# Pratt & Whitney Canada PT6A-34AG

- Type: Engine model (FAA registry)
- Registry code: 52251
- Manufacturer (registry): P&W CANADA
- Model: PT6A-34AG
- Engine type: Turbo-prop
- Power: 750 hp
- Data sheet: [TCDS E4EA](https://openairdocs.org/tcds/E4EA) (OpenAirDocs)
- Holder: Pratt & Whitney Canada Corp.
- Installed in: 269 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34ag

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 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 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

## 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 (269, first 50)

- [N10078](https://openairdocs.org/aircraft/N10078): [Dallas Aero & Sales LLC](https://openairdocs.org/faa-owner/DALLAS%20AERO%20%26%20SALES%20LLC), [Poplar, MT](https://openairdocs.org/faa-place/MT/Poplar), built 2013, S/N 502B-2881
- [N1009F](https://openairdocs.org/aircraft/N1009F): [Davidson Richard E](https://openairdocs.org/faa-owner/DAVIDSON%20RICHARD%20E), [Tchula, MS](https://openairdocs.org/faa-place/MS/Tchula), built 2019, S/N T34-484
- [N107ML](https://openairdocs.org/aircraft/N107ML): [Mike Ogan Farms](https://openairdocs.org/faa-owner/MIKE%20OGAN%20FARMS), [Pierre, SD](https://openairdocs.org/faa-place/SD/Pierre), built 2012, S/N 402B-1250
- [N108TF](https://openairdocs.org/aircraft/N108TF): [Wood Flying Inc](https://openairdocs.org/faa-owner/WOOD%20FLYING%20INC), [Panhandle, TX](https://openairdocs.org/faa-place/TX/Panhandle), built 2008, S/N 502B-2652
- [N112HB](https://openairdocs.org/aircraft/N112HB): [D&D Aerial LLC](https://openairdocs.org/faa-owner/D%26D%20AERIAL%20LLC), [Gratiot, WI](https://openairdocs.org/faa-place/WI/Gratiot), built 2012, S/N 502B-2825
- [N114WL](https://openairdocs.org/aircraft/N114WL): [Thompson Flying Service LLC](https://openairdocs.org/faa-owner/THOMPSON%20FLYING%20SERVICE%20LLC), [Charleston, MO](https://openairdocs.org/faa-place/MO/Charleston), built 2014, S/N 502B-2960
- [N126HB](https://openairdocs.org/aircraft/N126HB): [Kansas Farm And Ranch Inc](https://openairdocs.org/faa-owner/KANSAS%20FARM%20AND%20RANCH%20INC), [Seneca, KS](https://openairdocs.org/faa-place/KS/Seneca), built 2014, S/N 502B-2947
- [N128WW](https://openairdocs.org/aircraft/N128WW): [Spears Aerial Crop Care LLC](https://openairdocs.org/faa-owner/SPEARS%20AERIAL%20CROP%20CARE%20LLC), [Mamou, LA](https://openairdocs.org/faa-place/LA/Mamou), built 2011, S/N 502B-2793
- [N13642](https://openairdocs.org/aircraft/N13642): [Visser Ag Inc](https://openairdocs.org/faa-owner/VISSER%20AG%20INC), [Rigby, ID](https://openairdocs.org/faa-place/ID/Rigby), built 1999, S/N 502B-0598
- [N1375F](https://openairdocs.org/aircraft/N1375F): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2018, S/N 402B-1375
- [N148SH](https://openairdocs.org/aircraft/N148SH): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2022, S/N 504-4044
- [N149SH](https://openairdocs.org/aircraft/N149SH): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2022, S/N 504-4045
- [N173SH](https://openairdocs.org/aircraft/N173SH): [Bank Of Utah Trustee](https://openairdocs.org/faa-owner/BANK%20OF%20UTAH%20TRUSTEE), [Salt Lake City, UT](https://openairdocs.org/faa-place/UT/Salt%20Lake%20City), built 2025, S/N 504-4057
- [N18KD](https://openairdocs.org/aircraft/N18KD): [H & W Ag Services Inc](https://openairdocs.org/faa-owner/H%20%26%20W%20AG%20SERVICES%20INC), [Veribest, TX](https://openairdocs.org/faa-place/TX/Veribest), built 2007, S/N 402B-1187
- [N2019P](https://openairdocs.org/aircraft/N2019P): [Agricultural Air Services LLC](https://openairdocs.org/faa-owner/AGRICULTURAL%20AIR%20SERVICES%20LLC), [Jupiter, FL](https://openairdocs.org/faa-place/FL/Jupiter), built 2011, S/N 502B-2792
- [N2022Y](https://openairdocs.org/aircraft/N2022Y): [Pinecliff Aerial Inc](https://openairdocs.org/faa-owner/PINECLIFF%20AERIAL%20INC), [Camilla, GA](https://openairdocs.org/faa-place/GA/Camilla), built 2011, S/N 502B-2760
- [N2032K](https://openairdocs.org/aircraft/N2032K): [King Ag Leasing Inc](https://openairdocs.org/faa-owner/KING%20AG%20LEASING%20INC), [Sudan, TX](https://openairdocs.org/faa-place/TX/Sudan), built 2011, S/N 502B-2749
- [N2033R](https://openairdocs.org/aircraft/N2033R): [Lj Leasing LLC](https://openairdocs.org/faa-owner/LJ%20LEASING%20LLC), [Cardington, OH](https://openairdocs.org/faa-place/OH/Cardington), built 2011, S/N 504-4010
- [N2035E](https://openairdocs.org/aircraft/N2035E): [Gibson Flying Service Inc](https://openairdocs.org/faa-owner/GIBSON%20FLYING%20SERVICE%20INC), [Marianna, AR](https://openairdocs.org/faa-place/AR/Marianna), built 2011, S/N 502B-2791
- [N2038Q](https://openairdocs.org/aircraft/N2038Q): [At402 LLC](https://openairdocs.org/faa-owner/AT402%20LLC), [Banquete, TX](https://openairdocs.org/faa-place/TX/Banquete), built 2013, S/N 502B-2878
- [N2040E](https://openairdocs.org/aircraft/N2040E): [Weaver Flying Service Inc](https://openairdocs.org/faa-owner/WEAVER%20FLYING%20SERVICE%20INC), [Quincy, WA](https://openairdocs.org/faa-place/WA/Quincy), built 2011, S/N 502B-2743
- [N2045G](https://openairdocs.org/aircraft/N2045G): [Ought 9 LLC](https://openairdocs.org/faa-owner/OUGHT%209%20LLC), [East Helena, MT](https://openairdocs.org/faa-place/MT/East%20Helena), built 2012, S/N 502B-2820
- [N2047V](https://openairdocs.org/aircraft/N2047V): [Williamsburg Air Service Inc](https://openairdocs.org/faa-owner/WILLIAMSBURG%20AIR%20SERVICE%20INC), [Kingstree, SC](https://openairdocs.org/faa-place/SC/Kingstree), built 2012, S/N 402B-1253
- [N20527](https://openairdocs.org/aircraft/N20527): [Schwenk Aircraft Inc](https://openairdocs.org/faa-owner/SCHWENK%20AIRCRAFT%20INC), [Appleton, MN](https://openairdocs.org/faa-place/MN/Appleton), built 2012, S/N 502B-2798
- [N2066E](https://openairdocs.org/aircraft/N2066E): [Edwards Flying Service Inc](https://openairdocs.org/faa-owner/EDWARDS%20FLYING%20SERVICE%20INC), [Leland, MS](https://openairdocs.org/faa-place/MS/Leland), built 2012, S/N 502B-2826
- [N2072D](https://openairdocs.org/aircraft/N2072D): [Padgett Ag Rotors LLC](https://openairdocs.org/faa-owner/PADGETT%20AG%20ROTORS%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 2012, S/N 402B-1268
- [N2094M](https://openairdocs.org/aircraft/N2094M): [Cmk Aerial Inc](https://openairdocs.org/faa-owner/CMK%20AERIAL%20INC), [Sutton, NE](https://openairdocs.org/faa-place/NE/Sutton), built 2011, S/N 502B-2756
- [N213BH](https://openairdocs.org/aircraft/N213BH): [Bighorn Flying Co LLC](https://openairdocs.org/faa-owner/BIGHORN%20FLYING%20CO%20LLC), [Wood River, NE](https://openairdocs.org/faa-place/NE/Wood%20River), built 2013, S/N 402B-1279
- [N226DH](https://openairdocs.org/aircraft/N226DH): [Cottonwing Air LLC](https://openairdocs.org/faa-owner/COTTONWING%20AIR%20LLC), [Indianola, MS](https://openairdocs.org/faa-place/MS/Indianola), built 2010, S/N 502B-2726
- [N228RG](https://openairdocs.org/aircraft/N228RG): [A+ Aviation Services LLC](https://openairdocs.org/faa-owner/A+%20AVIATION%20SERVICES%20LLC), [Garden City, KS](https://openairdocs.org/faa-place/KS/Garden%20City), built 2009, S/N 402B-1223
- [N243LA](https://openairdocs.org/aircraft/N243LA): [H & G Farms Inc](https://openairdocs.org/faa-owner/H%20%26%20G%20FARMS%20INC), [Corcoran, CA](https://openairdocs.org/faa-place/CA/Corcoran), built 2015, S/N 502B-3020
- [N246BR](https://openairdocs.org/aircraft/N246BR): [Roberts Ag Air Service Inc](https://openairdocs.org/faa-owner/ROBERTS%20AG%20AIR%20SERVICE%20INC), [Lamoure, ND](https://openairdocs.org/faa-place/ND/Lamoure), built 2012, S/N 502B-2786
- [N261JB](https://openairdocs.org/aircraft/N261JB): [Jb Leasing LLC](https://openairdocs.org/faa-owner/JB%20LEASING%20LLC), [Norfolk, NE](https://openairdocs.org/faa-place/NE/Norfolk), built 2012, S/N 502B-2813
- [N268TW](https://openairdocs.org/aircraft/N268TW): [Aircraft Trustee Services Inc Trustee](https://openairdocs.org/faa-owner/AIRCRAFT%20TRUSTEE%20SERVICES%20INC%20TRUSTEE), [Dover, DE](https://openairdocs.org/faa-place/DE/Dover), built 2010, S/N 502B-2727
- [N272LA](https://openairdocs.org/aircraft/N272LA): [B & D Aircraft Leasing LLC](https://openairdocs.org/faa-owner/B%20%26%20D%20AIRCRAFT%20LEASING%20LLC), [Waupun, WI](https://openairdocs.org/faa-place/WI/Waupun), built 2018, S/N 502B-3145
- [N275JA](https://openairdocs.org/aircraft/N275JA): [Gibbs Aviation Inc](https://openairdocs.org/faa-owner/GIBBS%20AVIATION%20INC), [Fremont, OH](https://openairdocs.org/faa-place/OH/Fremont), built 2011, S/N 502B-2755
- [N277LA](https://openairdocs.org/aircraft/N277LA): [A & M Flying Service Inc](https://openairdocs.org/faa-owner/A%20%26%20M%20FLYING%20SERVICE%20INC), [Carlisle, AR](https://openairdocs.org/faa-place/AR/Carlisle), built 2011, S/N 502B-2777
- [N282LA](https://openairdocs.org/aircraft/N282LA): [Prop Ag LLC](https://openairdocs.org/faa-owner/PROP%20AG%20LLC), [Montezuma, KS](https://openairdocs.org/faa-place/KS/Montezuma), built 2012, S/N 602-1215
- [N283TA](https://openairdocs.org/aircraft/N283TA): [Tommys Flying Service](https://openairdocs.org/faa-owner/TOMMYS%20FLYING%20SERVICE), [Sherrill, AR](https://openairdocs.org/faa-place/AR/Sherrill), built 2009, S/N T34-314DC
- [N289JA](https://openairdocs.org/aircraft/N289JA): [Riceland Aviation Inc](https://openairdocs.org/faa-owner/RICELAND%20AVIATION%20INC), [Jennings, LA](https://openairdocs.org/faa-place/LA/Jennings), built 2012, S/N 502B-2809
- [N297FA](https://openairdocs.org/aircraft/N297FA): [Walhalla Ag Service LLC](https://openairdocs.org/faa-owner/WALHALLA%20AG%20SERVICE%20LLC), [Walhalla, ND](https://openairdocs.org/faa-place/ND/Walhalla), built 2014, S/N 502B-2973
- [N3000H](https://openairdocs.org/aircraft/N3000H): [North Florida Ag Services Inc](https://openairdocs.org/faa-owner/NORTH%20FLORIDA%20AG%20SERVICES%20INC), [Lake City, FL](https://openairdocs.org/faa-place/FL/Lake%20City), built 2012, S/N T34-402
- [N3006C](https://openairdocs.org/aircraft/N3006C): [Newkirk Thomas DBA](https://openairdocs.org/faa-owner/NEWKIRK%20THOMAS%20DBA), [Garland, NC](https://openairdocs.org/faa-place/NC/Garland), built 2012, S/N T34-403
- [N3011S](https://openairdocs.org/aircraft/N3011S): [H & H Flying Co](https://openairdocs.org/faa-owner/H%20%26%20H%20FLYING%20CO), [Finley, TN](https://openairdocs.org/faa-place/TN/Finley), built 2013, S/N 402B-1276
- [N3025P](https://openairdocs.org/aircraft/N3025P): [Dakota Air Spray LLC](https://openairdocs.org/faa-owner/DAKOTA%20AIR%20SPRAY%20LLC), [Huron, SD](https://openairdocs.org/faa-place/SD/Huron), built 2013, S/N 502B-2896
- [N302PC](https://openairdocs.org/aircraft/N302PC): [Aerial Crop Protection Inc](https://openairdocs.org/faa-owner/AERIAL%20CROP%20PROTECTION%20INC), [Belle Glade, FL](https://openairdocs.org/faa-place/FL/Belle%20Glade), built 2020, S/N 502B-3267
- [N3030C](https://openairdocs.org/aircraft/N3030C): [Wtas LLC](https://openairdocs.org/faa-owner/WTAS%20LLC), [Dyersburg, TN](https://openairdocs.org/faa-place/TN/Dyersburg), built 2013, S/N 402B-1283
- [N30411](https://openairdocs.org/aircraft/N30411): [Farm Air Inc](https://openairdocs.org/faa-owner/FARM%20AIR%20INC), [Astoria, IL](https://openairdocs.org/faa-place/IL/Astoria), built 2014, S/N 502B-2914
- [N3043V](https://openairdocs.org/aircraft/N3043V): [Mccool Air Service Inc](https://openairdocs.org/faa-owner/MCCOOL%20AIR%20SERVICE%20INC), [Mc Cool Junction, NE](https://openairdocs.org/faa-place/NE/Mc%20Cool%20Junction), built 2013, S/N T34-422
- [N3045H](https://openairdocs.org/aircraft/N3045H): [Pesicka Theodore J](https://openairdocs.org/faa-owner/PESICKA%20THEODORE%20J), [Hermiston, OR](https://openairdocs.org/faa-place/OR/Hermiston), built 2013, S/N T34-411

