# Pratt & Whitney Canada PT6A-15AG

- Type: Engine model (FAA registry)
- Registry code: 52246
- Manufacturer (registry): P&W CANADA
- Model: PT6A-15AG
- Engine type: Turbo-prop
- Power: 680 hp
- Data sheet: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (OpenAirDocs)
- Holder: Pratt & Whitney Canada Corp.
- Installed in: 40 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-15ag

Model codes come from the FAA registry's reference file.

## 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 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 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 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 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 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 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 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

## Information bulletins (advisory) (1)

- [SAIB NE-12-04](https://openairdocs.org/saib/NE-12-04): Turbine/ Turboprop Engine: Reduction Gearbox. Issued Nov 1, 2011

## Registered aircraft (40)

- [N1007W](https://openairdocs.org/aircraft/N1007W): [Air Cover LLC](https://openairdocs.org/faa-owner/AIR%20COVER%20LLC), [Frankford, MO](https://openairdocs.org/faa-place/MO/Frankford), built 1988, S/N 502-0032
- [N116KN](https://openairdocs.org/aircraft/N116KN): [Clear Skies Aviation LLC](https://openairdocs.org/faa-owner/CLEAR%20SKIES%20AVIATION%20LLC), [Reserve, MT](https://openairdocs.org/faa-place/MT/Reserve), built 2008, S/N 402B1202
- [N117LH](https://openairdocs.org/aircraft/N117LH): [Emerald City Aircraft Leasing Inc](https://openairdocs.org/faa-owner/EMERALD%20CITY%20AIRCRAFT%20LEASING%20INC), [Port Orchard, WA](https://openairdocs.org/faa-place/WA/Port%20Orchard), built 1997, S/N LIV-226
- [N1534D](https://openairdocs.org/aircraft/N1534D): [Edge Aviation LLC](https://openairdocs.org/faa-owner/EDGE%20AVIATION%20LLC), [Moberly, MO](https://openairdocs.org/faa-place/MO/Moberly), built 1992, S/N 402A-0855
- [N240DL](https://openairdocs.org/aircraft/N240DL): [Blue Earth Flying Service LLC](https://openairdocs.org/faa-owner/BLUE%20EARTH%20FLYING%20SERVICE%20LLC), [Blue Earth, MN](https://openairdocs.org/faa-place/MN/Blue%20Earth), built 2011, S/N 402B-1240
- [N246LA](https://openairdocs.org/aircraft/N246LA): [Chambers County](https://openairdocs.org/faa-owner/CHAMBERS%20COUNTY), [Anahuac, TX](https://openairdocs.org/faa-place/TX/Anahuac), built 2018, S/N 402B-1400
- [N274AT](https://openairdocs.org/aircraft/N274AT): [Boardman Air Service LLC](https://openairdocs.org/faa-owner/BOARDMAN%20AIR%20SERVICE%20LLC), [Henderson, NE](https://openairdocs.org/faa-place/NE/Henderson), built 2012, S/N 402B-1251
- [N281DL](https://openairdocs.org/aircraft/N281DL): [Thisius Flying Service Llp](https://openairdocs.org/faa-owner/THISIUS%20FLYING%20SERVICE%20LLP), [Wells, MN](https://openairdocs.org/faa-place/MN/Wells), built 2013, S/N 402B-1281
- [N281LA](https://openairdocs.org/aircraft/N281LA): [Boedeker Flying Service East LLC](https://openairdocs.org/faa-owner/BOEDEKER%20FLYING%20SERVICE%20EAST%20LLC), [Childress, TX](https://openairdocs.org/faa-place/TX/Childress), built 2008, S/N 402B-1201
- [N291DL](https://openairdocs.org/aircraft/N291DL): [Northstar Aero Spray Inc](https://openairdocs.org/faa-owner/NORTHSTAR%20AERO%20SPRAY%20INC), [Clara City, MN](https://openairdocs.org/faa-place/MN/Clara%20City), built 2008, S/N 402B-1199
- [N3038P](https://openairdocs.org/aircraft/N3038P): [Agri-Tech Aviation Inc](https://openairdocs.org/faa-owner/AGRI-TECH%20AVIATION%20INC), [Indianola, IA](https://openairdocs.org/faa-place/IA/Indianola), built 2013, S/N 402B-1284
- [N321DA](https://openairdocs.org/aircraft/N321DA): [Sherer Robert O](https://openairdocs.org/faa-owner/SHERER%20ROBERT%20O), [Deadwood, SD](https://openairdocs.org/faa-place/SD/Deadwood), built 1991, S/N 402A-0814
- [N3650D](https://openairdocs.org/aircraft/N3650D): [Woodley Aerial Leasing LLC](https://openairdocs.org/faa-owner/WOODLEY%20AERIAL%20LEASING%20LLC), [Walnut, IL](https://openairdocs.org/faa-place/IL/Walnut), built 1980, S/N 302-0240
- [N3652Z](https://openairdocs.org/aircraft/N3652Z): [Cotton Ag Inc](https://openairdocs.org/faa-owner/COTTON%20AG%20INC), [Walters, OK](https://openairdocs.org/faa-place/OK/Walters), built 1980, S/N 400-0256
- [N400DQ](https://openairdocs.org/aircraft/N400DQ): [Oregon Trail Air Service LLC](https://openairdocs.org/faa-owner/OREGON%20TRAIL%20AIR%20SERVICE%20LLC), [Nyssa, OR](https://openairdocs.org/faa-place/OR/Nyssa), S/N 301-0343
- [N402DG](https://openairdocs.org/aircraft/N402DG): [North Central Aviation LLC](https://openairdocs.org/faa-owner/NORTH%20CENTRAL%20AVIATION%20LLC), [Valentine, NE](https://openairdocs.org/faa-place/NE/Valentine), built 1999, S/N 402A-1091
- [N402FH](https://openairdocs.org/aircraft/N402FH): [Aasjng LLC](https://openairdocs.org/faa-owner/AASJNG%20LLC), [Holdrege, NE](https://openairdocs.org/faa-place/NE/Holdrege), S/N 402B-1254
