%20LLC), [New York, NY](https://openairdocs.org/faa-place/NY/New%20York), built 1989, S/N 760353
- [N813DG](https://openairdocs.org/aircraft/N813DG): [Bristow LLC](https://openairdocs.org/faa-owner/BRISTOW%20LLC), [Lake Charles, LA](https://openairdocs.org/faa-place/LA/Lake%20Charles), built 2006, S/N 31032
- [N822MM](https://openairdocs.org/aircraft/N822MM): [Bristow LLC](https://openairdocs.org/faa-owner/BRISTOW%20LLC), [Lake Charles, LA](https://openairdocs.org/faa-place/LA/Lake%20Charles), built 2005, S/N 14055
- [N860AR](https://openairdocs.org/aircraft/N860AR): [412 Jw Aviation LLC](https://openairdocs.org/faa-owner/412%20JW%20AVIATION%20LLC), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 1990, S/N 36019
- [N8817Q](https://openairdocs.org/aircraft/N8817Q): [Ruhe Sales LLC](https://openairdocs.org/faa-owner/RUHE%20SALES%20LLC), [Leipsic, OH](https://openairdocs.org/faa-place/OH/Leipsic), built 1970, S/N 1517R
- [N911HW](https://openairdocs.org/aircraft/N911HW): [Rogers Helicopters Inc](https://openairdocs.org/faa-owner/ROGERS%20HELICOPTERS%20INC), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno), built 1980, S/N 31101
- [N911KW](https://openairdocs.org/aircraft/N911KW): [Rogers Helicopters Inc](https://openairdocs.org/faa-owner/ROGERS%20HELICOPTERS%20INC), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno), built 1973, S/N 30592
- [N911VR](https://openairdocs.org/aircraft/N911VR): [Rogers Helicopters Inc](https://openairdocs.org/faa-owner/ROGERS%20HELICOPTERS%20INC), [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno), built 1980, S/N 30998
- [N9122Z](https://openairdocs.org/aircraft/N9122Z): [Intermountain Helicopter Inc](https://openairdocs.org/faa-owner/INTERMOUNTAIN%20HELICOPTER%20INC), [Sonora, CA](https://openairdocs.org/faa-place/CA/Sonora), built 1975, S/N 30716
- [N969JV](https://openairdocs.org/aircraft/N969JV): [Ggm Transport LLC](https://openairdocs.org/faa-owner/GGM%20TRANSPORT%20LLC), [Bakersfield, CA](https://openairdocs.org/faa-place/CA/Bakersfield), built 2022, S/N 1440

## NTSB investigations (20)

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 WPR23LA338](https://openairdocs.org/ntsb/WPR23LA338), Sep 10, 2023: Bell 212 (N873HL), Balch Camp, CA, destroyed. Probable cause: The pilot’s inadequate performance planning for the operation that resulted in an excessive gross weight for the operating conditions, leading to a loss of altitude during maneuvering and contact…
- [NTSB WPR21LA268](https://openairdocs.org/ntsb/WPR21LA268), Jul 7, 2021: Bell 212HP (N911KW), Weed, CA, substantial damage. Probable cause: The pilot’s failure to maintain altitude during an approach to a lake. Contributing to the accident was the pilot’s failure to release the full water bucket as the helicopter was settling, which…
- [NTSB DCA20MA059](https://openairdocs.org/ntsb/DCA20MA059), Jan 26, 2020: Sikorsky S76 (N72EX), Calabasas, CA, destroyed, 9 fatal. Probable cause: The pilot’s decision to continue flight under visual flight rules into instrument meteorological conditions, which resulted in the pilot’s spatial disorientation and loss of control. Contributing to…
- [NTSB CEN14CA082](https://openairdocs.org/ntsb/CEN14CA082), Dec 5, 2013: Sikorsky S 76B (N707MY), Port Fourchon, LA, substantial damage. Probable cause: The pilot's loss of control of the helicopter when it entered a settling with power condition during sudden gusty wind conditions on takeoff resulting in the helicopter subsequently impacting terrain.
- [NTSB WPR13IA020](https://openairdocs.org/ntsb/WPR13IA020), Oct 20, 2012: Agusta A119 (N207CF), Dolan Springs, AZ, incident, minor damage. Probable cause: Insufficient clearance between a truck and the main rotor blades of a helicopter on the ground with the engine running because of the lack of on-scene coordination between the agencies that responded…
- [NTSB CEN12FA250](https://openairdocs.org/ntsb/CEN12FA250), Apr 17, 2012: Sikorsky S-76B (N56RD), Gulf of Mexico, LA, substantial damage. Probable cause: The intermittent loss of engine power due to a "stuck" stepper motor in the No. 2 engine's fuel control as a result of an inadequate overhaul. Contributing to the accident was the pilot's decision to…
- [NTSB WPR11LA277](https://openairdocs.org/ntsb/WPR11LA277), Jun 21, 2011: Bell 212 (N49678), Mesa, AZ, destroyed. Probable cause: The pilot's failure to maintain helicopter control while in a low hover.
- [NTSB WPR11FA163](https://openairdocs.org/ntsb/WPR11FA163), Mar 13, 2011: Sikorsky S-58ET (N33602), El Segundo, CA, substantial damage. Probable cause: A partial loss of engine power and the failure of the external hook to release the load for undetermined reasons.
- [NTSB WPR10FA029](https://openairdocs.org/ntsb/WPR10FA029), Oct 23, 2009: Agusta A119 (N119AH), Blythe, CA, substantial damage. Probable cause: The loss of engine power during cruise flight for undetermined reasons.
- [NTSB WPR09TA356](https://openairdocs.org/ntsb/WPR09TA356), Jul 21, 2009: Bell 212 (N212HP), Willow Creek, CA, no damage, 1 fatal. Probable cause: The rappeller's failure to properly latch the rappelling harness to the rappelling assembly before exiting the helicopter.
- [NTSB LAX08LA200](https://openairdocs.org/ntsb/LAX08LA200), Jun 27, 2008: Sikorsky S-76A (N343AA), Santa Maria, CA, substantial damage. Probable cause: The copilot's misjudged clearance from an object during a hovering turn for landing. Contributing to the accident were the inadequately marked heliport surface and the close proximity of an…
- [NTSB LAX07FA056](https://openairdocs.org/ntsb/LAX07FA056), Dec 11, 2006: Bell 412SP (N410MA), Hesperia, CA, destroyed, 3 fatal. Probable cause: The pilot's inadvertent encounter with instrument meteorological conditions and subsequent failure to maintain terrain clearance. Contributing to the accident were the dark night conditions, fog, and…
- [NTSB LAX06TA284](https://openairdocs.org/ntsb/LAX06TA284), Sep 4, 2006: Bell 212 (N873HL), Happy Camp, CA, substantial damage. Probable cause: Failure of compressor second stage stator vane for undetermined reasons while maneuvering.
