# Pratt & Whitney Canada PT6A-34 series

- Type: Engine model (FAA registry)
- Registry code: 52250
- Manufacturer (registry): P&W CANADA
- Model: PT6A-34
- Engine type: Turbo-prop
- Power: 750 hp
- Installed in: 230 registered aircraft
- Page: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34-series

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

## ADs that may apply (OpenAirDocs)

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

- [AD 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 92-15-11](https://openairdocs.org/ad/92-15-11): Compressor Delivery Air Line (P3) Filter Assembly · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-21 and 7 more. Effective Aug 17, 1992
- [AD 90-12-05](https://openairdocs.org/ad/90-12-05): Engine Overhaul · Pratt & Whitney Canada PT6A-15AG, PT6A-27, PT6A-28 and 3 more. Effective May 30, 1990
- [AD 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 75-06-01](https://openairdocs.org/ad/75-06-01): Gearbox Deterioration · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 11 more. Effective Apr 1, 1977
- [AD 75-11-04](https://openairdocs.org/ad/75-11-04): Reduction Gearbox Engine Distress · Pratt & Whitney Canada PT6A-20, PT6A-20A, PT6A-20B and 8 more. Effective May 20, 1975

## 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 (230, first 50)

- [N100AM](https://openairdocs.org/aircraft/N100AM): [Boundless Blue LLC](https://openairdocs.org/faa-owner/BOUNDLESS%20BLUE%20LLC), [Scottsdale, AZ](https://openairdocs.org/faa-place/AZ/Scottsdale), built 2018, S/N 100-0259
- [N100JF](https://openairdocs.org/aircraft/N100JF): [Isr Aviation LLC](https://openairdocs.org/faa-owner/ISR%20AVIATION%20LLC), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2005, S/N 123
- [N100KN](https://openairdocs.org/aircraft/N100KN): [Rak Kodiak LLC](https://openairdocs.org/faa-owner/RAK%20KODIAK%20LLC), [Middletown, DE](https://openairdocs.org/faa-place/DE/Middletown), built 2018, S/N 100-0257
- [N101AK](https://openairdocs.org/aircraft/N101AK): [Pacific Diversified Investments Inc](https://openairdocs.org/faa-owner/PACIFIC%20DIVERSIFIED%20INVESTMENTS%20INC), [Anchorage, AK](https://openairdocs.org/faa-place/AK/Anchorage), built 2025, S/N 100-0356
- [N101KQ](https://openairdocs.org/aircraft/N101KQ): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2013, S/N 100-0101
- [N102KQ](https://openairdocs.org/aircraft/N102KQ): [Aogline.Com Inc](https://openairdocs.org/faa-owner/AOGLINE.COM%20INC), [Fullerton, CA](https://openairdocs.org/faa-place/CA/Fullerton), S/N 100-0102
- [N107KQ](https://openairdocs.org/aircraft/N107KQ): [Jsc Rentals LLC](https://openairdocs.org/faa-owner/JSC%20RENTALS%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 2014, S/N 100-0107
- [N109WT](https://openairdocs.org/aircraft/N109WT): [Je Kodiak 2018 LLC](https://openairdocs.org/faa-owner/JE%20KODIAK%202018%20LLC), [Edina, MN](https://openairdocs.org/faa-place/MN/Edina), built 2018, S/N 100-0246
- [N112KQ](https://openairdocs.org/aircraft/N112KQ): [Rondarosa Skybus LLC](https://openairdocs.org/faa-owner/RONDAROSA%20SKYBUS%20LLC), [Grangeville, ID](https://openairdocs.org/faa-place/ID/Grangeville), built 2014, S/N 100-0112
- [N115WA](https://openairdocs.org/aircraft/N115WA): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 1964, S/N 110451
- [N117EG](https://openairdocs.org/aircraft/N117EG): [Fcs Aircraft Inc Trustee](https://openairdocs.org/faa-owner/FCS%20AIRCRAFT%20INC%20TRUSTEE), [Wilmington, DE](https://openairdocs.org/faa-place/DE/Wilmington), built 2014, S/N 100-0117
- [N120KQ](https://openairdocs.org/aircraft/N120KQ): [Mission Aviation Fellowship](https://openairdocs.org/faa-owner/MISSION%20AVIATION%20FELLOWSHIP), [Nampa, ID](https://openairdocs.org/faa-place/ID/Nampa), built 2014, S/N 100-0120
- [N123KQ](https://openairdocs.org/aircraft/N123KQ): [Valiair Lc Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 2009, S/N 100-0013
- [N125Z](https://openairdocs.org/aircraft/N125Z): [Usda Forest Service](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 2017, S/N 100-0226