- [N402JW](https://openairdocs.org/aircraft/N402JW): [Keahey Aviation LLC](https://openairdocs.org/faa-owner/KEAHEY%20AVIATION%20LLC), [West Monroe, LA](https://openairdocs.org/faa-place/LA/West%20Monroe), S/N 402B-1249
- [N402KK](https://openairdocs.org/aircraft/N402KK): [Kevin Kingsley LLC](https://openairdocs.org/faa-owner/KEVIN%20KINGSLEY%20LLC), [Lamar, MO](https://openairdocs.org/faa-place/MO/Lamar), built 2020, S/N 402B-1430
- [N402PR](https://openairdocs.org/aircraft/N402PR): [Barts Flying Service Inc](https://openairdocs.org/faa-owner/BARTS%20FLYING%20SERVICE%20INC), [Storm Lake, IA](https://openairdocs.org/faa-place/IA/Storm%20Lake), built 2013, S/N 402B-1282
- [N402TT](https://openairdocs.org/aircraft/N402TT): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 2013, S/N 402B-1304
- [N402Y](https://openairdocs.org/aircraft/N402Y): [Sky West Aviation Inc Trustee](https://openairdocs.org/faa-owner/SKY%20WEST%20AVIATION%20INC%20TRUSTEE), [Albuquerque, NM](https://openairdocs.org/faa-place/NM/Albuquerque), built 2013, S/N 402B-1285
- [N41068](https://openairdocs.org/aircraft/N41068): [Woodley Aerial Leasing LLC](https://openairdocs.org/faa-owner/WOODLEY%20AERIAL%20LEASING%20LLC), [Walnut, IL](https://openairdocs.org/faa-place/IL/Walnut), S/N 402B-1174
- [N4172U](https://openairdocs.org/aircraft/N4172U): [Ski Ag Aviation LLC](https://openairdocs.org/faa-owner/SKI%20AG%20AVIATION%20LLC), [Bismarck, ND](https://openairdocs.org/faa-place/ND/Bismarck), built 2010, S/N 402B-1228
- [N4215W](https://openairdocs.org/aircraft/N4215W): [Aero Applicators Inc](https://openairdocs.org/faa-owner/AERO%20APPLICATORS%20INC), [Sterling, CO](https://openairdocs.org/faa-place/CO/Sterling), built 2009, S/N 402B-1211
- [N428JJ](https://openairdocs.org/aircraft/N428JJ): [Kingrey William S](https://openairdocs.org/faa-owner/KINGREY%20WILLIAM%20S), [Richmond, TX](https://openairdocs.org/faa-place/TX/Richmond), built 2014, S/N 402B-1307
- [N42EA](https://openairdocs.org/aircraft/N42EA): [Escott Aerial Spraying LLC](https://openairdocs.org/faa-owner/ESCOTT%20AERIAL%20SPRAYING%20LLC), [El Reno, OK](https://openairdocs.org/faa-place/OK/El%20Reno), built 2012, S/N 402B-1269
- [N475LA](https://openairdocs.org/aircraft/N475LA): [Post Rock Aviation Inc](https://openairdocs.org/faa-owner/POST%20ROCK%20AVIATION%20INC), [Lincoln, KS](https://openairdocs.org/faa-place/KS/Lincoln), built 2006, S/N 402B-1175
- [N482AT](https://openairdocs.org/aircraft/N482AT): [Aerinova Aerial LLC](https://openairdocs.org/faa-owner/AERINOVA%20AERIAL%20LLC), [Mattoon, IL](https://openairdocs.org/faa-place/IL/Mattoon), built 2013, S/N 402B-1280
- [N502PB](https://openairdocs.org/aircraft/N502PB): [Hershey Flying Service Inc](https://openairdocs.org/faa-owner/HERSHEY%20FLYING%20SERVICE%20INC), [David City, NE](https://openairdocs.org/faa-place/NE/David%20City), built 1998, S/N 502B-0500
- [N502RC](https://openairdocs.org/aircraft/N502RC): [Mid-State Avaition II Inc](https://openairdocs.org/faa-owner/MID-STATE%20AVAITION%20II%20INC), [Cozad, NE](https://openairdocs.org/faa-place/NE/Cozad), built 1996, S/N 502B-0348
- [N502WD](https://openairdocs.org/aircraft/N502WD): [Over And Under Flying Service DBA](https://openairdocs.org/faa-owner/OVER%20AND%20UNDER%20FLYING%20SERVICE%20DBA), [Knox, IN](https://openairdocs.org/faa-place/IN/Knox), built 1995, S/N 502B0320
- [N508HM](https://openairdocs.org/aircraft/N508HM): [Dt Pralle Enterprise Inc](https://openairdocs.org/faa-owner/DT%20PRALLE%20ENTERPRISE%20INC), [Hampton, IA](https://openairdocs.org/faa-place/IA/Hampton), built 1994, S/N 502B-0268
- [N712GS](https://openairdocs.org/aircraft/N712GS): [At402 LLC](https://openairdocs.org/faa-owner/AT402%20LLC), [Banquete, TX](https://openairdocs.org/faa-place/TX/Banquete), built 2007, S/N 402B-1189
- [N81400](https://openairdocs.org/aircraft/N81400): [E&D Farms LLC](https://openairdocs.org/faa-owner/E%26D%20FARMS%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 1981, S/N 400-0353
- [N874MR](https://openairdocs.org/aircraft/N874MR): [Loewen Air LLC](https://openairdocs.org/faa-owner/LOEWEN%20AIR%20LLC), [Park River, ND](https://openairdocs.org/faa-place/ND/Park%20River), built 2011, S/N 402B-1239
- [N927JP](https://openairdocs.org/aircraft/N927JP): [Bair Aviation Inc](https://openairdocs.org/faa-owner/BAIR%20AVIATION%20INC), [Lake City, SD](https://openairdocs.org/faa-place/SD/Lake%20City), built 2008, S/N 402B-1203
- [N928GP](https://openairdocs.org/aircraft/N928GP): [402wd Holdings LLC](https://openairdocs.org/faa-owner/402WD%20HOLDINGS%20LLC), [Robstown, TX](https://openairdocs.org/faa-place/TX/Robstown), built 2011, S/N 402B1242
- [N957CW](https://openairdocs.org/aircraft/N957CW): [Wischer Enterprises LLC](https://openairdocs.org/faa-owner/WISCHER%20ENTERPRISES%20LLC), [Grandin, ND](https://openairdocs.org/faa-place/ND/Grandin), built 2011, S/N 402B-1245
- [N976CW](https://openairdocs.org/aircraft/N976CW): [Fisher Spray Service LLC](https://openairdocs.org/faa-owner/FISHER%20SPRAY%20SERVICE%20LLC), [Cardington, OH](https://openairdocs.org/faa-place/OH/Cardington), built 2010, S/N 402B-1227