- [NTSB DEN05FA103](https://openairdocs.org/ntsb/DEN05FA103), Jun 30, 2005: Agusta A119 (N403CF), Mancos, CO, substantial damage, 3 fatal. Probable cause: a loss of engine power for undetermined reasons and the pilot's inability to get into autorotation prior to impacting the ground. A factor contributing to the accident was the helicopter's low…
- [NTSB ANC03GA023](https://openairdocs.org/ntsb/ANC03GA023), Jan 17, 2003: Bell 212 (N1079U), McMurdo Station, AY, substantial damage. Probable cause: The pilot's continued operation of the helicopter with an unstable external load, which resulted in damage to the cargo hook assembly, adjacent throttle controls, and subsequent loss of engine power,…
- [NTSB DEN01TA134](https://openairdocs.org/ntsb/DEN01TA134), Jul 31, 2001: Bell 212 (N911VR), Jackson, WY, no damage. Probable cause: the Bell 212 helicopter pilot's inadequate visual lookout which resulted in a midair collision.
- [NTSB DEN00TA160](https://openairdocs.org/ntsb/DEN00TA160), Aug 31, 2000: Bell 212 (N8224V), Jackson, WY, substantial damage. Probable cause: Loss of control for undetermined reasons.
- [NTSB MIA00FA030](https://openairdocs.org/ntsb/MIA00FA030), Nov 27, 1999: Bell 212 (N8144M), Philadelphia, MS, destroyed, 2 fatal. Probable cause: The failure of the pilot and company maintenance personnel during preflight and periodic inspections to identify the signs of fretting and looseness in the "red" main rotor blade pitch change horn to…
- [NTSB FTW81DPG59](https://openairdocs.org/ntsb/FTW81DPG59), Aug 5, 1981: Aero Comdr S2R (N8817Q), Swifton, AR, substantial damage
- [NTSB FTW78DRA33](https://openairdocs.org/ntsb/FTW78DRA33), Jul 18, 1978: Aero-Comdr S-2R (N8817Q), Beasley, TX, substantial damage

## FAA accident and incident reports (29)

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 20230909010609A](https://openairdocs.org/incident/20230909010609A), Sep 9, 2023: Bell 212 (N873HL), Balch Camp, CA, Destroyed. While slowing the aircraft to do firefighting water drop operations, at approximately 100 ft AGL, due to unknown reasons, the aircraft settled and the main…
- [Accident 20210707016999A](https://openairdocs.org/incident/20210707016999A), Jul 7, 2021: Bell 212 (N911KW), Substantial damage. A phone interview with pilot[privacy data omitted] July 17, 2021 by inspector [privacy data omitted] assistant to the iic revealed that [privacy data omitted]…
- [Accident 20200126001589A](https://openairdocs.org/incident/20200126001589A), Jan 26, 2020: Sikorsky S-76B (N72EX), Calabasas, CA, Destroyed, 9 fatal. On January 26, 2020, at 0945 pacific standard time (PST), a Sikorsky S-76B helicopter, N72EX, Collided with hilly terrain near the city of Calabasas,…
- [Incident 20180705018682I](https://openairdocs.org/incident/20180705018682I), Jul 5, 2018: Sikorsky S-76B (N76EX), Long Beach, CA, Minor damage. On July 5, 2018, island express helicopters personnel were preparing four company aircraft for a photo shoot. Two S-76 helicopters, N71EX and N76EX, were…
- [Incident 20170614013289I](https://openairdocs.org/incident/20170614013289I), Jun 14, 2017: Sikorsky SK-76 (N7TP), New York, NY, Minor damage. N7TP approached helipad eastbound over water and made 180 degree pedal turn to face west prior to touchdown on spot 1. As aircraft decended to touchdown, the…
- [Accident 20131205024729A](https://openairdocs.org/incident/20131205024729A), Dec 5, 2013: Sikorsky S-76B (N707MY), Port Fourchon, LA, Substantial damage. Pilot reported that after liftoff, at approximately 50 feet he felt the wind change direction. At this point the aircraft began to lose lift and settled with…
- [Incident 20121019024449I](https://openairdocs.org/incident/20121019024449I), Oct 19, 2012: Agusta Spa A119 (N207CF), Dolan Springs, AZ, Minor damage. Aircraft landed at the scene of a motor vehicle crash involving two tour buses, resulting in multiple casualties. Aircraft was the last of multiple EMS…
- [Accident 20120417009099A](https://openairdocs.org/incident/20120417009099A), Apr 17, 2012: Sikorsky S-76B (N56RD), Intracoastal Ci, LA, Destroyed. During approach to an oil platform aircraft experienced power loss in number 2 engine and impacted the water.
- [Incident 20110717015139I](https://openairdocs.org/incident/20110717015139I), Jul 17, 2011: Air Tractor Inc AT-400 (N432WA), Congerville, IL, Minor damage. Airman stated that during a swath run he momentarily became distracted. When he returned his attention to the flight path he realized he was rapidly…
- [Accident 20110621013539A](https://openairdocs.org/incident/20110621013539A), Jun 21, 2011: Bell 212 (N49678), Mesa, AZ, Substantial damage. On June 21, 2011 a Bell 212 helicopter (N49678) operated by "the Boeing company" was conducting a pilot currency flight when the aircraft struck the ground,…
- [Accident 20110313005459A](https://openairdocs.org/incident/20110313005459A), Mar 13, 2011: Sikorsky S-58ET (N33602), El Segundo, CA, Destroyed. On March 13, 2011, at approximately 09:31, a Sikorsky S-58 helicopter, N33602, owned by heli flite, inc. and operated by aris helicopters, a 14CFR133 operator…
- [Accident 20091022021679A](https://openairdocs.org/incident/20091022021679A), Oct 22, 2009: Agusta A119 (N119AH), Blythe, CA, Substantial damage. Operator encountered a main rotor RPM drop (power loss) and a subsequent emergency (forced) landing.