- [N12MN](https://openairdocs.org/aircraft/N12MN): [Minnesota Department Of Transportation](https://openairdocs.org/faa-owner/MINNESOTA%20DEPARTMENT%20OF%20TRANSPORTATION), [Saint Paul, MN](https://openairdocs.org/faa-place/MN/Saint%20Paul), built 2024, S/N 100-0342
- [N1322T](https://openairdocs.org/aircraft/N1322T): [Strain Aviation LLC](https://openairdocs.org/faa-owner/STRAIN%20AVIATION%20LLC), [Arbuckle, CA](https://openairdocs.org/faa-place/CA/Arbuckle), built 2015, S/N 100-0135
- [N132TJ](https://openairdocs.org/aircraft/N132TJ): [Vertol Systems Company Inc](https://openairdocs.org/faa-owner/VERTOL%20SYSTEMS%20COMPANY%20INC), [Destin, FL](https://openairdocs.org/faa-place/FL/Destin), built 2011, S/N 173
- [N133KQ](https://openairdocs.org/aircraft/N133KQ): [Valiair Lc Trustee](https://openairdocs.org/faa-owner/VALIAIR%20LC%20TRUSTEE), [Casper, WY](https://openairdocs.org/faa-place/WY/Casper), built 2014, S/N 100-0133
- [N142DV](https://openairdocs.org/aircraft/N142DV): [Salerno Robert J](https://openairdocs.org/faa-owner/SALERNO%20ROBERT%20J), [Cornwall, NY](https://openairdocs.org/faa-place/NY/Cornwall), built 2015, S/N 100-0142
- [N143AU](https://openairdocs.org/aircraft/N143AU): [Skydive Guam Inc](https://openairdocs.org/faa-owner/SKYDIVE%20GUAM%20INC), [Barrigada, GU](https://openairdocs.org/faa-place/GU/Barrigada), built 2005, S/N 125
- [N1455T](https://openairdocs.org/aircraft/N1455T): [Kenmore Air Harbor LLC](https://openairdocs.org/faa-owner/KENMORE%20AIR%20HARBOR%20LLC), [Kenmore, WA](https://openairdocs.org/faa-place/WA/Kenmore), S/N 1647TB26
- [N14RP](https://openairdocs.org/aircraft/N14RP): [As350 LLC](https://openairdocs.org/faa-owner/AS350%20LLC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula), built 2024, S/N 100-0338
- [N150K](https://openairdocs.org/aircraft/N150K): [Reilly John P](https://openairdocs.org/faa-owner/REILLY%20JOHN%20P), [Friendsville, PA](https://openairdocs.org/faa-place/PA/Friendsville), built 2011, S/N 100-0051
- [N151BC](https://openairdocs.org/aircraft/N151BC): [Brc Az Aviation LLC](https://openairdocs.org/faa-owner/BRC%20AZ%20AVIATION%20LLC), [Scottsdale, AZ](https://openairdocs.org/faa-place/AZ/Scottsdale), built 2020, S/N 100-0289
- [N153KD](https://openairdocs.org/aircraft/N153KD): [Mec International Trading LLC](https://openairdocs.org/faa-owner/MEC%20INTERNATIONAL%20TRADING%20LLC), [Mission, TX](https://openairdocs.org/faa-place/TX/Mission), built 1968, S/N 153
- [N154NP](https://openairdocs.org/aircraft/N154NP): [Sisk Douglass F Trustee](https://openairdocs.org/faa-owner/SISK%20DOUGLASS%20F%20TRUSTEE), [Oakhurst, CA](https://openairdocs.org/faa-place/CA/Oakhurst), built 2019, S/N 100-0262
- [N155KQ](https://openairdocs.org/aircraft/N155KQ): [Tvpx Aircraft Solutions Inc Trustee](https://openairdocs.org/faa-owner/TVPX%20AIRCRAFT%20SOLUTIONS%20INC%20TRUSTEE), [North Salt Lake, UT](https://openairdocs.org/faa-place/UT/North%20Salt%20Lake), built 2015, S/N 100-0155
- [N157CL](https://openairdocs.org/aircraft/N157CL): [Snowy Butte Air Ships LLC](https://openairdocs.org/faa-owner/SNOWY%20BUTTE%20AIR%20SHIPS%20LLC), [Eagle Point, OR](https://openairdocs.org/faa-place/OR/Eagle%20Point), built 2015, S/N 100-0157
- [N158KQ](https://openairdocs.org/aircraft/N158KQ): [Guardian Angel Homes LLC](https://openairdocs.org/faa-owner/GUARDIAN%20ANGEL%20HOMES%20LLC), [Hayden, ID](https://openairdocs.org/faa-place/ID/Hayden), built 2015, S/N 100-0158
- [N160KQ](https://openairdocs.org/aircraft/N160KQ): [Mjolhus Knut G](https://openairdocs.org/faa-owner/MJOLHUS%20KNUT%20G), [Amarillo, TX](https://openairdocs.org/faa-place/TX/Amarillo), built 2015, S/N 100-0160
- [N160Z](https://openairdocs.org/aircraft/N160Z): [Usda Forest Service](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 2017, S/N 100-0227
- [N161KQ](https://openairdocs.org/aircraft/N161KQ): [Penridge Aviation LLC](https://openairdocs.org/faa-owner/PENRIDGE%20AVIATION%20LLC), [Portland, OR](https://openairdocs.org/faa-place/OR/Portland), built 2015, S/N 100-0161