## NTSB investigations (11)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB CEN25LA276](https://openairdocs.org/ntsb/CEN25LA276), Jul 22, 2025: Air Tractor AT-402A (N1534D), Centralia, MO, substantial damage. Probable cause: The pilot’s failure to maintain clearance from power lines during low-level maneuvering.
- [NTSB CEN23LA336](https://openairdocs.org/ntsb/CEN23LA336), Jul 29, 2023: Air Tractor AT-402B (N402PR), Alta, IA, substantial damage. Probable cause: The airplane’s encounter with a dust devil, which resulted in a loss of lift, and subsequent collision with powerlines.
- [NTSB CEN23LA324](https://openairdocs.org/ntsb/CEN23LA324), Jul 25, 2023: Air Tractor AT-402B (N291DL), Clara City, MN, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from a transmission line during an aerial application flight.
- [NTSB CEN21LA148](https://openairdocs.org/ntsb/CEN21LA148), Mar 5, 2021: Air Tractor AT-402B (N41068), Moorhead, MS, substantial damage. Probable cause: The pilot did not maintain clearance from a powerline during an aerial application flight.
- [NTSB GAA19CA163](https://openairdocs.org/ntsb/GAA19CA163), Mar 11, 2019: Air Tractor AT 400A (N400DQ), Parma, ID, substantial damage. Probable cause: The pilot's failure to maintain directional control during landing in variable wind conditions, which resulted in the right wing impacting muddy terrain.
- [NTSB GAA15CA251](https://openairdocs.org/ntsb/GAA15CA251), Sep 4, 2015: Air Tractor AT 402A (N321DA), Fort Pierre, SD, substantial damage. Probable cause: The pilot's failure to maintain obstacle clearance, which resulted in the airplane striking guy-wires during aerial application operations.
- [NTSB CEN14CA314](https://openairdocs.org/ntsb/CEN14CA314), Jun 21, 2014: Air Tractor AT 402B (N428JJ), Newport, AR, substantial damage. Probable cause: The pilot misjudged his altitude which resulted in the airplane contacting a wire during the low altitude aerial application maneuver.
- [NTSB ERA13CA033](https://openairdocs.org/ntsb/ERA13CA033), Oct 20, 2012: Air Tractor AT-502B (N502PB), Newton, GA, substantial damage. Probable cause: The pilot’s failure to maintain clearance from power lines while maneuvering, which resulted in a hard forced landing.
- [NTSB CEN12LA453](https://openairdocs.org/ntsb/CEN12LA453), Jul 17, 2012: Air Tractor AT-402B (N4843J), Britt, IA, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from power transmission lines during an agricultural application operation. Contributing to the accident was the pilot’s distracted attention due to personal…
- [NTSB ERA10LA450](https://openairdocs.org/ntsb/ERA10LA450), Aug 28, 2010: Air Tractor AT402 (N4172U), Pompano Beach, FL, substantial damage. Probable cause: The pilot's delayed decision to abort the takeoff, which resulted in a runway overrun and a subsequent collision with obstacles and terrain. Contributing to the accident was the airplane's high gross…
- [NTSB DFW07CA151](https://openairdocs.org/ntsb/DFW07CA151), Jul 7, 2007: Air Tractor AT-402B (N712GS), Eldorado, TX, substantial damage. Probable cause: The loss of engine power as result of water contamination due to a faulty seal on the refuel tank port. A contributing factor was t he lack of suitable terrain for the forced landing.