- [Accident 20090721017989A](https://openairdocs.org/incident/20090721017989A), Jul 21, 2009: Bell 212 (N212HP), Willow Creek, CA, No damage, 1 fatal. (-23) On July 21, a rappeller sustained fatal injuries from an un-arrested descent out of a helicopter from an altitude of approximately 200 feet. The accident…
- [Incident 20090515025599I](https://openairdocs.org/incident/20090515025599I), May 15, 2009: Agusta Spa AB139 (N813DG), Deadhorse, AK, Minor damage. Crew failed to ensure that the cargo door was properly latched. The door was closed and after reaching cruising speed the door began sliding open and departed…
- [Accident 20080627840659A](https://openairdocs.org/incident/20080627840659A), Jun 27, 2008: Skrsky S76A (N343AA), Lompoc, CA, Substantial damage. (-23) Aircraft landed into wind on platform irene (5 miles off the coast from vandenberg), then began a hovering right turn to position aircraft to disembark…
- [Accident 20061210025899A](https://openairdocs.org/incident/20061210025899A), Dec 10, 2006: Bell 412 (N410MA), Hesperia, CA, Destroyed, 3 fatal. (-23) On December 10, 2006, at approximately 1755 pacific standard time (PST), a Bell 412, N410MA, operated by life net, as mercy air under contact with loma…
- [Incident 20060904027729I](https://openairdocs.org/incident/20060904027729I), Sep 4, 2006: Bell 212 (N873HL), Happy Camp, CA, Substantial damage. (-23) After takeoff with an external load the pilot smelled what he believed at the time to be something burning. As the smell worsened, he then received a #2…
- [Accident 20050630012169A](https://openairdocs.org/incident/20050630012169A), Jun 30, 2005: Agusta A119 (N403CF), Mancos, CO, Destroyed, 3 fatal. (-23) Aircraft was observed on approach to landing zone at approximately 200 feet AGL, 9730 feet MSL, temp 20 degrees c, with suspected tail wind of…
- [Incident 20030223003499I](https://openairdocs.org/incident/20030223003499I), Feb 23, 2003: Bell 212 (N8145Y), Nacogdoches, TX, Minor damage. (-23) Helicopter main rotor blades truck trees during attempted landing at a remote site. Pilot elected to fly helicopter to Nacogdoches airport (och) 7 NM…
- [Accident 20030116000359A](https://openairdocs.org/incident/20030116000359A), Jan 16, 2003: Bell 212 (N1079U), Lakefryxell, AY, Substantial damage. (-23) Witnesses reported that the helicopter was hovering (approx 100' AGL) during an external load operation when "white smoke" was seen emanating from the…
- [Accident 20010731021402A](https://openairdocs.org/incident/20010731021402A), Jul 31, 2001: Bell 212 (N911VR), No damage. (-23)Upon arrival at the same pond in which another helicopter was already picking up water, the pilot did not see the hovering helicopter below due to smoke…
- [Accident 20000831014169A](https://openairdocs.org/incident/20000831014169A), Aug 31, 2000: Bell 212 (N8224V), Jackson, WY, No damage. (-23) Heli was on the ground with rotors at full RPM. The pilot felt a/c fall to the right rear. Tail rotor blades contacted ground and blades separrated from…
- [Accident 19991127033769A](https://openairdocs.org/incident/19991127033769A), Nov 27, 1999: Bell 212 (N8144M), Philadelphia, MS, Destroyed, 2 fatal. (.19) On November 27, 1999, about 1445 central standard time, a Bell 212, N8144M, registered to houston helicopters, inc., crashed near Philadelphia,…
- [Incident 19970927042809I](https://openairdocs.org/incident/19970927042809I), Sep 27, 1997: Bell 412 (N107X), Morgan City, LA. Narrative: twenty minutes into flight, the no. 1 engine flamed out. Uneventful single engine landing was made. Maintenance investigation revealed internal…
- [Incident 19950509036599I](https://openairdocs.org/incident/19950509036599I), May 9, 1995: Bell 412 (N2149S), Sabine, TX, Minor damage. Fuel leak en route. Fuel leaking into door. Returned. Nothing further. Part NR3021280.
- [Incident 19950509025039I](https://openairdocs.org/incident/19950509025039I), May 9, 1995: Bell 412 (N21498), Morgan City, LA. NR1 engine governor failed low on takeoff. Landed safely, replaced governor.
- [Incident 19940722034759I](https://openairdocs.org/incident/19940722034759I), Jul 22, 1994: Bell 412 (N7128R), Lafayette, LA, Minor damage. Narrative: aircraft Bell 412, N7128R, at static rest, loading passengers, and being refueled, experienced the aft cross tube parting as the refueling operation…
- [Accident 19810805049499A](https://openairdocs.org/incident/19810805049499A), Aug 5, 1981: Ayres S2R (N8817Q), Swifton, AR, Substantial damage. Crash occurred during attempted forced landing due to engine failure after takeoff. Dirt, rust, water in fuel.
- [Accident 19780718018789A](https://openairdocs.org/incident/19780718018789A), Jul 18, 1978: Ayres S2B (N8817Q), Beasley, TX, Substantial damage. Collided with loading equipment.

## Service difficulty reports (884, newest 50)

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

- [SDR 6CBA2026040126001](https://openairdocs.org/sdr/6CBA2026040126001), Apr 1, 2026: FUEL SYS. LOW PRESSURE. DURING A REPOSITION FLIGHT OUT OF KOJC, AN AMBER FUEL PRESSURE LOW (CAS) DISPLAYED ON TAKE OFF ROLL RESULTED IN A REJECTED TAKE OFF. MAINTENANCE IS BEING CARRIE
- [SDR 6CBA2026031003001](https://openairdocs.org/sdr/6CBA2026031003001), Mar 10, 2026: FUEL SYS. OUT OF BALANCE. DURING A PART 91 FLIGHT FROM KSWO TO KBTA, AT 1000 FL THE CREW NOTED A CAS MESSAGE FOR FUEL IMBALANCE WITH FOUR BARS DIFFERENCE BETWEEN LEFT AND RIGHT SIDE. ADD
- [SDR 8SMA202509090001](https://openairdocs.org/sdr/8SMA202509090001), Aug 29, 2025: THROTTLE. FAULTED. PILOT REPORTED AN UNCOMMANDED LOSS OF THRUST DURING INITIAL CLIMB AFTER TAKING OFF. AFTER REVIEW WITH PILATUS, P&WC, HONEYWELL AND ENGINEERING DEPARTMENTS, NO F
- [SDR 2025FA0000276](https://openairdocs.org/sdr/2025FA0000276), Apr 17, 2025: IGNITER. MALFUNCTIONED. INFORMED US THAT AN UNATTACHED IGNITOR HAD BEEN DISCOVERED IN THE ENGINE COMPARTMENT OF HIS AIRCRAFT, WHICH HAD LAST BEEN SERVICED BY US, CAUSING CONSIDERABLE D
- [SDR 6CBA2024121124001](https://openairdocs.org/sdr/6CBA2024121124001), Dec 8, 2024: SWITCH. FAULTED. WHILE OVER ORD AT FL240, AIR CYCLE SYSTEM (ACS) LOW INFLOW CAUTION ADVISORY SYSTEM (CAS) MESSAGE WAS TRIGGERED, ACCOMPANIED BY AN AUDIBLE CHANGE IN THE AIRCRAFT
- [SDR 2024FA0000823](https://openairdocs.org/sdr/2024FA0000823), Nov 5, 2024: WINDSHIELD. FRACTURED. AIRCRAFT WAS IN CRUISE FLIGHT AT 16,000 FT ENROUTE KBZN FROM KBIL WHEN THE RIGHT (COPILOT) WINDSHIELD SHATTERED. AT THAT TIME, THE FLIGHT CREW RETURNED TO KBIL 
- [SDR QMLA2024100320128](https://openairdocs.org/sdr/QMLA2024100320128), Oct 2, 2024: FEATHERING SYS. FAULTED. DURING LANDING, THE RIGHT PROP ATTEMPTED TO FEATHER WITH THE AUTO FEATHER SYSTEM ON (AS THROTTLES WERE PULLED BACK FOR LANDING). PILOT SECURED THE AUTO FEATHER 
- [SDR FXTA20240926001](https://openairdocs.org/sdr/FXTA20240926001), Sep 24, 2024: CAP. CRACKED. CAP ON TOP OF THE VERTICAL THAT BEACON MOUNTS TO CRACKED IN MULTIPLE PLACES ALLOWING THE BEACON TO BECOME LOOSE ON TOP OF THE VERTICAL STABILIZER.