- [N167Z](https://openairdocs.org/aircraft/N167Z): [Usda Forest Service Fire And Aviation](https://openairdocs.org/faa-owner/USDA%20FOREST%20SERVICE%20FIRE%20AND%20AVIATION), [Boise, ID](https://openairdocs.org/faa-place/ID/Boise), built 2025, S/N 100-0361
- [N180MR](https://openairdocs.org/aircraft/N180MR): [State Of Maine Dept Of Marine Resources](https://openairdocs.org/faa-owner/STATE%20OF%20MAINE%20DEPT%20OF%20MARINE%20RESOURCES), [Augusta, ME](https://openairdocs.org/faa-place/ME/Augusta), built 2024, S/N 100-0341
- [N182KQ](https://openairdocs.org/aircraft/N182KQ): [Snl Aviation LLC](https://openairdocs.org/faa-owner/SNL%20AVIATION%20LLC), [Seattle, WA](https://openairdocs.org/faa-place/WA/Seattle), built 2016, S/N 100-0182
- [N18BT](https://openairdocs.org/aircraft/N18BT): [T5 Capital Partners LLC](https://openairdocs.org/faa-owner/T5%20CAPITAL%20PARTNERS%20LLC), [Dallas, TX](https://openairdocs.org/faa-place/TX/Dallas), built 2021, S/N 100-0302
- [N1927S](https://openairdocs.org/aircraft/N1927S): [Blue Sky Assets LLC](https://openairdocs.org/faa-owner/BLUE%20SKY%20ASSETS%20LLC), [Garden Valley, ID](https://openairdocs.org/faa-place/ID/Garden%20Valley), built 2015, S/N 100-0136
- [N1928S](https://openairdocs.org/aircraft/N1928S): [1928 LLC](https://openairdocs.org/faa-owner/1928%20LLC), [Salmon, ID](https://openairdocs.org/faa-place/ID/Salmon), built 2023, S/N 100-0331
- [N192KQ](https://openairdocs.org/aircraft/N192KQ): [Short Field Partners LLC](https://openairdocs.org/faa-owner/SHORT%20FIELD%20PARTNERS%20LLC), [Bend, OR](https://openairdocs.org/faa-place/OR/Bend), built 2016, S/N 100-0192
- [N193KQ](https://openairdocs.org/aircraft/N193KQ): [American O-Zones LLC](https://openairdocs.org/faa-owner/AMERICAN%20O-ZONES%20LLC), [Tavernier, FL](https://openairdocs.org/faa-place/FL/Tavernier), built 2016, S/N 100-0193
- [N199KQ](https://openairdocs.org/aircraft/N199KQ): [Bridger Aviation Services LLC](https://openairdocs.org/faa-owner/BRIDGER%20AVIATION%20SERVICES%20LLC), [Belgrade, MT](https://openairdocs.org/faa-place/MT/Belgrade), built 2016, S/N 100-0199
- [N200KQ](https://openairdocs.org/aircraft/N200KQ): [Bridger Aviation Services LLC](https://openairdocs.org/faa-owner/BRIDGER%20AVIATION%20SERVICES%20LLC), [Belgrade, MT](https://openairdocs.org/faa-place/MT/Belgrade), built 2016, S/N 100-0200
- [N203KQ](https://openairdocs.org/aircraft/N203KQ): [Bridger Aviation Services LLC](https://openairdocs.org/faa-owner/BRIDGER%20AVIATION%20SERVICES%20LLC), [Belgrade, MT](https://openairdocs.org/faa-place/MT/Belgrade), built 2017, S/N 100-0203
- [N206KQ](https://openairdocs.org/aircraft/N206KQ): [Dc3 Properties LLC](https://openairdocs.org/faa-owner/DC3%20PROPERTIES%20LLC), [Sacramento, CA](https://openairdocs.org/faa-place/CA/Sacramento), built 2017, S/N 100-0206
- [N207KQ](https://openairdocs.org/aircraft/N207KQ): [Arizona Game And Fish Department](https://openairdocs.org/faa-owner/ARIZONA%20GAME%20AND%20FISH%20DEPARTMENT), [Phoenix, AZ](https://openairdocs.org/faa-place/AZ/Phoenix), built 2017, S/N 100-0207
- [N210VA](https://openairdocs.org/aircraft/N210VA): [Commonwealth Of Virginia](https://openairdocs.org/faa-owner/COMMONWEALTH%20OF%20VIRGINIA), [North Chesterfield, VA](https://openairdocs.org/faa-place/VA/North%20Chesterfield), built 2025, S/N 100-0353
- [N211CR](https://openairdocs.org/aircraft/N211CR): S/N 100-0027
- [N211M](https://openairdocs.org/aircraft/N211M): [Avp Aviation LLC](https://openairdocs.org/faa-owner/AVP%20AVIATION%20LLC), [Indianapolis, IN](https://openairdocs.org/faa-place/IN/Indianapolis), built 2017, S/N 100-0211
- [N216KQ](https://openairdocs.org/aircraft/N216KQ): [State Of Washington](https://openairdocs.org/faa-owner/STATE%20OF%20WASHINGTON), [Olympia, WA](https://openairdocs.org/faa-place/WA/Olympia), built 2017, S/N 100-0216
- [N220QK](https://openairdocs.org/aircraft/N220QK): [Bridger Aviation Services LLC](https://openairdocs.org/faa-owner/BRIDGER%20AVIATION%20SERVICES%20LLC), [Belgrade, MT](https://openairdocs.org/faa-place/MT/Belgrade), built 2017, S/N 100-0220