## FAA accident and incident reports (14)

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 20260424003729I](https://openairdocs.org/incident/20260424003729I), Apr 24, 2026: Scholz D E/Clarke A J LANCAIR IV-P (N117LH), Seattle, WA, Minor damage. During landing touchdown on runway 32R at (kbfi) Boeing field/King county international airport following a flight from (krdm) roberts field airport, the pilot…
- [Incident 20250907014239I](https://openairdocs.org/incident/20250907014239I), Sep 7, 2025: Air Tractor Inc AT-402B (N116KN), Brush Lake, MT, Minor damage. On September 8, 2025 the FAA was notified an Air tractor had struck a wingtip in Brush Lake, Montana. The pilot was able to fly the aircraft back to it’s home…
- [Accident 20250722021349A](https://openairdocs.org/incident/20250722021349A), Jul 22, 2025: Air Tractor Inc AT-402A (N1534D), Centralia, MO, Substantial damage. FAA inspectors arrived on scene and found the aircraft in a cornfield approximately 50 yards from the south edge of that field. Reportedly, the aircraft was…
- [Accident 20230729008049A](https://openairdocs.org/incident/20230729008049A), Jul 29, 2023: Air Tractor Inc AT-402B (N402PR), Alta, IA, Substantial damage. An Air tractor AT-402, clipped some power lines, during aerial application, and came down in a bean field near Alta, IA. POB: 1, no injuries. The aircraft was…
- [Accident 20230725012309A](https://openairdocs.org/incident/20230725012309A), Jul 25, 2023: Air Tractor Inc AT-402B (N291DL), Clara City, MN, Substantial damage, 1 fatal. On July 25, 2023, at approximately 0830 central time, an Air tractor AT-402 departed a private airport after being reloaded to perform aerial application…
- [Accident 20210305003149A](https://openairdocs.org/incident/20210305003149A), Mar 5, 2021: Air Tractor Inc AT-402B (N41068), Moorhead, MS, Substantial damage. While performing aerial applications near Moorhead ms, the pilot failed to see power lines and struck a utility pole with the left wing breaking off the top…
- [Accident 20190311001189A](https://openairdocs.org/incident/20190311001189A), Mar 11, 2019: Air Tractor Inc AT-400A (N400DQ), Parma, ID, Substantial damage. The pilot had just completed a agricultural dispensing operation and was landing at his home base in Parma, ID. Winds at the time were 4 knots and variable.…
- [Accident 20150904012839A](https://openairdocs.org/incident/20150904012839A), Sep 4, 2015: Air Tractor Inc AT-402A (N321DA), Ft Pierre, SD, Substantial damage. On September 4, 2015 at approximately 0900 CST an Air tractor[privacy data omitted] hit a tower guy wire during spray operations. Clear conditions prevailed…
- [Accident 20140621008429A](https://openairdocs.org/incident/20140621008429A), Jun 21, 2014: Air Tractor Inc AT-402B (N428JJ), Newport, AR, Destroyed. On June 21, 2014 at 1245 CST, an Air tractor AT-402B, N428JJ, registered to bell flying, inc., Newport, Arkansas, during routine agricultural disbursement…
- [Accident 20121020024589A](https://openairdocs.org/incident/20121020024589A), Oct 20, 2012: Air Tractor Inc AT-502B (N502PB), Newton, GA, Substantial damage. Aircraft struck upper tower ground wire with the left main gear and damaged the gear and broke the wire on the tower. The aircraft then stalled and headed for…
- [Accident 20120717015559A](https://openairdocs.org/incident/20120717015559A), Jul 17, 2012: Air Tractor Inc AT-402B (N4843J), Britt, IA, Destroyed, 1 fatal. Pilot was spraying from east to west along the south side of a powerline corridor. As aircraft entered field on east side, it struck the lower power line,…
- [Accident 20100828045429A](https://openairdocs.org/incident/20100828045429A), Aug 28, 2010: Air Tractor AT-402B (N4172U), Pompano Beach, FL, Substantial damage. The pilot reported that he was attempting to takeoff from runway 10, a 3,502-foot-long, 150-foot-wide, asphaltrunway. The airplane accelerated to takeoff speed…
- [Accident 20070707015629A](https://openairdocs.org/incident/20070707015629A), Jul 7, 2007: Airtrc AT402B (N712GS), Eldorado, TX, Substantial damage. (-23) On July 07, 2007, central daylight time, a single engine AT-402B aircraft, N712GS was substantilly damaged following loss of power 3 miles from take off…
- [Incident 20030527032779I](https://openairdocs.org/incident/20030527032779I), May 27, 2003: Airtrc AT502 (N1007W), Hazen, AR, Substantial damage. (-23) On 5/27/2003 at 1215 pm CST, 3 miles west of slovak, AR aircraft N1007W, model AT-503 made a landing approach when a sudden updraft (dust devil) caused…