- [SDR QMLA2024081620101](https://openairdocs.org/sdr/QMLA2024081620101), Aug 13, 2024: CONTROL VALVE. FAILED. ALL OF CREW NOTED A MELTING OR BURNING PLASTIC SMELL. WE WERE ABOUT TO BEGIN OUR DESCENT FOR BASE, AND WERE ONLY ABOUT 15 MINUTES OUT, WITH MULTIPLE ALTERNATIVE
- [SDR COEA2024062803957](https://openairdocs.org/sdr/COEA2024062803957), Jun 27, 2024: ENGINE. MAKING METAL. FLT. 4511 ENROUTE: ESD - MVW DISCREPANCY: R/H CHIP DETECTOR LIGHT ILLUMINATED IN FLIGHT. THE PILOT DECLARED AN EMERGENCY. LANDED IN MVW WITHOUT FURTHER INCIDENT
- [SDR 6CBA2024062624001](https://openairdocs.org/sdr/6CBA2024062624001), Jun 23, 2024: LANDING GEAR. STUCK. AFTER TAKEOFF FROM KBVU ON A FLIGHT TO KRNO, THE CREW REPORTED "NOSE GEAR STUCK DN, GEAR ACTUATTOR CNTRL, AMBER CAS." THE CREW DECIDED TO DECLARE AN EMERGENCY A
- [SDR 8SMA2024040300503](https://openairdocs.org/sdr/8SMA2024040300503), Apr 1, 2024: WARNING MESSAGE. ILLUMINATED. REDS WARNING MESSAGE REGARDING CABIN ALTITUDE EMERGED WITH BOTH CKPT AND CAB INDICATIONS SHOWING YELLOW CROSSES ON ENVIRONMENTAL MFD.
- [SDR QMLA2024021320016](https://openairdocs.org/sdr/QMLA2024021320016), Jan 26, 2024: BOOT. MALFUNCTIONED. DE-ICE BOOTS MALFUNCTION AS INDICATED ON "CAWS" PANEL. PILOT WROTE UP DISCREPANCY IN LOG BOOK. AIRCRAFT BOOTS WERE DEFERRED ON MEL AND THE AIRCRAFT WAS RETURNED
- [SDR QMLA2023122020115](https://openairdocs.org/sdr/QMLA2023122020115), Dec 14, 2023: UNKNOWN. UNKNOWN. CLIMBING OUT OF APPROXIMATELY 3400 FT, CONTINUOUS WARNING TONE (EITHER PUSHER TEST OR OVERSPEED - THEY ARE VERY SIMILAR) STARTED AND REMAINED ON THE REST OF THE
- [SDR QMLA2023110220100](https://openairdocs.org/sdr/QMLA2023110220100), Oct 30, 2023: SWITCH. UNKNOWN. ON MULTIPLE OCCAISIONS THE CREW HAS NOTED THAT WHEN THE CARGO DOOR IS OPENED THE DOOR CLOSE MOTOR WILL ENGAGE ONCE THE DOWN-LIMIT SWITCH IS DEACTIVATED, CAUSING
- [SDR 2023FA0000562](https://openairdocs.org/sdr/2023FA0000562), Sep 21, 2023: PITOT TUBE. UNKNOWN. WHILE IN FLIGHT IN ICING CONDITIONS THE RIGHT PITOT SYSTEM SEEMED TO FREEZE UP, THUS DISCONNECTING THE AUTOPILOT AND FLIGHT DIRECTOR. THE PITOT HEAT FUNCTIONS B
- [SDR TXHA202401180124](https://openairdocs.org/sdr/TXHA202401180124), Aug 16, 2023: PUMP. FAILED. DUAL ENGINE HYDRAULIC PUMP FAILURE.
- [SDR 2023FA0000769](https://openairdocs.org/sdr/2023FA0000769), Jun 30, 2023: O-RING. MISSING. DURING LATEST INSPECTION IT WAS REQUIRED TO OPEN UP THE LOWER WING ROOT PANELS. WHEN LOWERED I NOTICED A SMALL AMOUNT OF FUEL ON THE TOP SIDE OF THE PANEL. THE 
- [SDR 2023FA0000040](https://openairdocs.org/sdr/2023FA0000040), Jan 20, 2023: EXHAUST DUCT. BLOCKED. SECONDARY EXHAUST DUCT CRACKED AND PARTIALLY BLOCKED EXHAUST DUCT CAUSING EXHAUST GAS TO ENTER CABIN ALONG WITH SMOKE FROM MELTING DEBRIS.. PROBABLE CAUSE COLD 
- [SDR 6CBA2023012623026](https://openairdocs.org/sdr/6CBA2023012623026), Jan 20, 2023: LEAD. FAULTED. DURING A ROUTINE FLIGHT FROM KBOX TO KCYUL, THE FLIGHT CREW NOTED A PROP DE-ICE FAIL CAS IN FLIGHT. THE CREW DECLARED AN EMERGENCY AND DIVERTED TO KCYUL. THE AI
- [SDR QMLA2022111720075](https://openairdocs.org/sdr/QMLA2022111720075), Nov 13, 2022: FLAP SYSTEM. MALFUNCTIONED. AFTER TAKEOFF, WHEN THE FLAPS WERE RAISED FROM 15 TO 0, THEY FROZE AT 14 WITH "FLAP" AND "PUSHER' ANNUNCIATIONS. DECLARED AN EMERGENCY AND LANDED AT KABQ UNEVEN
- [SDR 2022F00374](https://openairdocs.org/sdr/2022F00374), Sep 29, 2022: ATTACH BOLT. CRACKED. MLG SKI ATTACH BOLT CRACKED AND DEFORMED.