All 230: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34-series/aircraft.md

## NTSB investigations (20)

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

- [NTSB WPR26LA274](https://openairdocs.org/ntsb/WPR26LA274), Jul 24, 2026: Dehavilland DHC-3 (N709KA), Eastsound, WA, destroyed, investigation ongoing
- [NTSB ERA26LA261](https://openairdocs.org/ntsb/ERA26LA261), Jul 5, 2026: Kodiak Kodiak 100 (N726SH), New York, NY, substantial damage. Probable cause: An inadvertent collision with a large wave during touchdown on a river, which resulted in a subsequent bounce and hard landing.
- [NTSB CEN26FA224](https://openairdocs.org/ntsb/CEN26FA224), Jun 14, 2026: Pacific Aerospace 750XL (N221BN), Butler, MO, destroyed, 12 fatal, investigation ongoing
- [NTSB ERA24LA093](https://openairdocs.org/ntsb/ERA24LA093), Jan 19, 2024: Quest Kodiak 100 (N5799), Lakeport, FL, substantial damage. Probable cause: The improper recovery from a bounced landing, which resulted in a hard landing and subsequent noseover.
- [NTSB WPR23LA192](https://openairdocs.org/ntsb/WPR23LA192), May 20, 2023: Viking Air DHC-6-400 (N153QS), Half Moon Bay, CA, substantial damage, 2 fatal. Probable cause: The failure of the ferry fuel tank system to transfer fuel during a trans-Pacific flight for reasons that could not be determined, which resulted in fuel starvation and a subsequent ditching into the…
- [NTSB CEN22LA359](https://openairdocs.org/ntsb/CEN22LA359), Aug 3, 2022: Air Tractor AT-502B (N41850), Melville, LA, substantial damage. Probable cause: The pilot improperly monitored the operating environment which resulted in a collision with a tree located in the middle of a field.
- [NTSB WPR21LA367](https://openairdocs.org/ntsb/WPR21LA367), Jul 6, 2021: Quest Kodiak 100 (N456SB), Roche Harbor, WA, substantial damage. Probable cause: The pilot’s failure to maintain bank control during the landing roll which resulted in the right wing impacting the water’s surface.
- [NTSB WPR20CA243](https://openairdocs.org/ntsb/WPR20CA243), Jul 28, 2020: Quest Kodiac 100 (N856TC), Hunts Point, WA, substantial damage. Probable cause: The pilot’s failure to retract the landing gear during a water landing, which resulted in a nose over. Contributing to the accident was the pilot’s failure to properly use a prelanding checklist.
- [NTSB ERA18FA092](https://openairdocs.org/ntsb/ERA18FA092), Feb 28, 2018: Quest Kodiac 100 (N969TB), Georgetown, FL, substantial damage, 2 fatal. Probable cause: The pilots' spatial disorientation while maneuvering for landing in night conditions over unlighted terrain, which resulted in an uncontrolled descent and impact with water.
- [NTSB ERA18WA025](https://openairdocs.org/ntsb/ERA18WA025), Nov 10, 2017: Quest Kodiac 100 (N154KQ), Goias, Brazil, destroyed
- [NTSB ERA17LA302](https://openairdocs.org/ntsb/ERA17LA302), Aug 28, 2017: Pacific Aerospace 750XL (N750UP), Harvest, AL, substantial damage. Probable cause: The pilot's improper decision to not stop and refuel the airplane as planned and his improper in-flight fuel planning, which resulted in a total loss of engine power due to fuel exhaustion.
- [NTSB WPR17FA035](https://openairdocs.org/ntsb/WPR17FA035), Dec 12, 2016: Quest Kodiak 100 (N772RT), Moab, UT, destroyed, 1 fatal. Probable cause: The pilot's loss of control shortly after takeoff due to spatial disorientation.
- [NTSB CEN16LA019](https://openairdocs.org/ntsb/CEN16LA019), Oct 9, 2015: Quest Kodiak 100 (N153RW), Sheridan, WY, substantial damage. Probable cause: The loss of airplane control during takeoff for reasons that could not be determined based on the available information.
- [NTSB ERA15WA260](https://openairdocs.org/ntsb/ERA15WA260), Jul 6, 2015: Quest Kodiac 100 (N642RM), Pskov, Russia, substantial damage
- [NTSB ERA13LA360](https://openairdocs.org/ntsb/ERA13LA360), Aug 11, 2013: Quest Kodiak 100 (N10PZ), Westport, MA, substantial damage. Probable cause: A failure to achieve a positive climb rate after takeoff for reasons that could not be determined because postaccident examination of the airframe and engine did not reveal any mechanical…
- [NTSB ANC12GA114](https://openairdocs.org/ntsb/ANC12GA114), Sep 30, 2012: Quest Kodiak 100 (N745), Anchorage, AK, substantial damage. Probable cause: The pilot's failure to maintain directional control while landing, which resulted in a collision with the water. Contributing to the accident were the pilot's lack of experience conducting waterborne…
- [NTSB SEA01TA083](https://openairdocs.org/ntsb/SEA01TA083), May 1, 2001: de Havilland DHC-6-300 (N49SJ), Star, ID, substantial damage. Probable cause: Fatigue failure of the nose wheel steering cable during the landing roll. Rough/uneven terrain was a factor.
- [NTSB MIA93LA169](https://openairdocs.org/ntsb/MIA93LA169), Aug 4, 1993: Ayres S2R-T15 (N1950J), Louise, MS, substantial damage. Probable cause: THE PILOT IN COMMANDS DECISION TO TAKEOFF FROM A ROAD WITH A LEFT QUARTERING TAILWIND WHICH RESULTED IN HIS LOOSING DIRECTIONAL CONTROL AND THE AIRCRAFT COLLIDING WITH A UTILITY POLE.
- [NTSB ANC80DA106](https://openairdocs.org/ntsb/ANC80DA106), Sep 29, 1980: Dehavnd Can DHC-2 (N1455T), Tatitna, AK, substantial damage
- [NTSB DEN80FTE74](https://openairdocs.org/ntsb/DEN80FTE74), Aug 27, 1980: Air Tractor AT-301 (N1KL), Montevista, CO, substantial damage