All 269: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34ag/aircraft.md

## NTSB investigations (49)

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 WPR26LA249](https://openairdocs.org/ntsb/WPR26LA249), Jul 7, 2026: Air Tractor AT-502B (N647LA), Ogden, UT, substantial damage, investigation ongoing
- [NTSB ANC26FA054](https://openairdocs.org/ntsb/ANC26FA054), Jun 16, 2026: Air Tractor AT-502B (N503GK), Forbes, MO, substantial damage, 1 fatal, investigation ongoing
- [NTSB CEN25LA274](https://openairdocs.org/ntsb/CEN25LA274), Jul 22, 2025: Air Tractor AT502 (N502KB), Hastings, NE, substantial damage. Probable cause: The pilot’s failure to maintain clearance from powerlines while maneuvering at low altitude.
- [NTSB CEN25LA267](https://openairdocs.org/ntsb/CEN25LA267), Jul 15, 2025: Air Tractor AT-402B (N647RA), Wyoming, IL, substantial damage. Probable cause: The pilot’s failure to attain a positive climb rate due to airplane’s improper takeoff configuration.
- [NTSB CEN25LA221](https://openairdocs.org/ntsb/CEN25LA221), Jun 24, 2025: Air Tractor AT-402B (N107ML), Pierre, SD, substantial damage. Probable cause: The pilot’s failure to maintain clearance with the power lines while maneuvering that resulted in an in-flight collision with the power lines and impact with terrain.
- [NTSB CEN25LA219](https://openairdocs.org/ntsb/CEN25LA219), Jun 23, 2025: Air Tractor AT-502B (N114WL), Charleston, MO, substantial damage. Probable cause: The pilot’s loss of control during the spray pass, which resulted in impact with vegetation and terrain.
- [NTSB GAA25WA281](https://openairdocs.org/ntsb/GAA25WA281), Oct 9, 2024: Air Tractor AT-504 (N149SH), Gizan, Saudi Arabia, destroyed
- [NTSB WPR25LA011](https://openairdocs.org/ntsb/WPR25LA011), Oct 8, 2024: Air Tractor AT502 (N243LA), Corcoran, CA, substantial damage. Probable cause: A total loss of engine power due to the pilot's improper manipulation of the condition lever during flight, which resulted in fuel starvation and a forced landing.
- [NTSB CEN24FA221](https://openairdocs.org/ntsb/CEN24FA221), Jun 14, 2024: Air Tractor AT502 (N2032K), Whiteface, TX, substantial damage, 1 fatal. Probable cause: Both pilot’s failure to see and avoid the other airplane during simultaneous aerial application operations over the same area. Contributing to the accident was the operator’s poor decision to assign…
- [NTSB CEN24FA221](https://openairdocs.org/ntsb/CEN24FA221), Jun 14, 2024: Air Tractor AT502 (N8525V), Whiteface, TX, substantial damage, 1 fatal. Probable cause: Both pilot’s failure to see and avoid the other airplane during simultaneous aerial application operations over the same area. Contributing to the accident was the operator’s poor decision to assign…
- [NTSB CEN23FA412](https://openairdocs.org/ntsb/CEN23FA412), Sep 19, 2023: Air Tractor AT-502B (N502NB), New Rockford, ND, substantial damage, 1 fatal. Probable cause: The pilot’s failure to maintain clearance from overhead power lines during an aerial application flight. Contributing to the accident was the pilot’s decision to fly under the power lines with a…
- [NTSB CEN23LA223](https://openairdocs.org/ntsb/CEN23LA223), Jun 3, 2023: Air Tractor AT-502B (N509HB), Lake Village, AR, substantial damage. Probable cause: A reported loss of thrust for reasons that could not be determined.
- [NTSB CEN22LA312](https://openairdocs.org/ntsb/CEN22LA312), Jul 11, 2022: Air Tractor AT-502B (N5850R), Decatur, IL, substantial damage. Probable cause: Fracture of the compressor turbine (CT) blades due to creep.
- [NTSB CEN21LA362](https://openairdocs.org/ntsb/CEN21LA362), Aug 6, 2021: Air Tractor AT-502B (N502CP), Topeka, KS, substantial damage. Probable cause: The pilot’s decision to continue low-level aerial application flight maneuvers after the low fuel warning light illuminated, which resulted in a partial loss of engine power due to fuel exhaustion.
- [NTSB CEN21LA322](https://openairdocs.org/ntsb/CEN21LA322), Jul 15, 2021: Air Tractor AT502 (N334LA), Edcouch, TX, substantial damage. Probable cause: The pilot’s inadequate compensation for a gusting wind during takeoff.
- [NTSB ERA21FA257](https://openairdocs.org/ntsb/ERA21FA257), Jun 18, 2021: Air Tractor AT-402B (N402SJ), Kinston, NC, destroyed, 1 fatal. Probable cause: The pilot’s decision to conduct low-level aerobatic maneuvers in an airplane not approved for aerobatic flight, which resulted in an aerodynamic stall and spin, a loss of control, and an impact with…
- [NTSB CEN20LA306](https://openairdocs.org/ntsb/CEN20LA306), Jul 25, 2020: Air Tractor AT502 (N502KJ), Grant, NE, substantial damage, 1 fatal. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering during an agricultural flight, which resulted in an aerodynamic stall and a loss of control at too low of an…
- [NTSB ERA20CA253](https://openairdocs.org/ntsb/ERA20CA253), Jul 15, 2020: Air Tractor AT502 (N2038Q), Washington, NC, substantial damage. Probable cause: The pilot's failure to maintain directional during landing on a wet grass runway.
- [NTSB ERA20CA231](https://openairdocs.org/ntsb/ERA20CA231), Jun 29, 2020: Air Tractor AT502 (N42190), South Bay, FL, substantial damage. Probable cause: The pilot's loss of airplane control during the approach, which resulted in an aerodynamic stall and impact with vegetation and terrain.
- [NTSB ERA20LA217](https://openairdocs.org/ntsb/ERA20LA217), Jun 16, 2020: Air Tractor AT502 (N879JA), Atmore, AL, substantial damage, 1 fatal. Probable cause: The pilot’s exceedance of the airplane’s critical angle of attack while maneuvering at low altitude, which resulted in an aerodynamic stall, spin, and loss of control.
- [NTSB CEN20CA079](https://openairdocs.org/ntsb/CEN20CA079), Feb 8, 2020: Air Tractor AT-504 (N970FA), Fort Morgan, CO, substantial damage. Probable cause: The pilot's improper landing flare, which resulted in a bounced landing, and his subsequent failure to maintain directional control, which resulted in the left main landing gear tire bursting and the…
- [NTSB GAA19CA502](https://openairdocs.org/ntsb/GAA19CA502), Aug 16, 2019: Air Tractor AT502 (N500KA), Onida, SD, substantial damage. Probable cause: The pilot's failure to maintain clearance from power wires during agricultural application operations.
- [NTSB GAA19CA480](https://openairdocs.org/ntsb/GAA19CA480), Aug 4, 2019: Air Tractor AT502 (N730JD), Waco, NE, substantial damage. Probable cause: The pilot's failure to maintain clearance from wires during an agricultural application flight.
- [NTSB GAA19CA339](https://openairdocs.org/ntsb/GAA19CA339), Jun 13, 2019: Air Tractor AT502 (N103CK), San Benito, TX, substantial damage. Probable cause: The pilot's improper decision to take off with the airplane near its maximum allowable gross takeoff weight and his subsequent exceedance of the airplane's critical angle of attack during takeoff,…