- [SDR FXTA20221114004](https://openairdocs.org/sdr/FXTA20221114004), Aug 10, 2022: PRESSURE SWITCH. FAILED. LOW FUEL PRESSSSSURE CASS MESSAGE. SENOR ON ENGINE FAILED
- [SDR QMLA2022080520049](https://openairdocs.org/sdr/QMLA2022080520049), Aug 4, 2022: SWITCH. FAULTED. CARGO DOOR WARNING LIGHT ILLUMINATED ON DESCENT IN KMSY PASSING THROUGH 11,000 FT. THE CREW WAS INSTRUCTED TO FASTEN SEATBELTS. THE QRH PROCEDURE WAS FOLLOWED. 
- [SDR QMLA2022072220044](https://openairdocs.org/sdr/QMLA2022072220044), Jul 17, 2022: GROUND STUD. CORRODED. AFTER TAKEOFF DURING THE CLIMB JUST AFTER THE GEAR SELECTED UP THE GEN 1 FAILURE. JUST REQUESTED TO THE CONTROL TO RETURN TO THE FIELD AND EXECUTED THE PROCEDUR
- [SDR G1IA20220714028](https://openairdocs.org/sdr/G1IA20220714028), Jul 14, 2022: MOTOR. FAILED. WHILE ENROUTE TO KOGD, I RECEIVED A HYD FLUID LOW LIGHT IN FLIGHT AND THEN IT EXTINGUISHED, I TESTED THE HYDRAULIC FLUID SENSOR AND RECEIVED NORMAL INDICATIONS.
- [SDR DATA07162021001](https://openairdocs.org/sdr/DATA07162021001), Jul 16, 2021: GOVERNOR. INOPERATIVE. LEFT ENGINE RPM BEGAN FLUCTUATING EN-ROUTE FROM KCAE-KMYR. FLUCTUATION GOT WORSE AS FLIGHT CONTINUED, SO THE ENGINE WAS SHUT DOWN. AIRCRAFT MADE AN UNEVENTFUL S
- [SDR RU3A201912067071](https://openairdocs.org/sdr/RU3A201912067071), Nov 27, 2019: SWITCH. FAILED. L BL AIR FAIL LIGHT 1 HR INTO FLIGHT. LIGHT RESET WITH PNEU/ENV OFF. ILLUMINATED 30" LATER. RESET WITH PNEU/ENV OFF. NEVER ILLUMINATED AGAIN FOR .8 FLIGHT TIME.
- [SDR CA190808004](https://openairdocs.org/sdr/CA190808004), Aug 1, 2019: LONGERON. CRACKED. (CAN) 2 CRACKS FOUND ON UPPER L/H REAR LONGERON. AIRCRAFT ALLOWED TO CONTINUE SERVICE FOR 100 HRS IN ACCORDANCE WITH PRODUCT SUPPORT AND ENGINEERING DAILY CRACK
- [SDR CA190821002](https://openairdocs.org/sdr/CA190821002), Jul 31, 2019: ENGINE. MALFUNCTIONED. (CAN) APPROXIMATELY 5-10 MINUTES AFTER TAKEOFF, THE PILOT HEARD AN AUDIBLE SPIN UP FROM THE PROPELLER FOLLOWED BY A SLIGHT SHUDDER OF THE AIRCRAFT. THE PROPELLE
- [SDR CA190731019](https://openairdocs.org/sdr/CA190731019), Jul 29, 2019: CONTROL MODULE. CRACKED. (CAN) NO. 2 HYDRAULIC PRESSURE CONTROL MODULE (PCM) DISCOVERED WITH A CRACK ON THE NUMBER 4 HYDRAULIC PUMP SUCTION BOX OF THE MODULE. #2 HYDRAULIC PCM REPLACED 
- [SDR CA190604022](https://openairdocs.org/sdr/CA190604022), Jun 4, 2019: CABLE. OUT OF RIG. (CAN) ON INSPECTION, FACTORY LEAD SEAL BROKEN AND LIFE RAFT ACTUATING CABLES WERE FOUND TO BE OUT OF RIG I.A.W. MANUFACTURES ICA DIMENSIONS (PARA 4.4.6 & 4.4.7)
- [SDR CA190529010](https://openairdocs.org/sdr/CA190529010), May 28, 2019: BOLT. DEFECTIVE. (CAN) A REPLACEMENT ATTACH BOLT FOR THE FLIGHT CONTROL RODS WAS PURCHASED & RECEIVED BY NWA STORES. UPON PRE-INSTALLATION INSPECTION OF THE BOLT, (P/N NAS464P5-
- [SDR CA190417009](https://openairdocs.org/sdr/CA190417009), Apr 17, 2019: PRESSURE SWITCH. MALFUNCTIONED. (CAN) ON A PREFLIGHT WALK AROUND COPILOT FOUND WHEN DOING HIS FUEL CHECKS THAT THE R/H FUEL PRESSURE CAS MESSAGE WOULD NOT EXTINGUISH. DURING TROUBLE SHOOTING F
- [SDR CA190411008](https://openairdocs.org/sdr/CA190411008), Apr 9, 2019: DRAIN VALVE. INOPERATIVE. (CAN) DEFECT: RH FUEL DRAIN DRIPPING FUEL WHEN SAMPLED. RECTIFICATION: FOUND DRAIN VALVE MISSING FROM ASSEMBLY. DRAIN ASSEMBLY REPLACED REF 39-A-28-11-05-00A-72
- [SDR CA190315005](https://openairdocs.org/sdr/CA190315005), Feb 28, 2019: WIRE HARNESS. DAMAGED. (CAN) DURING REFUELING OPERATION, NO.1 ENGINE ITT INCREASED UP TO 790 C AT WHICH THE PILOT REDUCED THE ENGINE TO IDLE POSITION AND THEN ENGINE ITT DROPPED TO 65
- [SDR DATA2018120300001](https://openairdocs.org/sdr/DATA2018120300001), Nov 29, 2018: GOVERNOR. FAILED. CREW EXPERIENCED ENGINE FAILURE SHORTLY AFTER DEPARTING SDQ. THE FAILURE OCCURRED APPROXIMATELY 40 MILES WEST OF SDQ. AFTER ANALYZING THE PROBLEM THE CREW HANDL
- [SDR QMLA2018052118061](https://openairdocs.org/sdr/QMLA2018052118061), May 21, 2018: CASE. DAMAGED. ON REMOVING THE TAIL ROTOR GEARBOX COWLING TO PERFORM AN INSPECTION, NOTED DAMAGE TO THE GEARBOX CASE CAUSED BY IMPROPER HARDWARE LOCATION. DAMAGE WAS NOTED TO 
- [SDR FXTA201804100154](https://openairdocs.org/sdr/FXTA201804100154), Apr 10, 2018: PRESSURE SWITCH. FAILED. LOW FUEL PRESSURE LIGHT CAME ON DURING START-UP. SENSOR ON ENGINE HAD FAILED.