## Service difficulty reports (23)

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

- [SDR CA160203003](https://openairdocs.org/sdr/CA160203003), Jan 19, 2016: ENGINE. POWER LOSS. (CAN) DURING CRUISE, THE ENGINE HAD A POWER ROLL BACK AND THE PILOT WAS NOT ABLE TO RECOVER POWER VIA POWER LEVER (PLA) COMMAND. ELECTED TO RETURN TO HIS DEPART
- [SDR CA160203016](https://openairdocs.org/sdr/CA160203016), Jan 18, 2016: ENGINE. POWER LOSS. (CAN) WHILE THE ACFT WAS RETURNING FOR LANDING AFTER CROP-DUSTING FLIGHT, THE ENGINE POWER DROPPED AND REMAINED AT IDLE. THE PILOT PERFORMED A PRECAUTIONARY LAN
- [SDR CA150316007](https://openairdocs.org/sdr/CA150316007), Mar 13, 2015: PULLEY. LOOSE. (CAN) ON ENGINE SHUTDOWN A CLICKING SOUND WAS HERD UNDER ENGINE COWLING. UPON INVESTIGATION IT WAS NOTICED THAT THE AIR CONDITIONER COMPRESSOR DRIVE PULLEY ALLE
- [SDR CA140120001](https://openairdocs.org/sdr/CA140120001), Jun 13, 2013: ENGINE. STALLED. (CAN) DURING A TEST FLIGHT FOLLOWING PROPELLER GOVERNOR REPLACEMENT, AS THE ACFT WAS ON SHORT FINAL, THE PILOT REPORTED IT STALLED BEFORE CRASHING TO THE GROUND
- [SDR CA120213009](https://openairdocs.org/sdr/CA120213009), Jan 20, 2012: ENGINE. POWER LOSS. (CAN) DURING CLIMB, THE ACFT LOSS ENGINE POWER AND THE PILOT MADE A FORCED LANDING INTO A FIELD. THE ACFT SUSTAINED SUBSTANTIAL DAMAGE. NO INVESTIGATION WAS REP
- [SDR CA110929006](https://openairdocs.org/sdr/CA110929006), Sep 21, 2011: ENGINE. FLUCTUATES. (CAN) AFTER T/O AT AN ALTITUDE OF 350-400 FT, THE ENGINE TORQUE AND SPEEDS BEGAN TO FLUCTUATE FOLLOWED BY AN UNCOMMANDED POWER LOSS. THE PILOT DUMPED THE CONTEN
- [SDR CA110929003](https://openairdocs.org/sdr/CA110929003), Aug 10, 2011: ENGINE. POWER LOSS. (CAN) UPON REDUCING POWER FOR LANDING, THE ENGINE WOULD NOT DECREASE BELOW 75 PERCENT. THE PILOT ELECTED TO SHUTDOWN THE ENGINE DURING FINAL, HOWEVER HE MISJUDG
- [SDR 2011FA0000424](https://openairdocs.org/sdr/2011FA0000424), Jun 28, 2011: ENGINE. FAILED. AG AIRCRAFT DUMPED A LOAD AND WAS RETURNING TO LAND WHEN THE PILOT LOST ENGINE POWER. EXECUTED A CRASH LANDING IN A WHEAT FIELD WITH SUBSTANTIAL DAMAGE TO THE A
- [SDR CA100903006](https://openairdocs.org/sdr/CA100903006), Aug 28, 2010: ENGINE. FAILED. ACCIDENT DURING TAKEOFF FROM AIRPORT, THE PILOT REPORTED SMOKE FROM THE EXHAUST DUCT. HE CLIMBED 10 TO 15 FEET AGL, AND REALIZED THE AIRPLANE WAS NOT ACCELERATI
- [SDR CA070914004](https://openairdocs.org/sdr/CA070914004), Jul 2, 2007: ENGINE. POWER LOSS. (CAN) THE ENGINE EXPERIENCED AN UNCOMMANDED POWER REDUCTION DURING SPRAYING OPERATIONS RESULTING IN A FORCED LANDING AND SUBSTANTIAL AIRFRAME DAMAGE. MFG WILL M