- [NTSB CEN18FA339](https://openairdocs.org/ntsb/CEN18FA339), Aug 18, 2018: Air Tractor AT502 (N502RL), Bronson, MI, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain airspeed while maneuvering, which resulted in exceedance of the airplane's critical angle of attack, an aerodynamic stall, and loss of control at an altitude too low…
- [NTSB CEN18FA232](https://openairdocs.org/ntsb/CEN18FA232), Jun 19, 2018: Air Tractor AT 502B (N2063B), Enid, OK, destroyed, 1 fatal. Probable cause: The pilot's failure to see and avoid a known obstacle (communications tower) during agricultural spraying operations.
- [NTSB GAA18CA010](https://openairdocs.org/ntsb/GAA18CA010), Oct 11, 2017: Air Tractor AT 402B (N80060), Brawley, CA, substantial damage. Probable cause: The pilot’s failure to maintain directional control during landing in gusting crosswind conditions.
- [NTSB CEN17CA294](https://openairdocs.org/ntsb/CEN17CA294), Jul 26, 2017: Air Tractor AT 502B (N421CA), Harrold, SD, substantial damage. Probable cause: The pilot’s improper attempt at a low-pass maneuver, which resulted in a collision with a tractor.
- [NTSB CEN17LA176](https://openairdocs.org/ntsb/CEN17LA176), May 5, 2017: Thrush S2R-H80 (N3045R), Gypsum, KS, substantial damage. Probable cause: A total loss of engine power during a low-altitude agricultural application flight for reasons that could not be determined during detailed examinations. Contributing to the accident was the pilot’s…
- [NTSB ERA17WA055](https://openairdocs.org/ntsb/ERA17WA055), Nov 23, 2016: Ayres S2R (N5532G), Valparaiso, Chile, substantial damage, 1 fatal
- [NTSB GAA17CA030](https://openairdocs.org/ntsb/GAA17CA030), Oct 18, 2016: Air Tractor AT 502 (N4218E), Paragould, AR, substantial damage. Probable cause: The pilot's failure to avoid electrical wires during low-altitude maneuvering, which resulted in a wire strike.
- [NTSB WPR16FA148](https://openairdocs.org/ntsb/WPR16FA148), Jul 23, 2016: Air Tractor AT 502B (N502WC), Zamora, CA, substantial damage, 1 fatal. Probable cause: The failure of both pilots to maintain an adequate visual lookout, which resulted in a midair collision. Also causal was the other pilot's use of two sedating antihistamines and two impairing…
- [NTSB CEN16LA154](https://openairdocs.org/ntsb/CEN16LA154), Apr 18, 2016: Air Tractor AT 502 (N301LA), Kilbourne, LA, destroyed, 1 fatal. Probable cause: The failure of the operator to comply with the terminating action of the airworthiness directive, which resulted in the subsequent failure and separation of the vertical stabilizer due to fatigue.
- [NTSB CEN15LA335](https://openairdocs.org/ntsb/CEN15LA335), Aug 1, 2015: Air Tractor AT 502B (N502LH), Virden, IL, substantial damage. Probable cause: The pilot’s failure to establish a proper airspeed during takeoff with the airplane near its maximum gross weight and with a quartering tailwind.
- [NTSB GAA15CA152](https://openairdocs.org/ntsb/GAA15CA152), Jun 24, 2015: Air Tractor AT 502B (N6107W), Edna, TX, substantial damage. Probable cause: The pilot's failure to maintain directional control during the takeoff roll, resulting in a runway excursion, and collision with a fence.
- [NTSB WPR15LA176](https://openairdocs.org/ntsb/WPR15LA176), Jun 2, 2015: Ayres S2R T34 (N4018Q), Blythe, CA, destroyed, 1 fatal. Probable cause: The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.
- [NTSB GAA15LA101](https://openairdocs.org/ntsb/GAA15LA101), May 31, 2015: Air Tractor AT 502B (N120TF), Archer City, TX, substantial damage. Probable cause: The pilot’s failure to maintain adequate clearance from power transmission lines during an aerial application flight.
- [NTSB CEN15LA226](https://openairdocs.org/ntsb/CEN15LA226), May 10, 2015: Air Tractor AT 502B (N879JA), Dighton, KS, substantial damage. Probable cause: The pilot's failure to follow the Preflight checklist and his inadequate preflight inspection, during which he failed to detect the water contamination of the fuel, which resulted in a partial loss…
- [NTSB CEN15LA222](https://openairdocs.org/ntsb/CEN15LA222), May 5, 2015: Air Tractor AT 502B (N4221G), Basile, LA, destroyed, 1 fatal. Probable cause: The pilot’ failure to maintain adequate clearance from trees while maneuvering during an aerial application flight.
- [NTSB WPR15LA048](https://openairdocs.org/ntsb/WPR15LA048), Nov 30, 2014: Air Tractor AT 502B (N946TR), Somerton, AZ, destroyed, 1 fatal. Probable cause: A loss of airplane control for reasons that could not be determined based on available evidence.
- [NTSB CEN14CA464](https://openairdocs.org/ntsb/CEN14CA464), Aug 27, 2014: Air Tractor AT 502B (N369AB), Colusa, IL, substantial damage. Probable cause: The pilot did not maintain control of the airplane during takeoff from a grass strip. Contributing was the airplane being loaded beyond its capability for the runway.
- [NTSB CEN14CA429](https://openairdocs.org/ntsb/CEN14CA429), Jul 29, 2014: Air Tractor AT 502B (N502NR), Minden, NE, substantial damage. Probable cause: The pilot's inadequate survey of the aerial application field which resulted in a collision with a windmill.
- [NTSB CEN14CA341](https://openairdocs.org/ntsb/CEN14CA341), Jun 26, 2014: Air Tractor AT 402B (N5197U), Sudan, TX, substantial damage. Probable cause: The pilot's lapse in monitoring the airplane's speed during a low level aerial application maneuver and its subsequent stall during the maneuver.
- [NTSB WPR14CA003](https://openairdocs.org/ntsb/WPR14CA003), Oct 2, 2013: Air Tractor AT 402B (N402TR), Wellton, AZ, substantial damage. Probable cause: The pilot’s distracted attention and failure to maintain sufficient altitude to clear terrain while maneuvering in dark night conditions.
- [NTSB CEN13LA391](https://openairdocs.org/ntsb/CEN13LA391), Jul 2, 2013: Air Tractor AT-402B (N2072D), Ipswich, SD, substantial damage. Probable cause: The pilot’s failure to obtain adequate airspeed during the takeoff roll, which resulted in an aerodynamic stall.
- [NTSB CEN13LA384](https://openairdocs.org/ntsb/CEN13LA384), Jun 28, 2013: Ayres S2R-T34 (N455JM), Heth, AR, substantial damage. Probable cause: The partial collapse of the right main landing gear during landing due to an improper previous weld repair to the right main landing gear and subsequent corrosion, which resulted in a loss of…
- [NTSB CEN11LA487](https://openairdocs.org/ntsb/CEN11LA487), Jul 18, 2011: Ayres S2R (N70216), Burlington, CO, substantial damage. Probable cause: A loss of engine power for undetermined reasons.
- [NTSB CEN09CA194](https://openairdocs.org/ntsb/CEN09CA194), Mar 6, 2009: Air Tractor AT-502B (N648LA), Harrold, SD, substantial damage. Probable cause: The pilot's failure to maintain clearance from the power lines during his turn to reverse course due to weather. Contributing to the accident was the reduced visibility at the time of the accident.
- [NTSB DFW05LA182](https://openairdocs.org/ntsb/DFW05LA182), Jul 14, 2005: Ayres S2R-T15 (N3098R), Bonita, LA, minor damage. Probable cause: The failure of the pilot to maintain adequate visual lookout, which resulted in a midair collision.