## FAA accident and incident reports (30)

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 20260723012799A](https://openairdocs.org/incident/20260723012799A), Jul 23, 2026: Dehavilland DHC-3 (N709KA), Eastsound, WA, Destroyed. This was a scheduled flight from kenmore's lake union seaplane base in seattle Washington to roche harbor in the san juan islands (kenmore air flight 140). At…
- [Accident 20260705011459A](https://openairdocs.org/incident/20260705011459A), Jul 5, 2026: Kodiak Aircraft Co Inc KODIAK 100 (N726SH), New York, NY, Substantial damage. [privacy data omitted], Kodiak 100, experienced a hard landing in the east river causing damage to the wing strut. Sea port 6 and 7 will be closed for the day,…
- [Incident 20260615008129I](https://openairdocs.org/incident/20260615008129I), Jun 15, 2026: Dehavilland DHC-3 (N379PM), Key West, FL, Minor damage. DHC-3 seaplane with amphibious floats landed at keyw with the landing gear not extended.
- [Accident 20260614012989A](https://openairdocs.org/incident/20260614012989A), Jun 14, 2026: Pacific Aerospace Ltd 750XL (N221BN), Bulter, MO, Destroyed, 12 fatal. On June 14, 2026, at about 1125 central daylight time (CDT), a Pacific aerospace 750XL,[privacy data omitted], operating a skydiving flight under 14 CFR part…
- [Incident 20250910011909I](https://openairdocs.org/incident/20250910011909I), Sep 10, 2025: Beech 65-A90-4 (N7199D), Buckhannon, WV, Minor damage. Pilot boarded the aircraft on Wednesday, 9/10/2025 to perform company flight for agricultural purposes. Upon starting engines and performing pre-taxi checks,…
- [Accident 20240119000919A](https://openairdocs.org/incident/20240119000919A), Jan 19, 2024: Quest Aircraft Co Inc KODIAK 100 (N5799), Sebring, FL, Destroyed. The pilot appeared to have landed "fast and hard" on his private grass runway and the aircraft's front wheel detached/broke from the landing gear strut causing…
- [Incident 20230813008929I](https://openairdocs.org/incident/20230813008929I), Aug 13, 2023: Quest Aircraft Company LLC KODIAK 100 (N242KQ), Indian Creek, ID, Minor damage. The pilot departed myl to S81 with an aft CG. After engine shutdown at S81, the aircraft settled to its tail causing damage to the empennage bulkhead.
- [Incident 20230611006299I](https://openairdocs.org/incident/20230611006299I), Jun 11, 2023: Kodiak Aircraft Co Inc KODIAK 100 (N482G), Cordova, AK, Minor damage. On Sunday June 11th, 2023 at approximately 10:25PM local , a pilot attempted a repositioning flight from softuk bar (approx location 60.12' 15" n 144.38' 26"…
- [Accident 20230520011569A](https://openairdocs.org/incident/20230520011569A), May 20, 2023: Viking Air Limited DHC-6-400 (N153QS), In The Ocean La, CA, Destroyed, 2 fatal. Pilots reported to ATC engine failure due to unable to transfer fuel to the main tanks. Engines failed to operate and aircraft landed in the Ocean. Result was…
- [Accident 20220803007949A](https://openairdocs.org/incident/20220803007949A), Aug 3, 2022: Air Tractor Inc AT-502B (N41850), Melville, LA, Destroyed. Making fourth pass applying insecticide to soybead field. Heard loud bang, when aircraft came to a stop. Exited the aircraft as it was on fire. I then realized…
- [Accident 20210706022989A](https://openairdocs.org/incident/20210706022989A), Jul 6, 2021: Quest Aircraft Company LLC KODIAK 100 (N456SB), Roche Harbor, WA, Substantial damage. On March 1, 2022, the seattle flight standards district office (seattle FSDO) delayed report: WPR21LA357. On July 6, 2021, [privacy data omitted]operated an…
- [Accident 20200728008569A](https://openairdocs.org/incident/20200728008569A), Jul 28, 2020: Quest Aircraft Company LLC KODIAK 100 (N856TC), Hunts Point, WA, Substantial damage. Landed aircraft with gear down on water causing the aircraft to flip over
- [Accident 20180227003179A](https://openairdocs.org/incident/20180227003179A), Feb 27, 2018: Quest QA-KODIAK (N969TB), Georgetown, FL, Substantial damage, 2 fatal. The aircrafts route of flight, as identified by a radar target according to preliminary air traffic control data provided by the federal aviation…
- [Accident 20170828010509A](https://openairdocs.org/incident/20170828010509A), Aug 28, 2017: Pacific Aerospace Ltd 750XL (N750UP), Harvest, AL, Substantial damage. 08/28/2017, Aircraft, N750UP was a single pilot aircraft that took off from penridge, pa (ckz) airport at 0730, enroute Huntsville, AL (hsv). At aproximately…