- [SDR CA060531008](https://openairdocs.org/sdr/CA060531008), Apr 28, 2006: ENGINE. FAILED. (CAN) THE ENGINE WAS REPORTED TO HAVE LOST POWER IN FLIGHT LEADING TO A FORCED LANDING AND RESULTANT AIRFRAME DAMAGE. MFG WILL INVESTIGATE THE INCIDENT AND ADVI
- [SDR 2005FA0001493](https://openairdocs.org/sdr/2005FA0001493), Oct 20, 2005: SPAR. SEPARATED. THE MAIN SPARS (PN 4500-01 AND 4500-02, RT AND LT) WERE BROKEN AWAY FROM THE WINGLET. WINGLETS AND SPAR ARE PART OF STC INSTALLATION. SPAR IS ATTACHED TO INSIDE
- [SDR AU510001855](https://openairdocs.org/sdr/AU510001855), Jun 9, 2005: ROD END. BROKEN. LT HORIZONTAL STABILIZER ATTACHMENT BOLT BROKEN AT TOP OF THREADED AREA UNDER CLEVIS. FOUND WHEN STABILIZER REMOVED FOR PAINTING. INSPECTION FOUND ALL OTHER ATT
- [SDR AUS20030470](https://openairdocs.org/sdr/AUS20030470), May 2, 2003: LONGERON. CRACKED. (AUS) FUSELAGE LONGERON CRACKED IN AREA INDICATED IN SL195.
- [SDR AUS20021371](https://openairdocs.org/sdr/AUS20021371), Nov 25, 2002: PLATE. CRACKED. (AUS) VERTICAL FIN FRONT SPAR ATTACHMENT FITTING FAILED. REAR SPARCRACKED.
- [SDR AU001115](https://openairdocs.org/sdr/AU001115), Nov 23, 2000: SPAR CAP. CRACKED. (AUS) LEFT SPAR CAP CRACKED IN AREA OF THE HOLE LOCATED 3 MM (0.118 INCHES) FORWARD ALONG THE BOTTOM FACE AND 8 MM (0.314 INCHES) UP THE HOLE. FOUND DURING MAGN
- [SDR AU000355](https://openairdocs.org/sdr/AU000355), May 4, 2000: TUBE. CRACKED. (AUS) FUSELAGE VERTICAL TUBE CRACKED AT WING ANGLE ATTACHMENT POINT.
- [SDR AU990949](https://openairdocs.org/sdr/AU990949), Sep 14, 1999: TURBINE DISC. CRACKED. (AUS) COMPRESSOR TURBINE DISC CRACKED ON THE TRAILING EDGE SIDE ADJACENT TO THE BALANCE RIM IN THE WEB AREA. ONE CONFIRMED CRACK AND ONE SUSPECT CRACK. FOUND DU
- [SDR AU990811](https://openairdocs.org/sdr/AU990811), Aug 2, 1999: TORQUE TUBE. CRACKED. (AUS) ELEVATOR TORQUE TUBE CRACKED.
- [SDR AU990517](https://openairdocs.org/sdr/AU990517), May 27, 1999: RIB. CRACKED. (AUS) HORIZONTAL STABILIZER NOSE RIBS CRACKED AT THE FORWARD EDGE ALONG THE FLANGE RADIUS.
- [SDR AU990019](https://openairdocs.org/sdr/AU990019), Jan 13, 1999: SPAR. CRACKED. (AUS) WING FRONT SPAR SPLICE RIGHT OUTBOARD HOLE HAS A SMALL CRACK AT THE INBOARD LOWER CORNER OF THE SPAR SECTION RUNNING UP THE BOLT HOLE. CRACK LENGTH APPROX
- [SDR AU971582](https://openairdocs.org/sdr/AU971582), Dec 30, 1997: ENGINE. FAILED. (AUS) ENGINE SUFFERED COMPLETE FAILURE DURING CRUISE - CAUSE UNKNOWN AT THIS STAGE.
- [SDR AU961085](https://openairdocs.org/sdr/AU961085), Aug 7, 1996: BRACKET. BROKEN. (AUS) FORWARD FIN ATTACHMENT BRACKET BROKEN IN AREA DESCRIBED IN AIRTRACTOR SB 138 - AIRCRAFT IS FITTED WITH A 6.35MM (0.25IN)PLATE