## FAA accident and incident reports (68, newest 50)

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 20260707009409A](https://openairdocs.org/incident/20260707009409A), Jul 7, 2026: Air Tractor Inc AT-502B (N647LA), Ogden, UT, Substantial damage. On July 7, 2026, during the takeoff acceleration at Ogden-Hinckley Airport (ogd), the pilot in command (PIC) experienced abnormal flutter and binding in the…
- [Accident 20260615013429A](https://openairdocs.org/incident/20260615013429A), Jun 15, 2026: Air Tractor Inc AT-502B (N503GK), Forbes, MO, Destroyed, 1 fatal. Arrived on scene in holt co. Missouri and found aircraft N503GK"s nose section embedded in soft soil at approximately 45 degree angle and inverted. Aircraft…
- [Accident 20250722008699A](https://openairdocs.org/incident/20250722008699A), Jul 22, 2025: Air Tractor Inc AT-502B (N502KB), Hastings, NE, Substantial damage. While conducting agricultural operations, the aircraft struck a power transmision lines while on a clean up pass. One power line damaged the prop, windshield,…
- [Accident 20250715007939A](https://openairdocs.org/incident/20250715007939A), Jul 15, 2025: Air Tractor Inc AT-402B (N647RA), Wyoming, IL, Substantial damage. The pilot stated that he left aledo, IL at approximately 0600 on Tuesday July 15, 2025 with the fuel tank ¾ full and the aircraft holds 234 usable gallons of…
- [Accident 20250624006999A](https://openairdocs.org/incident/20250624006999A), Jun 24, 2025: Air Tractor Inc AT-402B (N107ML), Pierre, SD, Substantial damage. Local family farm pilot son & part [privacy data omitted] of aircraft was spraying their farm field under a high-tension power line. Attempted to climb over…
- [Accident 20250622010019A](https://openairdocs.org/incident/20250622010019A), Jun 22, 2025: Air Tractor Inc AT-502B (N114WL), Charleston, MO, Destroyed. On June 22, 2025, at approximately 19:26 CDT, the PIC of [privacy data omitted], an Air tractor AT-502B, departed the Mississippi County Airport (kchq),…
- [Accident 20241008015419A](https://openairdocs.org/incident/20241008015419A), Oct 8, 2024: Air Tractor Inc AT-502B (N243LA), Corcoran, CA, Substantial damage. On October 18, 2024, an agricultural Air tractor was returning from dispensing operations. While approaching the runway, the pilot inadvertently moved the fuel…
- [Incident 20241006019259I](https://openairdocs.org/incident/20241006019259I), Oct 6, 2024: Thrush Aircraft Inc S2R-T34 (N3052V), Brawley, CA, Minor damage. During taxi alongside a water drainage canal, the aircraft left main gear encountered an eroded area in the dirt and the aircraft slid towards the drainage…
- [Incident 20240914015579I](https://openairdocs.org/incident/20240914015579I), Sep 14, 2024: Thrush Aircraft Inc S2R-T34 (N5306B), Camilla, GA, Substantial damage. The pilot stated on September 14, 2024 he was involved in an incident in Thrush aircraft [privacy data omitted] around 8:30 am. The aircraft was fueled, oil…
- [Accident 20240614006952A](https://openairdocs.org/incident/20240614006952A), Jun 14, 2024: Air Tractor Inc AT-502B (N2032K), Whiteface, TX, Destroyed. The company owning and operating the two mishap aircraft was hired to spray two adjacent fields. The two square fields form a rectangle aligned north-south and…
- [Accident 20240614006942A](https://openairdocs.org/incident/20240614006942A), Jun 14, 2024: Air Tractor Inc AT-502B (N8525V), Whiteface, TX, Destroyed, 1 fatal. The company[privacy data omitted] and operating the two mishap aircraft was hired to spray two adjacent fields. The two square fields form a rectangle aligned…
- [Incident 20240501004879I](https://openairdocs.org/incident/20240501004879I), May 1, 2024: Thrush Aircraft Inc S2R-T34 (N5297F), Bucklin, KS, Minor damage. On 05/01/2024 a Thrush S2R-T34 piloted by a commercial pilot performed a landing at Bucklin Airport (8K0) on turf runway 35, 2560 feet long. The wind was 110…
- [Accident 20230919011429A](https://openairdocs.org/incident/20230919011429A), Sep 19, 2023: Air Tractor Inc AT-502B (N502NB), Carrington, ND, Destroyed, 1 fatal. At approximately 1400 on tue sept 19, 2023, received call from roc of an accident north of Carrington ND just west of highway 281 and north of 12th st.…
- [Incident 20230627015699I](https://openairdocs.org/incident/20230627015699I), Jun 27, 2023: Thrush Aircraft LLC S2R-510 (N5353B), Albany, GA, Substantial damage. The flight began at approximately 10:05 and started with engine start and ground ops checks associated with the production flight test. Ari springs were noted…
- [Accident 20230603005799A](https://openairdocs.org/incident/20230603005799A), Jun 3, 2023: Air Tractor Inc AT-502B (N509HB), Lake Village, AR, Substantial damage. On 6/2/2023 the airplane was picked up from a maintenance repair facility and flown back to home airport after recieving maintenance on the propeller beta…
- [Incident 20230530006309I](https://openairdocs.org/incident/20230530006309I), May 30, 2023: Air Tractor Inc AT-502B (N261JB), Norfolk, NE, Minor damage. While practicing the pilot landed on runway 20, lost directional control, departed the runway to the left, contacted a taxi light, a PAPI light and a windsock…
- [Incident 20220912008499I](https://openairdocs.org/incident/20220912008499I), Sep 12, 2022: Thrush Aircraft Inc S2R-T34 (N7008M), hollandale, MS, Minor damage. steele farms airport, hollandale, MS (90ms): N7008M, thrush s2r-t34, ABORTED TAKEOFF AND LOST DIRECTIONAL CONTROL. AIRCRAFT VEERED OFF OF THE RUNWAY AND STRUCK…
- [Accident 20220711008399A](https://openairdocs.org/incident/20220711008399A), Jul 11, 2022: Air Tractor Inc AT-502B (N5850R), Decatur, IL, Substantial damage. Narrative: NORMAL TAKEOFF FROM RUNwAY 06 AT DECATUR ILLINOIS (KDEC) TO THE NORTHEAST APROXIMATELY 0630 LOCAL TIME ON 07/11/2022 WITH A PLAN TO SPRAY A…
- [Incident 20211005014489I](https://openairdocs.org/incident/20211005014489I), Oct 5, 2021: Dehavilland DHC-3 (N3324T), Ketchikan, AK, Minor damage. At approximately 1100 AKDT, during climb out, pilot experienced a runaway engine. The engine was shut off and an uneventful emergency landing was completed.…
- [Accident 20210806011439A](https://openairdocs.org/incident/20210806011439A), Aug 6, 2021: Air Tractor Inc AT-502B (N502CP), Hoyt, KS, Substantial damage. The pilot/aircraft departed K59 and was in the process of aerial Application of chemicals to a field when the fuel low light illuminated. 10 minutes later the…
- [Accident 20210715007009A](https://openairdocs.org/incident/20210715007009A), Jul 15, 2021: Air Tractor Inc AT-502B (N334LA), Edcouch, TX, Substantial damage. July 15, 2021 at 1110 CDT, an Air tractor 502B, was unable to climb while in ground effect. The aircraft began to encounter the sugar cane off the departure…
- [Accident 20210617007849A](https://openairdocs.org/incident/20210617007849A), Jun 17, 2021: Air Tractor Inc AT-402B (N402SJ), Kinston, NC, Destroyed, 1 fatal. The roc received a report from the NC highway patrol about an aircraft crash near Kinston drag strip at the intersection of HIGHWAY11/55 and asheland drive in…
- [Accident 20200725016259A](https://openairdocs.org/incident/20200725016259A), Jul 25, 2020: Air Tractor Inc AT-502B (N502KJ), Grant, NE, Substantial damage, 1 fatal. On July 25, 2020, at approximately 1148 MDT, N502KJ, Air tractor model AT-502B s/n 502B-2821 conducting aerial application operations crashed into a cornfield…
- [Accident 20200715015439A](https://openairdocs.org/incident/20200715015439A), Jul 15, 2020: Air Tractor Inc AT-502B (N2038Q), Washington, NC, Substantial damage. The PIC was landing at a non-chartered private grass strip that was very wet from the rain the night before. The PIC stated that he touched downed in the…
- [Accident 20200629007739A](https://openairdocs.org/incident/20200629007739A), Jun 29, 2020: Air Tractor Inc AT-502B (N42190), South Bay, FL, Substantial damage. Part 137 operation under [privacy data omitted], FAA certificate number [privacy data omitted]. Air tractor AT-502B, serial number 502B-2705, registration…