- [Incident 20170711012309I](https://openairdocs.org/incident/20170711012309I), Jul 11, 2017: Pacific Aerospace Corp Ltd 750XL (N820AB), Deland, FL, No damage. Skydiver rendered deceased upon landing due to failure to deploy parachute. Upon inspection, no mechanical or operational abnormalities were noted. Name:…
- [Incident 20170210002579I](https://openairdocs.org/incident/20170210002579I), Feb 10, 2017: Pacific Aerospace Ltd 750XL (N221BN), Deland, FL, No damage. Upon landing parachute jumper landed excessively hard and substained serious injury. Name: [privacy data omitted] Experience: 200 jumps Club affiliation:…
- [Accident 20161212021289A](https://openairdocs.org/incident/20161212021289A), Dec 12, 2016: Quest QA-KODIAK (N772RT), Moab, UT, Destroyed, 1 fatal. At 0522 am (MST) the pilot pulled aircraft N772RT out of red tail aviation?s hangar at Canyonlands field airport (kcny). At 0531 N772RT taxied to runway 21. At…
- [Incident 20160806014899I](https://openairdocs.org/incident/20160806014899I), Aug 6, 2016: Dehavilland DHC-6-200 (N153KD), Acampo, CA, No damage. At Lodi Airport, CA. Parachute center, two skydivers using a u.p.t. tandem parachute rig was fatally injured from impact with the ground. Tandem instructor was…
- [Incident 20160406003839I](https://openairdocs.org/incident/20160406003839I), Apr 6, 2016: Dehavilland DHC-3 (N379PM), Key West, FL, Minor damage. DHC-3 seaplane right float came off aircraft when turning off runway 09 onto taxiway c.
- [Accident 20151009017379A](https://openairdocs.org/incident/20151009017379A), Oct 9, 2015: Quest KODIAK 100 (N153RW), Sheridan, WY, Substantial damage. Takeoff on runway 24, at kshr (Sheridan, WY) - pilot reported that controls were jammed. Acft stalled and crashed. Aircraft received substantial damage after…
- [Incident 20150709011509I](https://openairdocs.org/incident/20150709011509I), Jul 9, 2015: Pacific Aerospace Corp Ltd 750XL (N820AB), Deland, FL, Minor damage. Upon initial climb out from ded airport at about 400 to 500 feet and about 90 knots pilot heard a loud bang coming from the engine and the propeller…
- [Incident 20130816016519I](https://openairdocs.org/incident/20130816016519I), Aug 16, 2013: Pacific Aerospace Ltd 750XL (N750UP), Tecumseh, MI, No damage. Aircraft departed 3TE, Tecumseh, MI approx. 1700 local. With a load of 14 skydivers, approximately 400 lbs. Of fuel. This was the 10th flight of the day. At…
- [Accident 20130811015289A](https://openairdocs.org/incident/20130811015289A), Aug 11, 2013: Quest Aircraft Company LLC KODIAK 100 (N10PZ), Westport, MA, Substantial damage. On 8/11/2013 at 0645 in clear, calm conditions. The pilot initiated a take off roll on his private grass airstrip. The aircraft a 2010 kodiak-100 Quest…
- [Incident 20130508024379I](https://openairdocs.org/incident/20130508024379I), May 8, 2013: Pacific Aerospace Corp Ltd 750XL (N820AB), Deland, FL, No damage, 1 fatal. Three skydivers performed a successful three-way skydive event from aircraft N820AB operated by skydive Deland inc. at approximately 4000 feet above ground,…
- [Incident 20121113025259I](https://openairdocs.org/incident/20121113025259I), Nov 13, 2012: Dehavilland BEAVER DHC-2 MK.3 (N1455T), Crescent Bay, WA, Minor damage. Aircraft was on a charter to drop two passengers off at the beach at Crescent Bay, WA located about 10 miles west of port angeles, WA. Upon arrival overhead at…
- [Accident 20120930021489A](https://openairdocs.org/incident/20120930021489A), Sep 30, 2012: Quest Aircraft Company LLC KODIAK 100 (N745), Anchorage, AK, Substantial damage. On September 30, 2012, about 1545 Alaska daylight savings time, an amphibious- equipped kodiak 100 airplane, N745, sustained substantial damage while landing…
- [Accident 20080327837069A](https://openairdocs.org/incident/20080327837069A), Mar 27, 2008: Pac 750XL (N820AB), Deland, FL, No damage, 1 fatal. (-23)On March 27, 2008, at the Deland muncipal airport, Deland, Florida, skydiver [privacy data omitted] from montreal, Canada, was severely injured after…
- [Accident 20010501008039A](https://openairdocs.org/incident/20010501008039A), May 1, 2001: Dhav DHC6300 (N49SJ), Star, IA, No damage. (-23)May 1, 2001, approximately 1030 MDT a Dehavilland DHC-6-300, N49SJ, registered to and operated by the department of interior as a public use aircraft was…
- [Accident 19930804027639A](https://openairdocs.org/incident/19930804027639A), Aug 4, 1993: Ayres S2RT15RESTD (N1950J), Louise, MS, Substantial damage. Lost directional control on downwind takeoff from a road. Left wing contacted a utility pole.
- [Accident 19800929048529A](https://openairdocs.org/incident/19800929048529A), Sep 29, 1980: Dhav DHC2MK3 (N1455T), Tatitna, AK, No damage