## STCs that may be installed (OpenAirDocs) (15)

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 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
- [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
- [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
- [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
- [STC SE2960SO](https://openairdocs.org/stc/SE2960SO): Installation of an oil filler cap safety adapter. Jet Avion Corporation
- [STC SE615GL](https://openairdocs.org/stc/SE615GL): Incorporation of a fuel flow transducer. Shadin Avionics
- [STC SE01805NY](https://openairdocs.org/stc/SE01805NY): Installation of Fuel Nozzle Adapters using studs and nuts. Atlantic Turbines International Inc
- [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
- [STC SE659NE](https://openairdocs.org/stc/SE659NE): Installation of oil tank filler neck check valve, P/N TSA-76A. Aviation Components Support
- [STC SE1122EA](https://openairdocs.org/stc/SE1122EA): Repair of combustion chamber small exit duct, P/N 3012060. Airwork Corporation
- [STC SE8319SW](https://openairdocs.org/stc/SE8319SW): Conversion of P&W Canada PT6A-15AG to PT6A-27 model configuration. Airforce Turbine Service
- [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
- [STC SE1269EA](https://openairdocs.org/stc/SE1269EA): Stripping and recoating of compressor turbine blades, P/N 3023401, with Walbar Metals, Inc. Airwork Corporation
- [STC SE386NE](https://openairdocs.org/stc/SE386NE): Installation of Turbo Products PMA parts. Audco Corporation
- [STC SE4607SW](https://openairdocs.org/stc/SE4607SW): Revise the starter-generator drive spline to provide lubrication with engine oil. Aviall of Texas, Inc