- [Accident 20200616007649A](https://openairdocs.org/incident/20200616007649A), Jun 16, 2020: Air Tractor Inc AT-502B (N879JA), Atmore, AL, Destroyed, 1 fatal. An aerial application turbine aircraft was returning from his second and final load of the day. The pilot flew low level over his residence when the aircraft…
- [Accident 20200208000759A](https://openairdocs.org/incident/20200208000759A), Feb 8, 2020: Air Tractor Inc AT-504 (N970FA), Ft. Morgan, CO, Substantial damage. The pilot lost control of the aircraft on landing. After a small bounce, the aircraft swung to the left. The pilot over corrected to the right and then to the…
- [Accident 20190816015469A](https://openairdocs.org/incident/20190816015469A), Aug 16, 2019: Air Tractor Inc AT-502B (N500KA), Onida, SD, Substantial damage. On August 16, 2019 at approximately 1330HRS local an AT-502B struck a high tension power line while conducting part 137 agricultural aerial application…
- [Accident 20190804013349A](https://openairdocs.org/incident/20190804013349A), Aug 4, 2019: Air Tractor Inc AT-502B (N730JD), Waco, NE, Substantial damage. During aerial application operations, the aircraft impacted antenna tower guy wires. The guy wires eventually broke and the pilot was able to maneuver the…
- [Accident 20190613006869A](https://openairdocs.org/incident/20190613006869A), Jun 13, 2019: Air Tractor Inc AT-502B (N103CK), San Benito, TX, Substantial damage. June 13, 2019 at 1530 CDT, an Air tractor 502B, was unable to accelerate and climb while in ground effect. The aircraft began to encounter the brush off the…
- [Incident 20181017020219I](https://openairdocs.org/incident/20181017020219I), Oct 17, 2018: Air Tractor Inc AT-402B (N647RA), Brawley, CA, Minor damage. While traveling south to north the pilot could see the telephone pole but with the setting sun lost sight of the telephone line. Thinking he was high enough…
- [Accident 20180818014439A](https://openairdocs.org/incident/20180818014439A), Aug 18, 2018: Air Tractor Inc AT-502B (N502RL), Bronson, MI, Destroyed, 1 fatal. On August 18, 2018 at 1720 eastern daylight time, an Air tractor AT-502B aircraft, N502RL, registered to a certificated aerial application company and operated…
- [Accident 20180619008229A](https://openairdocs.org/incident/20180619008229A), Jun 19, 2018: Air Tractor Inc AT-502B (N2063B), Enid, OK, Destroyed, 1 fatal. N2063B Air tractor aircraft involved in agricultural operations was moving from wsw to ene in steady climb hit a communications tower. Tower was 419FEET high…
- [Accident 20171011014529A](https://openairdocs.org/incident/20171011014529A), Oct 11, 2017: Air Tractor Inc AT-402B (N80060), Brawley, CA, Substantial damage. PIC experienced loss of control (LOC) of the conventional gear, agricultural aircraft during landing rollout. Landing area was a dry, graded road adjacent to…
- [Incident 20170902017519I](https://openairdocs.org/incident/20170902017519I), Sep 2, 2017: Thrush Aircraft Inc S2R-T34 (N5297F), Burlington, KS, No damage. On September 2, 2017, at approximately 1040 central daylight time (CDT), an ayres Thrush S2R-T34 series aircraft, owned and operated by a local 14 CFR part 137…
- [Accident 20170726012629A](https://openairdocs.org/incident/20170726012629A), Jul 26, 2017: Air Tractor Inc AT-502B (N421CA), Harrold, SD, Substantial damage. On 7/26/2017 at 1630 an Air tractor 502B owned/registered to custom Air, inc. was involved in an accident during flight while performing 137 aerial…
- [Incident 20170722014779I](https://openairdocs.org/incident/20170722014779I), Jul 22, 2017: Air Tractor Inc AT-502B (N4200S), Masterson, TX, Minor damage. On July 22, 2017, N4200S, an Air tractor 502 caught the top neutral wire of a powerline with his landing gear while spraying mesquite brush near Masterson…
- [Accident 20170505008689A](https://openairdocs.org/incident/20170505008689A), May 5, 2017: Thrush Aircraft Inc S2R-H80 (N3045R), Gypsum, KS, Substantial damage. On may 5, 2017, at approximately 1500 hrs central standard time, the airman, and pilot-in-command, of a Thrush aircraft,S2R-H80, was involved in an aircraft…
- [Accident 20161018016779A](https://openairdocs.org/incident/20161018016779A), Oct 18, 2016: Air Tractor Inc AT-502B (N4218E), Paragould, AR, Substantial damage. On October 18, 2016 at 0950 CDT, an Air tractor 502B, N4218E, registered to cardinal Air, LLC, struck power lines while conducting aerial application, made…
- [Accident 20160723013331A](https://openairdocs.org/incident/20160723013331A), Jul 23, 2016: Air Tractor Inc AT-502B (N502WC), Zamora, CA, Destroyed, 1 fatal. While returning to the pilots home airport N502WC had a mid Air collision with N5044N.
- [Accident 20160418004939A](https://openairdocs.org/incident/20160418004939A), Apr 18, 2016: Air Tractor Inc AT-502 (N301LA), Terry, LA, Destroyed, 1 fatal. Aircraft was conducting aerial spraying operations. Aircraft departed with 300 gallons of product and ¾ fuel. It was the pilot?s second load of the morning.…
- [Incident 20160225001259I](https://openairdocs.org/incident/20160225001259I), Feb 25, 2016: Air Tractor Inc AT-502B (N512MP), Floydada, TX, Minor damage. On February 25, 2016 an Air tractor model AT-502 serial number 502B-2948 bearing registration N512MP, contacted an overhead neutral powerline while exiting a…
- [Incident 20151029017609I](https://openairdocs.org/incident/20151029017609I), Oct 29, 2015: Air Tractor Inc AT-402B (N73LA), Lake Charles, LA, Minor damage. Struck bird while conducting mosquito control activity
- [Accident 20150801011289A](https://openairdocs.org/incident/20150801011289A), Aug 1, 2015: Air Tractor Inc AT-502B (N502LH), Virden, IL, Destroyed. Aircraft attempted a departure from 25IL (Holzwarth Flying Service airport) runway 27. During the chemical load and taxi to the runway the pilot verified the…
- [Accident 20150625010019A](https://openairdocs.org/incident/20150625010019A), Jun 25, 2015: Air Tractor Inc AT-502B (N6107W), Edna, TX, Substantial damage. Pilot stated he attempted to take off from a grass runway. As the aircraft got light it drifted right and made contact with a fence on the west side of the…
- [Accident 20150602011079A](https://openairdocs.org/incident/20150602011079A), Jun 2, 2015: Ayres Corporation S2R-T34 (N4018Q), Blythe, CA, Destroyed, 1 fatal. Pilot had just completed spraying field and was heading back to base. Eye witness describes the aircraft at a 90 degree nose up position when he first saw the…
- [Accident 20150531006949A](https://openairdocs.org/incident/20150531006949A), May 31, 2015: Air Tractor Inc AT-502B (N120TF), Archer City, TX, Substantial damage. The accident occurred while the aircraft was spraying a pasture with herbicide to eradicate mesquite bushes. The pasture is approximately 5 miles south of…
- [Accident 20150510006669A](https://openairdocs.org/incident/20150510006669A), May 10, 2015: Air Tractor Inc AT-502B (N879JA), Dighton, KS, Substantial damage. On departure after making an immediate turn to the west, the pilot reduced power and the engine subsequently continued to decrease in torque. The pilot…
- [Accident 20150505006419A](https://openairdocs.org/incident/20150505006419A), May 5, 2015: Air Tractor Inc AT-502B (N4221G), Basile, LA, Destroyed, 1 fatal. Pilot was fertilizing a rice field. On his last pass, he was approximately 35 ft high just outside of telephone poles/wires spraying the edge of field. At the…
- [Accident 20141130022619A](https://openairdocs.org/incident/20141130022619A), Nov 30, 2014: Air Tractor Inc AT-502B (N946TR), Somerton, AZ, Destroyed, 1 fatal. On 11-30-2014, @ 0115, an Air tractor 502B crashed in an agricultural field, about ¾ miles east of the company airstrip. The manager of the aerial application…