## Service difficulty reports (465, newest 50)

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

- [SDR 2025F00092](https://openairdocs.org/sdr/2025F00092), Apr 13, 2025: RIVET. LOOSE. THERE ARE FOUR RIVETS AROUND THE MLG FRAMES (INSIDE THE FUSELAGE, ALONG THE SEAT TRACKS) THAT ARE SMOKING (TWO ON THE RIGHT SIDE OF THE FUSELAGE, TWO ON THE LEF
- [SDR 2024FA0000334](https://openairdocs.org/sdr/2024FA0000334), Jan 11, 2024: LOCK FASTENER. LOOSE. AFT WING FITTING LOCK FASTENERS FOUND LOOSE ON LEFT AND RIGHT WING. ADDRESSED IN PIPPER SB820A BUT NOT APPLICABLE TO THIS MODEL AIRCRAFT AND SHOULD BE.
- [SDR 2022F00200](https://openairdocs.org/sdr/2022F00200), Apr 7, 2022: LAMP. BROKEN. THE PILOT REPORTED A VISIBLE PUFF OF SMOKE FROM THE OVERHEAD PANEL AREA TO MAINTENANCE. MAINTENANCE FOUND TWO WHEAT BULBS BROKEN AND POSSIBLY SHORTED TOGETHER I
- [SDR CA190807008](https://openairdocs.org/sdr/CA190807008), Aug 6, 2019: ROD END. CORRODED. (CAN) MSN 974 LEFT ENGINE FAILED TO RETURN TO LOWER POWER SETTING DURING TAXI THIS MORNING. WHEN L/H POWER LEVER RETURN TO IDLE POSITION THE NG STILL 68%, R/H I
- [SDR AXSA2019061400019](https://openairdocs.org/sdr/AXSA2019061400019), Jun 14, 2019: BLADES. CRACKED. DURING A HOT SECTION 3 CT BLADES WERE FOUND TO BE CRACKED AT THE FIR TREE.
- [SDR CA190709014](https://openairdocs.org/sdr/CA190709014), Jun 11, 2019: FUEL CONTROL. MALFUNCTIONED. (CAN) PILOT APPLIED REVERSE POWER TO BACK AWAY FROM THE DOCK. WHEN THE POWER LEVER WAS MOVED BACK TO THE IDLE POSITION, THE ENGINE ACCELERATED UNCONTROLLED. PIL
- [SDR CA190412007](https://openairdocs.org/sdr/CA190412007), Apr 10, 2019: ENGINE. DAMAGED. (CAN) DURING A NON-SCHEDULED HOT SECTION INSPECTION, THE BOLTS (PART NUMBER MS9574-06) SECURING THE CONTAINMENT RING TO POWER TURBINE VANE RING AT FLANGE D WERE
- [SDR CA190412006](https://openairdocs.org/sdr/CA190412006), Apr 10, 2019: DUCT. CRACKED. (CAN) DURING A REGULARLY SCHEDULED BORESCOPE INSPECTION, DAMAGE WAS NOTED ON THE LARGE EXIT DUCT (LED). UPON FURTHER INSPECTION, A CRACK WAS FOUND ON THE INNER 
- [SDR CA190227016](https://openairdocs.org/sdr/CA190227016), Feb 24, 2019: FUEL CONTROL. FAILED. (CAN) TO INITIATE DESCENT FOR LANDING, THE PILOT BROUGHT BACK THE POWER. AS THE POWER LEVER WAS BROUGHT BACK, POWER (INDICATED AND ACTUAL) STOPPED REDUCING AROU
- [SDR CA190307019](https://openairdocs.org/sdr/CA190307019), Feb 16, 2019: FUEL CONTROL. MALFUNCTIONED. (CAN) PILOT REPORTED THAT THE AIRCRAFT WAS NOT MAKING MAX POWER. ENGINE GROUND RUNS WERE CARRIED OUT AND WAS UNABLE TO OBTAIN MAX NG. ALSO, THE NG WAS NOT STABL
- [SDR CA190424021](https://openairdocs.org/sdr/CA190424021), Nov 18, 2018: HOSE. LEAKING. (CAN) HOSE SPLIT AND LEAKING.
- [SDR AXSA2018082700001](https://openairdocs.org/sdr/AXSA2018082700001), Aug 25, 2018: ENGINE. UNKNOWN. DURING CLIMB OUT, LEAVING 3500 FEET, A MUFFLED BANG WAS HEARD, FOLLOWED BY A YAW. THE ENGINE FAILURE DRILL WAS CARRIED OUT FOLLOWED BY THE CHECKLIST AFTER AN EM