- [SDR DATA2018012301](https://openairdocs.org/sdr/DATA2018012301), Jan 23, 2018: STARTER GEN. FAILED. LEFT ENGINE STARTER GENERATOR FAILED INFLIGHT, WHILE IN ICING CONDITIONS. DECLARED AN EMERGENCY AND LANDED.
- [SDR COEA2017092801983](https://openairdocs.org/sdr/COEA2017092801983), Sep 28, 2017: INDICATOR. FAILED. 20 MINUTES AFTER DEPARTURE, THE NG INDICATION DROPPED TO 20 PERCENT AT FULL POWER. ALL OTHER ENGINE PARAMETERS WERE NORMAL. THE PILOT DECLARED AN EMERGENCY AND 
- [SDR QMLA2017041717041](https://openairdocs.org/sdr/QMLA2017041717041), Apr 20, 2017: FITTING. LOOSE. OPE ECS/PRESSURIZATION FAIL ON CLIMB AT APPROXIMTELY 13000 FT, ALSO FAILED HOLDING CABIN PRESSURE ON MANUAL MODE. OPEN ACCESS PANEL BELOW COPILOT SEAT. FOUND A 
- [SDR QMLA2016120916142](https://openairdocs.org/sdr/QMLA2016120916142), Dec 9, 2016: SUPPORT FRAME. CRACKED. A 1 INCH CRACK WAS LOCATED AT BS 4010 AFT OF FORWARD LOWER ENGINE COWLING LATCH. CRACK ORIGINATED AT THE 90 DEGREE BEND OF THE BASE TO THE EDGE OF THE MATERIAL.
- [SDR COEA2016103101863](https://openairdocs.org/sdr/COEA2016103101863), Oct 31, 2016: FUEL CONTROL. MALFUNCTIONED. WHILE ENROUTE , THE POWER LEVER WOULD NOT REMAIN IN FORWARD POSITION. PILOT ELECTED TO RETURN TO DEPARTURE. NO EMERGENCY DECLARED. MAINTENANCE TROUBLESHOT, AND 
- [SDR QMLA2016092116109](https://openairdocs.org/sdr/QMLA2016092116109), Sep 12, 2016: RETAINER. CRACKED. ON THE EVENING OF 9/21/2016, A CRACK WAS DISCOVERED VERTICALLY ADJACENT OF THE LT A/F DOOR PILLAR LATCH DURING A PREFLIGHT BY THE PILOT. A REPAIR SCHEME HAS BEE
- [SDR COEA2016073001897](https://openairdocs.org/sdr/COEA2016073001897), Jul 30, 2016: ELBOW. FRACTURED. ON START UP OF THE AIRCRAFT, AN OIL LEAK FROM THE FORWARD ENGINE COMPARTMENT WAS NOTICED. THE PILOT IMMEDIATELY SHUT DOWN THE ENGINE. MAINTENANCE REPLACED THE O
- [SDR BWVR14XR](https://openairdocs.org/sdr/BWVR14XR), Jun 18, 2016: SHUTOFF VALVE. STUCK. PILOT REPORTED THE HE HAD A LT BLEED AIR FAIL IN FLIGHT. WE TROUBLESHOT THE SYSTEM AND FOUND THE LT BRAKE DEICE SHUTOFF VALVE STUCK OPEN. THIS CAUSED THE EVA TU
- [SDR QMLA2016051116048](https://openairdocs.org/sdr/QMLA2016051116048), May 11, 2016: VERTICAL GYRO. UNSERVICEABLE. DURING CRUISE FLIGHT, APPROX 30 MINS INTO THE RETURN LEG, EXPERIENCED A SINGLE & SEVERE JERK & BUMP THROUGH THE ACFT. THE PILOT CONSIDERED THE BUMP SEVERE ENOUG
- [SDR QMLA2016042016042](https://openairdocs.org/sdr/QMLA2016042016042), Apr 20, 2016: INLET SCREEN. OBSTRUCTED. AT APPROX 2000 LOCAL TIME, DURING CRUISE FLIGHT, CREW COMPLAINED OF AN ELEC BURNING SMELL. PILOT NOTICED IT SOON AFTERWARD. SHUT OFF A/C, SMELL REMAINED BUT FAD
- [SDR QMLA2016031416026](https://openairdocs.org/sdr/QMLA2016031416026), Mar 14, 2016: RELAY. INOPERATIVE. THE RUDDER TRIM TAB WASN’T OPERATING & STUCK IN FULL RT POSITION. UPON ARRIVING, PROCEEDED TO PERFORM A VISUAL INSPECTION OF RUDDER & TRIM SYS, NO VISUAL DAMAGE

All 884: https://openairdocs.org/engine/pratt-whitney-pt6-series/reports.md

## STCs that may be installed (OpenAirDocs) (58, first 50)

Approved for this engine 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 SE12225AC](https://openairdocs.org/stc/SE12225AC): This STC will incorporate P&W 1700 rpm propeller reduction gearbox on P&WC engines to allow 1700 rpm propeller installation. High Cotton Aircraft Conversions, LLC. Lists PT6A-41
- [STC SE00010EN](https://openairdocs.org/stc/SE00010EN): Instructions for Continued Airworthiness for the PT6A-25, and, -25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc. Lists PT6A-25
- [STC SE000010EN](https://openairdocs.org/stc/SE000010EN): Instructions for Continued Airworthiness for the PT6A-25 and PT6A-25A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company, Inc. Lists PT6A-25
- [STC SE000011EN](https://openairdocs.org/stc/SE000011EN): Instructions for Continued Airworthiness for the PT6A-25C engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company, Inc. Lists PT6A-25C
- [STC SE00001EN](https://openairdocs.org/stc/SE00001EN): Engines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 2, 8/16/95. MORE Company Inc. Lists PT6A-38
- [STC SE00002EN](https://openairdocs.org/stc/SE00002EN): Instructions for Continued Airworthiness for the PT6A-34, -34AG, -34B, -36, -114, -114A, -116, -135, and -135A engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc. Lists PT6A-114
- [STC SE00003EN](https://openairdocs.org/stc/SE00003EN): Instructions for Continued Airworthiness for the PT6A-6/C20, -20, -20A and, -20B engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc. Lists PT6A-20
- [STC SE00004EN](https://openairdocs.org/stc/SE00004EN): Instructions for Continued Airworthiness for the PT6A-11, -11AG, -15AG, -110 and-112 engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc. Lists PT6A-11
- [STC SE00006EN](https://openairdocs.org/stc/SE00006EN): Instructions for Continued Airworthiness for the PT6A-45A, -45B, and, -45R engine models that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc. Lists PT6A-45A
- [STC SE00011EN](https://openairdocs.org/stc/SE00011EN): Instructions for Continued Airworthiness for the PT6A-25C engine model that define specific maintenance tasks and their associated maintenance schedules, and that are used as a supplement to the applicable Pratt & Whitney Canada manuals. MORE Company Inc. Lists PT6A-25C
- [STC SE000EN](https://openairdocs.org/stc/SE000EN): Engines will be maintained IAW 'Maintenance or Reliable Engines(MORE) Program,' Rev 4, dated 8/16/95. MORE Company Inc. Lists PT6A-21
- [STC SE10947SC](https://openairdocs.org/stc/SE10947SC): The conversion of the Pratt & Whitney Canada, Model PT6A-21 to a PT6A-28 turboprop engine. Prime Turbines. Lists PT6A-21