All 68: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34ag/incidents.md

## Service difficulty reports (79, newest 50)

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

- [SDR 2021F00302](https://openairdocs.org/sdr/2021F00302), Oct 19, 2021: FUEL CONTROL. FAILED. FUEL CONTROL PERFORMED AN COMMANDED ACCELERATION, OVERSPEED GOVERNOR STOPPED THE OVERSPEED FROM HAPPENING.
- [SDR CA151208009](https://openairdocs.org/sdr/CA151208009), Nov 20, 2015: HEADER TANK. CORRODED. (CAN) THE FUEL SYS HEADER TANK BOTTOM WAS DESIGNED SO ALL CONTAMINANTS WOULD DRAIN TO THE LOWEST POINT OF THE TANK WHERE THERE IS A DRAIN POINT. DURING MFG THE 
- [SDR CA151103002](https://openairdocs.org/sdr/CA151103002), Nov 3, 2015: BLEED VALVE. LOOSE. (CAN) DURING THE ANNUAL INSPECTION, A BORESCOPE OF THE COMPRESSOR SECTION WAS BEING CARRIED OUT. WHEN THE BLEED AIR VALVE ASSY WAS TO BE REMOVED TO PROVIDE ACCE
- [SDR CA150727018](https://openairdocs.org/sdr/CA150727018), Jul 27, 2015: CABLE. LOOSE. (CAN) TAIL WHEEL LOCK CABLE FOUND OFF THE REAR PULLEY, PREVENTING THE TAIL WHEEL FROM UNLOCKING. THE PULLEY ATTACH BRACKET MOUNTED TO THE STERN POST DIAGONAL TU
- [SDR CA150525007](https://openairdocs.org/sdr/CA150525007), May 10, 2015: ENGINE. POWER LOSS. (CAN) PILOT REPORTED THAT AFTER TAKEOFF WHILE THROTTLING BACK TO CRUISE SETTING, ENG EXPERIENCED A ROLL BACK TO IDLE. PILOT PROCEEDED TO LAND THE ACFT & DURING 
- [SDR CA150701001](https://openairdocs.org/sdr/CA150701001), Apr 1, 2015: ENGINE. SHUTDOWN. (CAN) THIS EVENT WAS JUST REPORTED TO SERVICE INVESTIGATION FROM THE REGIONAL SALE MANAGER. AS PER THE PILOT REPORT. 6 SECOND AFTER TAKEOFF, SAW A WHITE SMOKE G
- [SDR CA150120003](https://openairdocs.org/sdr/CA150120003), Jan 6, 2015: ENGINE. POWER LOSS. (CAN) DURING A FLIGHT, THE ENGINE REDUCED POWER. THE COMPRESSOR SPEED NG DROPPED TO AROUND 45%. THE PILOT LANDED ON A PRIVATE FARM ROAD. THE CUSTOMER IS WAITING
- [SDR CA141003011](https://openairdocs.org/sdr/CA141003011), Oct 2, 2014: BLADE. CRACKED. (CAN) DURING HOT SECTION INSPECTION, 1 COMPRESSOR TURBINE BLADE, FOUND CRACKED AT T/E, APPROXIMATELY MID CORD, LT UNDETECTED, COULD HAVE LED TO BLADE SEPARATION
- [SDR CA140826014](https://openairdocs.org/sdr/CA140826014), Aug 11, 2014: FUEL CONTROL. MALFUNCTIONED. (CAN) DURING FLIGHT, THE ENGINE DOES NOT ACCELERATE PROPERLY WHEN THE AIR CONDITIONING SYSTEM IS ON, AND WHEN THE AIR CONDITIONING SYSTEM IS OFF THE ENGINE REAC
- [SDR CA140630016](https://openairdocs.org/sdr/CA140630016), Jun 17, 2014: ENGINE. NOT REPORTED. (CAN) PILOT REPORTED, THE ACFT HAD AN ENGINE ISSUE DURING TAKEOFF AND CRASHED INTO FIELD STRAIGHT AHEAD. THE ACFT SHOWED SUBSTANTIAL DAMAGES AND THE PILOT SUFFE
- [SDR CA140423009](https://openairdocs.org/sdr/CA140423009), Apr 15, 2014: RIB. CRACKED. (THE MFG HAS ADDED 4 FT TO THE WING FROM THE ORIGINAL DESIGN WHICH MAY HAVE CAUSED ADDED STRESS ON THE OTBD WING RIBS. PLEASE NOTE THAT THE LT & RT WINGS HAD CR
- [SDR CA140424010](https://openairdocs.org/sdr/CA140424010), Apr 11, 2014: BLADE. FRACTURED. (CAN) DURING NEW ACFT FLIGHT TEST, ON THE 2ND TAKEOFF, THE ENGINE LOST POWER AND THE PILOT HEARD METALLIC NOISES. THE TAKEOFF WAS ABORTED. MFG LOCAL FIELD SERVI
- [SDR CA140424002](https://openairdocs.org/sdr/CA140424002), Mar 31, 2014: ENGINE. POWER LOSS. (CAN) CLIMBING THROUGH 150`, THE ENGINE LOST POWER AND THE PILOT WAS FORCED INTO A LANDING IN A FIELD WHERE A WET DENSE CROP OF COTTON WAS LOCATED. DURING LANDI
- [SDR CA131215003](https://openairdocs.org/sdr/CA131215003), Nov 27, 2013: FUEL CONTROL. MALFUNCTIONED. (CAN) THE CUSTOMER REPORTED A LOW IDLE AT 61 PERCENT NG. WHEN THE PILOT MOVED THE LEVER TO HIGH IDLE IT GOES TO 80 PERCENT NG. WHEN THE PILOT RETURNED THE LEVER
- [SDR CA130911001](https://openairdocs.org/sdr/CA130911001), Sep 2, 2013: POWER LEVER. FAILED. (CAN) THE CUSTOMER INFORMED THE MFG FSR THAT ONE OF THEIR SPRAY ACFT CRASHED DURING COTTON SPRAYING ACTIVITY. ACCORDING THE OPERATOR, THE ENGINE FLAMED OUT AFTE
- [SDR CA130626009](https://openairdocs.org/sdr/CA130626009), Jun 24, 2013: PRESSURE SWITCH. STUCK. (CAN) THE MICROSWITCH SIDE OF THE FUEL FILTER/FUEL PRESSURE WARNING SYS ASSEMBLY IS STUCK IN THE CLOSED POSITION, CAUSING A FALSE FUEL PRESSURE WARNING INDICATI
- [SDR CA130605002](https://openairdocs.org/sdr/CA130605002), Jun 3, 2013: STARTER GEN. FAILED. (CAN) WHILE ATTEMPTING A COMPRESSOR DESALINATION, PERFORMANCE RECOVERY WASH THE STARTER GENERATOR EMITTED A GRINDING NOISE AND FAILED UPON INITIAL SPOOL UP.
- [SDR CA130530003](https://openairdocs.org/sdr/CA130530003), May 20, 2013: FUEL CONTROL. MALFUNCTIONED. (CAN) DURING A CROP DUSTING RUN, THE ENGINE TORQUE DROPPED FROM 45PSI DOWN TO 30PSI. THE PILOT ADVANCED THE POWER LEVER BUT THE ENGINE TORQUE SURGED AND WAS UNS
- [SDR CA130430003](https://openairdocs.org/sdr/CA130430003), Apr 11, 2013: ENGINE. MAKING METAL. (CAN) A CHIP LIGHT INDICATION CAME ON DURING FLIGHT. UPON LANDING, THE ENGINE PROPELLER WENT INTO UNCOMMANDED FEATHER AND WOULD NOT COME OUT OF FEATHER. POST FL
- [SDR CA130416001](https://openairdocs.org/sdr/CA130416001), Mar 5, 2013: FUEL CONTROL. MALFUNCTIONED. (CAN) AFTER T/O, THE ENGINE POWER COULD NOT BE REDUCED AND THERE WAS NO RESPONSE FROM THE POWER LEVER. THE PILOT PUT THE ACFT IN CLIMB MODE TO CONTROL SPEED AND
- [SDR CA121022012](https://openairdocs.org/sdr/CA121022012), Oct 2, 2012: ENGINE. POWER LOSS. (CAN) WHILE SPRAYING, THE ENGINE LOST POWER BUT DID NOT SHUTDOWN. THE PILOT ATTEMPTED TO RECOVER POWER BY PUSHING THE THROTTLE FORWARD, TURNING BOOST PUMPS ON, 
- [SDR CA120411006](https://openairdocs.org/sdr/CA120411006), Mar 2, 2012: FUEL CONTROL. MALFUNCTIONED. (CAN) DURING THE LOADING OF CHEMICALS INTO THE ACFT FOR SPRAYING, THE PILOT HAD JUST REMOVED THE SUPPLY LINE TO THE ACFT WHEN HE HEARD THE ENGINE START TO INCRE
- [SDR 2011FA0000540](https://openairdocs.org/sdr/2011FA0000540), Aug 24, 2011: FUEL SYS. MALFUNCTIONED. TOTAL ENGINE FAILURE WHILE PERFORMING AERIAL APPLICATION. EXAMINATION OF THE FUEL SYS REVEALED AIR IN FUEL FEED LINE FROM THE BOOST PUMP TO THE ENGINE PUMP INLE
- [SDR CA110803001](https://openairdocs.org/sdr/CA110803001), Jul 18, 2011: ENGINE. POWER LOSS. (CAN) DURING T/O, AN ENGINE POWER LOSS OCCURRED AND THE PILOT LOST CONTROL OF THE ACFT BEFORE EXITING THE RUNWAY INTO A SOYBEAN FIELD. THE PILOT WAS NOT INJURED
- [SDR CA110803007](https://openairdocs.org/sdr/CA110803007), Jul 18, 2011: ENGINE. POWER LOSS. (CAN) ON SHORT FINAL AFTER A 45 MIN SPRAY RUN, THE ENGINE LOST POWER, SHUTDOWN AND THE PILOT HAD TO MAKE A FORCED LANDING IN A FIELD, SHORT OF THE RUNWAY. THE P