## PMA parts (OpenAirDocs) (401, 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
- [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
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 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
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026
- [3010671RM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180066927420260204181356.0001): Washer, Flat. Rimark Manufacturing · PMA PQ10018NE · Replaces 3010671 · Jan 28, 2026
- [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 2025
- [3034292WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID166533215020250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034292, 3034293, 3958257-01, 3028419… · Jun 2, 2025
- [3034507WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141045710620250624152910.0001): Cleanable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3017383, 3020967, 3022069, 3022070… · Jun 2, 2025
- [3034393WFC](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID100181403420250624152909.0001): Disposable Oil Filter Element. Donaldson Company Inc · PMA PQ2432CE · Replaces 3034393, 3033315, 3059257-01, 3028419… · Jun 2, 2025
- [WF334552](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147857861520250602133017.0001): Compressor Air Filter. Donaldson Company Inc · PMA PQ2432CE · Replaces 3029268, Alternate: 3028856, 3029267… · May 23, 2025
- [WF344763](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID115254655320250602133049.0001): Nozzle Cover, Machined. Donaldson Company Inc · PMA PQ2432CE · Replaces 3120869-01, Alternate: 3019491… · May 23, 2025
- [3115091-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180857219920250923184724.0001): Ball, Plastic, 0.750. CORE PARTS LLC · PMA PQ05326NM · Replaces 3115091-01 · Feb 13, 2025
- [3058971-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID110906306720250923184724.0001): Valve Assy, Oil Filler Tube. CORE PARTS LLC · PMA PQ05326NM · Replaces 3058971-01 · Feb 13, 2025
- [3049871-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID134847727520260108162918.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3049871-01 · Jan 17, 2025
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169774044220250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012411 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID164469161820250106202800.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012413 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID152753542620250106202759.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012414 · Dec 10, 2024
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117377138920250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012412 · Dec 10, 2024
- [218794ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID136891010120241022133827.0001): Washer, CRES. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 218794 · Oct 3, 2024
- [3010671CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189963175420241202221129.0001): Washer, Flat. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010671 · Aug 22, 2024
- [3012675AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID196954661720240919140845.0001): Nut, Self-Locking, Hex. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012675, 3005816, 3012674, 3028286… · Aug 7, 2024
- [3015234AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID130436253520240919140838.0001): Nut, Self-Locking, Shank. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3015234, 3015233, 3015232, 3016299… · Aug 7, 2024
- [3006523CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID132375139220240509162259.0001): Bearing, Sleeve, Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3006523 · Mar 25, 2024
- [3008676CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID120421035120240509162301.0001): Bearing, Sleeve, Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3008676 · Mar 25, 2024
- [3003987CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID125662034220231204145325.0001): Pin, Lock. CORE PARTS LLC · PMA PQ05326NM · Replaces 3003987 · Aug 1, 2023
- [3016598CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID189342823620231204151230.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3016598 · Jul 26, 2023
- [3005290CLACP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID171588224920250611143002.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLA · May 19, 2023
- [3005290CLECP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID142064254420250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLE · May 19, 2023
- [3005290CLDCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141205886020250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLD · May 19, 2023
- [3005290CLBCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID118455233520250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLB · May 19, 2023
- [3005290CLCCP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID103292467820250611143003.0001): Weight, Balance, Compressor. CORE PARTS LLC · PMA PQ05326NM · Replaces 3005290CLC · May 19, 2023
- [TA3057-1](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID161272206620230515183738.0001): Turbine Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · May 5, 2023
- [TA3057-2](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID146529815220230515183804.0001): Turbine Engine Preheat Kit. Hartzell Propeller LLC · PMA PQ2040CE · Modification part · May 5, 2023
- [4138008-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184011151820241024194520.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 4138008-3 · May 2, 2023
- [4138008-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168150133920241024194521.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 4138008-3 · May 2, 2023
- [2524440-9](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID144144290020241024194519.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 2524440-9 · May 2, 2023
- [RM3022375](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID197353719220230503123945.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022375 · Apr 19, 2023
- [RM3022374](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID109994811820230503123941.0001): Seal, Plain. Rimark Manufacturing · PMA PQ10018NE · Replaces 3022374 · Apr 19, 2023
- [540-1407-3](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID149574330120240306163319.0001): Valve, Bleed (Small PT6). Honeywell International Inc. · PMA PQ1222NM · Replaces 3049038-02 · Apr 14, 2023
- [3018176CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID141519552120230126122635.0001): Washer, Key. CORE PARTS LLC · PMA PQ05326NM · Replaces 3018176 · Feb 4, 2023
- [3012675CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID172835041720230717162244.0001): Nut, Self-Locking, Hex. CORE PARTS LLC · PMA PQ05326NM · Replaces 3012675 · Jan 23, 2023
- [3012414CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID168780316620230717162242.0001): Nut, Self-Locking, 12 Point. CORE PARTS LLC · PMA PQ05326NM · Replaces 3012414 · Jan 23, 2023
- [3015234CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID160866993420230717162557.0001): Nut, Self-Locking, Shank. CORE PARTS LLC · PMA PQ05326NM · Replaces 3015234 · Jan 23, 2023
- [3008676CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117155957820230717173023.0001): Bearing, Sleeve,Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3008676 · Jan 16, 2023
- [3006523CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID113721863120230717173021.0001): Bearing, Sleeve,Flanged. CORE PARTS LLC · PMA PQ05326NM · Replaces 3006523 · Jan 16, 2023
- [3012456CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID184156576820241202220928.0001): Seal, Ring. CORE PARTS LLC · PMA PQ05326NM · Replaces 3012456 · Jan 4, 2023

All of them: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-15ag/pma.md

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