- [STC SE00482SE](https://openairdocs.org/stc/SE00482SE): Incorporation of turbine engine into a twin power section turboprop assembly. Fifty-Ten-Yankee LLC. Lists PT6A-114A
- [STC SE10552SC](https://openairdocs.org/stc/SE10552SC): Conversion of Pratt & Whitney Canada Corp. Model PT6A-27 or -28 to a Model PT6A-34 turboprop engine. Prime Turbines LLC. Lists PT6A-27
- [STC SE11139SC](https://openairdocs.org/stc/SE11139SC): The conversion of the Pratt & Whitney Canada, Model PT6A-135 to a PT6A-135A turboprop engine. Airforce Turbine Service. Lists PT6A-135
- [STC SE11141SC](https://openairdocs.org/stc/SE11141SC): The conversion of the Pratt & Whitney Canada, Model PT6A-15AG to a PT6A-34AG turboprop engine. RT Turbines Inc. Lists PT6A-15AG
- [STC SE02170AT](https://openairdocs.org/stc/SE02170AT): Installation of Pc Safety Valve Kit. Bell Helicopter Textron Inc. Lists PT6A-27
- [STC SE11095SC](https://openairdocs.org/stc/SE11095SC): The conversion of the Pratt & Whitney Canada, Model PT6A-27 to a PT6A-34 turboprop engine. R.T. Turbines, Inc. Lists PT6A-27
- [STC SE01624WI](https://openairdocs.org/stc/SE01624WI): Conversion of Pratt & Whitney Canada, Model PT6A-60A to a North Star Aviation PT6A-60AG turboprop engine. Data required: 1. A copy of this certificate 2. North Star Aviation document, NSA No. 1200, Turboprop Engine Conversion of PT6A-60A Model to PT6A-60AG Configuration per FAA Approved STC , dated March 15, 2011, or later FAA approved revision 3. The ICA supplement for North Star Aviation PT6A-60AG models, Instructions for Continued Airworthiness, NSA No. 1200-ICA, Rev NC, dated March 9, 2011 or later applicable revision. North Star Aviation Inc. Lists PT6A-60A
- [STC SE02837NY](https://openairdocs.org/stc/SE02837NY): The conversion of the Pratt & Whitney Canada PT6A-21 engine to operate as a PT6A-28 engine to be done. Rocky Mountain Aircraft. Lists PT6A-21
- [STC SE02688NY](https://openairdocs.org/stc/SE02688NY): This modification would incorporate improved compressor components into the Pratt & Whitney PT6A-28 engine from the PT6A-135A engine. Standard Aero Limited. Lists PT6A-28
- [STC SE02290NY](https://openairdocs.org/stc/SE02290NY): Conversion of a Pratt & Whitney Canada PT6A-21 engine to operate as a PT6A-27 or -28 engine. Vector Aerospace Engine Services Atlantic Inc. Lists PT6A-21
- [STC SE02501NY](https://openairdocs.org/stc/SE02501NY): Conversion of the PT6A-11 engine. Vector Aerospace Engine Services Atlantic Inc. Lists PT6A-11
- [STC SE00014EN](https://openairdocs.org/stc/SE00014EN): Installation of the Pratt & Whitney Engine Services, Inc. CrossCheck Engine Monitor Kit P/N HUMS-K-071-1, Rev. A on the specified PT6A engine models and kit P/N HUMS-K-071-2 on the specified A250 engine models. Pratt & Whitney Engine Services Inc. Lists PT6A-11
- [STC SE00020EN](https://openairdocs.org/stc/SE00020EN): Installation of the Pratt & Whitney Engine Services, Inc. TrendCheck/ TrendCheck Plus Engine Monitor Kit P/N TREND-K-010-1. Pratt & Whitney Engine Services Inc. Lists PT6A-11
- [STC SE8652SW](https://openairdocs.org/stc/SE8652SW): Installation of a flexible hose from the Propeller Primary Governor to the Fuel Control Unit. Air Tractor Inc. Lists PT6A-45R
- [STC SE02357NY](https://openairdocs.org/stc/SE02357NY): Installation of the Pratt & Whitney Canada, PT6A-135, dual fuel feed line configuration. Standard Aero Inc. Lists PT6A-135A
- [STC SE2960SO](https://openairdocs.org/stc/SE2960SO): Installation of an oil filler cap safety adapter. Jet Avion Corporation. Lists PT6A-11
- [STC SE02273NY](https://openairdocs.org/stc/SE02273NY): Conversion of a Pratt & Whitney Canada PT6A-27 or PT6A-28 engine to operate as a PT6A-34 engine. Atlantic Turbines International Inc. Lists PT6A-27
- [STC SE1123GL](https://openairdocs.org/stc/SE1123GL): Installation of a Shadin Co Digital Fuel Flow Transducer. Shadin Avionics. Lists PT6T-3
- [STC SE615GL](https://openairdocs.org/stc/SE615GL): Incorporation of a fuel flow transducer. Shadin Avionics. Lists PT6A-11
- [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc. Lists PT6A-11
- [STC SE00022EN](https://openairdocs.org/stc/SE00022EN): Installation of Oil Tank Filler Neck Check Valve. Helicopter Support Inc Services Div. Lists PT6A-66
- [STC SE09413SC](https://openairdocs.org/stc/SE09413SC): Install modified gas generator module. Airforce Turbine Service. Lists PT6A-41
- [STC SE00856NY](https://openairdocs.org/stc/SE00856NY): Conversion of PT6A-41 engine model to PT6A-42 engine model. Standard Aero Limited. Lists PT6A-41
- [STC SE00691NY](https://openairdocs.org/stc/SE00691NY): Conversion of engine models PT6A-27 and -28 to Model PT6A-34 as described in Temporary Overhaul Data Revision. Standard Aero Limited. Lists PT6A-27
- [STC SE09286SC](https://openairdocs.org/stc/SE09286SC): Installation of an alternate gas generator case. Airforce Turbine Service. Lists PT6A-114
- [STC SE09257SC](https://openairdocs.org/stc/SE09257SC): Convert P&W Engine Models PT6A-15AG, -27, and -28, into PT6A-34 configuration. Covington Aircraft Engines, Inc. Lists PT6A-11
- [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support. Lists PT6A-11
- [STC SE09144SC](https://openairdocs.org/stc/SE09144SC): Installation of an alternate gas generator case. Airforce Turbine Service. Lists PT6A-41
- [STC SE8827SW](https://openairdocs.org/stc/SE8827SW): Modification to exhaust duct P/N 3109946-01. Air Tractor, Inc. Lists PT6A-67
- [STC SE1122EA](https://openairdocs.org/stc/SE1122EA): Repair of combustion chamber small exit duct, P/N 3012060. Airwork Corporation. Lists PT6A-11
- [STC SE8319SW](https://openairdocs.org/stc/SE8319SW): Conversion of P&W Canada PT6A-15AG to PT6A-27 model configuration. Airforce Turbine Service. Lists PT6A-15AG