- [SDR CA110711005](https://openairdocs.org/sdr/CA110711005), Jun 24, 2011: ENGINE. POWER LOSS. (CAN) ACCIDENT WHILE IN CRUISE FLIGHT ABOUT 800 FEET ABOVE GROUND LEVEL, THE ENGINE LOST POWER AND THE PILOT INITIATED A FORCED LANDING TO AN AREA OF OPEN, UNEV
- [SDR CA110627008](https://openairdocs.org/sdr/CA110627008), Jun 16, 2011: ENGINE. POWER LOSS. (CAN) IFSD, SINGLE ENGINE, UPON PERFORMING THE 8TH PASS OF A SPRAYING OPERATION OVER A FIELD, THE PILOT HEARD A LOUD NOISE FROM THE ENGINE FOLLOWED BY A LOSS OF
- [SDR CA110627009](https://openairdocs.org/sdr/CA110627009), Jun 16, 2011: ENGINE. MALFUNCTIONED. (CAN) ACCIDENT DURING AN UNKNOWN PHASE OF FLIGHT, THE PILOT HEARD A LOUD NOISE FROM THE ENGINE FOLLOWED BY SMOKE AND LOSS OF POWER. THE ACFT MADE AN EMERGENCY L
- [SDR CA110516008](https://openairdocs.org/sdr/CA110516008), May 6, 2011: ENGINE. POWER LOSS. POWER LOSS (SINGLE ENGINE DURING T/O ROLL, THE ENGINE HAD A POWER LOSS. THE PILOT ABORTED T/O, REDUCED POWER TO IDLE AND SHUT THE ENGINE DOWN. THE ACFT WAS TOWE
- [SDR CA100817006](https://openairdocs.org/sdr/CA100817006), Aug 4, 2010: ENGINE. POWER LOSS. ACCIDENT, NTSB CALLED AND REPORTED THE ACCIDENT. PILOT REPORTED ENGINE POWER LOSS. ACFT SUSTAINED SUBSTANTIAL DAMAGE. SERVICE INVESTIGATION INVESTIGATOR IN CONT
- [SDR CA100817010](https://openairdocs.org/sdr/CA100817010), Aug 4, 2010: ENGINE. POWER LOSS. ACCIDENT, NTSB CALLED AND REPORTED THE ACCIDENT. PILOT REPORTED ENGINE POWER LOSS. ACFT SUSTAINED SUBSTANTIAL DAMAGE. SERVICE INVESTIGATION INVESTIGATOR IN CONT
- [SDR CA100622002](https://openairdocs.org/sdr/CA100622002), Jun 3, 2010: ENGINE. STOPPED. ACCIDENT DURING A SPRAYING RUN PILOT REPORTED ENGINE LOST POWER AND ACFT HIT POWER LINES THEN IMPACTED A CORN FIELD. THE ACFT SUSTAINED SUBSTANTIAL DAMAGE. THE 
- [SDR CA100726008](https://openairdocs.org/sdr/CA100726008), Jun 3, 2010: ENGINE. POWER LOSS. (CAN) ACCIDENT DURING A SPRAYING RUN PILOT REPORTED ENGINE LOST POWER AND ACFT HIT POWER LINES THEN IMPACTED A CORN FIELD. THE AIRCRAFT SUSTAINED SUBSTANTIAL DA
- [SDR CA100608003](https://openairdocs.org/sdr/CA100608003), May 18, 2010: ENGINE. FAILED. ACCIDENT DURING A SPRAY RUN, THE ENGINE LOST POWER AND THE PILOT MADE A FORCED LANDING ON A COUNTRY ROAD. THE ACFT SKIDDED SEVERAL HUNDRED FT AND HIT A UTILITY 
- [SDR CA100224003](https://openairdocs.org/sdr/CA100224003), Feb 8, 2010: FCU. FAILED. (CAN) POWER LOSS: THE ENGINE EXPERIENCED AN INFLIGHT SPOOLDOWN TO IDLE ON A CUSTOMER`S THRUSH. THE PILOT MANAGED TO PUT THE ACFT DOWN IN A FIELD WITHOUT ANY DAM
- [SDR CA100224006](https://openairdocs.org/sdr/CA100224006), Jan 12, 2010: FCU. SEPARATED. (CAN) ABORTED TAKEOFF: DURING TAKEOFF ROLL, ENGINE RAN BACK TO IDLE WITH NO CLOSURE OF THE CLA WITHOUT WARNING OR OTHER INDICATION. THE PILOT CONCENTRATED ON CO
- [SDR CA100209007](https://openairdocs.org/sdr/CA100209007), Jan 8, 2010: ENGINE. FAILED. (CAN) ACCIDENT DURING T/O TO CONDUCT A SPRAY RUN WITH A FULL HOPPER LOAD, AT APPROX TWO THIRDS OF THE LENGTH OF THE STRIP, THE ENGINE POWER WAS LOST. THE PILOT 
- [SDR CA091222004](https://openairdocs.org/sdr/CA091222004), Dec 15, 2009: ENGINE. SMOKE. (CAN) A NOISE FROM THE ENGINE FOLLOWED BY WHITE SMOKE FROM THE EXHAUST. MANUFACTURER WILL INVESTIGATE TO ESTABLISH ROOT CAUSE AND SUPPLEMENT THE REPORT ONCE THE
- [SDR CA090325004](https://openairdocs.org/sdr/CA090325004), Jan 19, 2009: TURBINE BLADES. FAILED. (CAN) DURING A SPRAY RUN, AFTER A NORMAL T/O, THE ENGINE LOST POWER AND THE PILOT IMMEDIATELY DUMPED THE CONTENTS OF THE HOPPER BEFORE MAKING A FORCED LANDING I
- [SDR 2008FA0000730](https://openairdocs.org/sdr/2008FA0000730), Sep 3, 2008: BELLOWS. DAMAGED. FCU (PN 32447866-6, SN B32178) BENCH TESTED AND FOUND TO BE UNSERVICEABLE DUE TO BREACHED BELLOWS, (PN 2523631, SN 8011). (K)
- [SDR CA080319008](https://openairdocs.org/sdr/CA080319008), Mar 6, 2008: ENGINE. POWER LOSS. DURING TAKEOFF ROLL, A NOISE WAS HEARD ACCOMPANIED BY LOSS OF ENGINE POWER. THE TAKEOFF WAS ABORTED. INITIAL INSPECTION REVEALED FRAGMENTS SIMILAR TO COMPRESSOR
- [SDR CA071016004](https://openairdocs.org/sdr/CA071016004), Jun 20, 2007: ENGINE. POWER LOSS. (CAN) DURING SPRAYING OPERATIONS, THE ENGINE LOST POWER AND THE AIRCRAFT SUBSEQUENTLY CRASHED. MFG WILL INVESTIGATE THE INCIDENT AND ADVISE OF ROOT CAUSE ONCE E
- [SDR CA060731018](https://openairdocs.org/sdr/CA060731018), Jul 11, 2006: ENGINE. VIBRATES. (CAN) DURING FLIGHT THE ENGINE WAS REPORTED TO LOSE POWER ACCOMPANIED BY HEAVY VIBRATIONS. A FORCED LANDING WAS CARRIED OUT RESULTING IN AIRFRAME DAMAGE. MFG WI
- [SDR CA060731009](https://openairdocs.org/sdr/CA060731009), Jul 4, 2006: TURBINE BLADES. FRACTURED. (CAN) THE ENGINE WAS REPORTED TO LOSE ALL POWER IN CRUISE. A DEAD-STICK LANDING WAS PERFORMED IN A FIELD RESULTING IN AIRFRAME DAMAGE. SUBSEQUENT INSPECTION REV
- [SDR CA060606004](https://openairdocs.org/sdr/CA060606004), Jun 5, 2006: LINE. CRACKED. (CAN) PILOT REPORTED RT BRAKE ALWAYS GOES SOFT WHILE TAXING. AFTER INSPECTING ENTIRE BRAKE INSTALLATION FOR LEAKS, FOUND THE FWD AND AFT BRAKE CALIPER INTERCONN
- [SDR CA060425015](https://openairdocs.org/sdr/CA060425015), Apr 5, 2006: TURBINE BLADES. FRACTURED. ON TAKEOFF, THE ENGINE WAS SEEN TO EMIT SMOKE AND SPARKS FROM THE EXHAUST. SUBSEQUENT INVESTIGATION REVEALED FRACTURED COMPRESSOR TURBINE BLADES. PWC WILL INVES
- [SDR 2005FA0001091](https://openairdocs.org/sdr/2005FA0001091), Jul 26, 2005: LONGERON. CRACKED. BOTH UPPER LONGERON WAS CRACKED APPROXIMATELY 54 INCHES AFT OF DATUM. THE AREA IS DIFFICULT TO INSPECT AS IT IS 75 PERCENT COVERED BY THE HOPPER. THIS IS A VERY
- [SDR CA050725018](https://openairdocs.org/sdr/CA050725018), Jul 8, 2005: ENGINE. FAILED. THE ENGINE LOST TORQUE AND OIL PRESSURE DURING A SPRAYING RUN (AT 50 FT ALTITUDE). THE PILOT FEATHERED THE PROPELLER AND COMPLETED A FORCED LANDING WITH RESULTA
- [SDR CA050725005](https://openairdocs.org/sdr/CA050725005), Jul 1, 2005: ENGINE. POWER LOSS. (CAN) THE ENGINE REPORTEDLY LOST POWER DURING TAKEOFF WITH SUBSEQUENT DAMAGE TO THE AIRCRAFT. THE ENGINE HAD BEEN CONVERTED FROM A PT6A-15AG TO A PT6A-34AG UNDE
- [SDR CA050224009](https://openairdocs.org/sdr/CA050224009), Feb 18, 2005: ENGINE. POWER LOSS. (CAN) THE ENGINE WAS REPORTED TO HAVE LOST POWER SHORTLY AFTER DEPARTING THE RUNWAY. THE AIRCRAFT SUBSEQUENTLY IMPACTED THE GROUND. MFG WILL MONITOR INVESTIGATI