- [STC SE7677SW](https://openairdocs.org/stc/SE7677SW): Modifiy the P&W Canada PT-6A-27, -28, -15AG to the PT6A-34 configuration. Airforce Turbine Service. Lists PT6A-15AG
- [STC SE1251GL](https://openairdocs.org/stc/SE1251GL): Conversion of engine Model PT6A-27 to Model PT6A-34. Turbines, Inc. Lists PT6A-27
- [STC SE539NE](https://openairdocs.org/stc/SE539NE): Modification of compressor turbine sealing segments to incorporate honeycomb material on the inside diameter thereby providing an abradable surface for turbine blade contact. Airwork Corporation. Lists PT6A-34
- [STC SE1269EA](https://openairdocs.org/stc/SE1269EA): Stripping and recoating of compressor turbine blades, P/N 3023401, with Walbar Metals, Inc. Airwork Corporation. Lists PT6A-11
- [STC SE386NE](https://openairdocs.org/stc/SE386NE): Installation of Turbo Products PMA parts. Audco Corporation. Lists PT6A-11
- [STC SE355NE](https://openairdocs.org/stc/SE355NE): Conversion of engine model PT6A-27 to model PT6A-34. Van Dusen Turbine Products. Lists PT6A-27
- [STC SE241NE](https://openairdocs.org/stc/SE241NE): Conversion of engine Models PT6A-27 and -28 to 01/157/3. Airwork Corporation. Lists PT6A-27

All 58: https://openairdocs.org/engine/pratt-whitney-pt6-series/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 engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026
- [3022834CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159372011320260528133243.0001): Sleeve, First Stage Reduction Carrier. Core Parts LLC · PMA PQ05326NM · Replaces 3022834 · Apr 17, 2026
- [3022834CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID159372011320260528133243.0001): Sleeve, First Stage Reduction Carrier. Core Parts LLC · PMA PQ05326NM · Replaces 3022834 · Apr 17, 2026
- [3012457KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180930006920260616142156.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012457 · Mar 24, 2026
- [3012457KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180930006920260616142156.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012457 · Mar 24, 2026
- [3012456KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167574484520260616142156.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012456 · Mar 24, 2026
- [3012456KT](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID167574484520260616142156.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012456 · Mar 24, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [3028815CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119353433120260311145425.0001): Sleeve, Propeller Shaft, Oil Transfer. Core Parts LLC · PMA PQ05326NM · Replaces 3028815 · Feb 26, 2026
- [3028815CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119353433120260311145425.0001): Sleeve, Propeller Shaft, Oil Transfer. Core Parts LLC · PMA PQ05326NM · Replaces 3028815 · Feb 26, 2026
- [ST3278-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID116739255220260311145337.0001): Gasket, Engine Accessory Drive. Core Parts LLC · PMA PQ05326NM · Replaces ST3278-01 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [3012456ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183964715720260330191202.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012456 · Feb 11, 2026
- [3012456ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183964715720260330191202.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012456 · Feb 11, 2026
- [3021848CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID181188254020260217165221.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3021848 · Feb 11, 2026
- [3112608-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171267029020260217165222.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3112608-01 · Feb 11, 2026
- [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026
- [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026
- [3012457ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117485990820260330191202.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012457 · Feb 11, 2026
- [3012457ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117485990820260330191202.0001): Seal, Ring, Non-Metallic. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3012457 · Feb 11, 2026
- [3109585-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117456133120260217165221.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3109585-01 · Feb 11, 2026
- [3109585-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117456133120260217165221.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3109585-01 · Feb 11, 2026
- [3109585-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117456133120260217165221.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3109585-01 · Feb 11, 2026
- [3109585-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117456133120260217165221.0001): Spacer, Oil Slinger. Core Parts LLC · PMA PQ05326NM · Replaces 3109585-01 · Feb 11, 2026
- [3101525-02TA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166975379720260313160523.0001): Gear Set, Planet, First Stage Reduction. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 3101525-02 · Feb 3, 2026
- [3028456TA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID108019309120260313160525.0001): Gear Set, Sun, First Stage Reduction. Extex Engineered Products Inc. · PMA PQ2203NM · Replaces 3028456 · Feb 3, 2026
- [ST6202-224CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199335748220260217164944.0001): Packing Preformed. Core Parts LLC · PMA PQ05326NM · Replaces ST6202-224 · Jan 29, 2026

All of them: https://openairdocs.org/engine/pratt-whitney-pt6-series/pma.md

---
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