All 79: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34ag/reports.md

## STCs that may be installed (OpenAirDocs) (13)

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 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
- [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 SE09286SC](https://openairdocs.org/stc/SE09286SC): Installation of an alternate gas generator case. Airforce Turbine Service
- [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 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
- [STC SE5601SW](https://openairdocs.org/stc/SE5601SW): Replacement splined end and oil mist lubrication on accessory drive gearshaft. Aviall of Texas, Inc
- [STC SE1165EA](https://openairdocs.org/stc/SE1165EA): Assembly and installation of AW10262 wet spline starter gear seal. Airwork 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) (530, 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
- [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
- [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
- [3116033-01ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID183380911920250127211157.0001): Gasket, Eight-Hole. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 3116033-01 · Dec 18, 2024
- [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
- [3110741-02CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID169885030720250605164146.0001): Ring, Retaining, Compressor Turbine. CORE PARTS LLC · PMA PQ05326NM · Replaces 3110741-02 · Oct 31, 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
- [ST6202-011CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121242960820241204145238.0001): Packing, Preformed. CORE PARTS LLC · PMA PQ05326NM · Replaces ST6202-011 · Jun 15, 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
- [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182950761420231024191314.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Champion… · May 12, 2023
- [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID182423481520231024191312.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Pratt & Whitney Canada … · May 12, 2023
- [CH92106-5](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID170076831020231024191315.0001): Exciter-Ignition. Champion Aerospace LLC · PMA PQ1287CE · Replaces Unison10-381550-110-381550-49047840-190… · May 12, 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
- [3244777-6](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID147412801520241024194520.0001): Fuel Control Main, Turbine Engine Assembly & Installation of. Honeywell International Inc. · PMA PQ1222NM · Replaces 3244777-6 · May 2, 2023
- [3244786-8](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID107960633020241024194518.0001): Fuel Control Turboprop. Honeywell International Inc. · PMA PQ1222NM · Replaces 3244786-8 · 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

All of them: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34ag/pma.md

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