- [SDR CA180822003](https://openairdocs.org/sdr/CA180822003), Aug 13, 2018: LINE. LEAKING. (CAN) THE PILOT REPORTED WHILE RETRACTING THE LANDING GEAR AFTER TAKEOFF, THE LANDING GEAR CIRCUIT BREAKER TRIPPED WITH THE LANDING GEAR AT MID RETRACTION. THE 
- [SDR CA180616004](https://openairdocs.org/sdr/CA180616004), May 28, 2018: PRESSURE SWITCH. BROKEN. (CAN) FALSE INDICATION OF AMOUNT OF FUEL ATA 28-00. (TC# 20180616004)
- [SDR CA180616005](https://openairdocs.org/sdr/CA180616005), May 28, 2018: PROBE. FALSE INDICATION. (CAN) FALSE INDICATION OF AMOUNT OF FUEL ATA 28-00. (TC# 20180616005)
- [SDR FAA2018052500164](https://openairdocs.org/sdr/FAA2018052500164), May 25, 2018: PRESSURE SWITCH. INTERMITTENT. AFTER TAKE OFF, AT 300 FT, THE NR 2 PROPELLER AUTOFEATHERED, THE AUTOFEATHER WAS SELECTED OFF AND THE PROPELLER UNFEATHERED AND RETURNED TO NORMAL OPS. TORQUE W
- [SDR CA180616003](https://openairdocs.org/sdr/CA180616003), May 12, 2018: PRESSURE SWITCH. FLUCTUATES. (CAN) HYDRAULIC PRESSURE SWITCH PRE MOD 6/2313 DROPS TO 1220 PSI. OUTSIDE THE PERMISSIBLE LIMIT, SWITCH OPENS AT INCONSISTENT PRESSURES IN 1480, 1520,1500 PSI`S
- [SDR CA180510013](https://openairdocs.org/sdr/CA180510013), May 10, 2018: DUCT. DAMAGED. (CAN) DURING ENGINE REPAIR, DAMAGE WAS NOTED ON THE LARGE EXIT DUCT (LED). THE LED HAD 818.5 HOURS AND 1806 CYCLES SINCE REPAIR. THE FOLLOWING WAS REPORTED BY T
- [SDR CA180404016](https://openairdocs.org/sdr/CA180404016), Apr 2, 2018: CONTROL CABLE. CHAFED. (CAN) DURING THE EMMA 2 INSPECTION IT WAS DISCOVERED THAT THE LEFT HAND AILERON CABLE WAS CHAFING ON THE STEERING CABLE AT THE BASE OF THE YOKE. THE CHAFING OCC
- [SDR CA180222018](https://openairdocs.org/sdr/CA180222018), Jan 24, 2018: PUMP. FAILED. (CAN) FORWARD BOOT PUMP 1 FAILURE ON TAXI IN AT GLA. (TC NR 20180222018).
- [SDR 4P1A2017042400001](https://openairdocs.org/sdr/4P1A2017042400001), Apr 24, 2017: IGNITER. BROKEN. WHEN PERFORMING A PROGRESSIVE ROUTINE 300 HOUR INSPECTION ON THE ENGINE, FOUND PART OF THE RIGHT IGNITER MISSING. PERFORMED A BORESCOPE INSPECTION AND FOUND MEL
- [SDR 4P1A2017021500001](https://openairdocs.org/sdr/4P1A2017021500001), Feb 15, 2017: BATTERY CABLE. CHAFED. PILOT REPORTED THAT THE ALTERNATOR FAIL LIGHT CAME ON BUT THE ALTERNATOR CONTINUED TO WORK. WHEN THE AIRCRAFT RETURNED TO HOME BASE, REPLACED THE ALTERNATOR CON
- [SDR CA160301016](https://openairdocs.org/sdr/CA160301016), Feb 23, 2016: IGNITION LEAD. WORN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE LEFT HAND IGNITION LEAD, P/N CH53399-04, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THE LEAD HAD 509
- [SDR CA160225005](https://openairdocs.org/sdr/CA160225005), Feb 21, 2016: IGNITION LEAD. FAILED. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE LEFT HAND IGNITION LEAD, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THIS OPERATOR HAS HAD NUMEROUS P
- [SDR CA160125010](https://openairdocs.org/sdr/CA160125010), Jan 15, 2016: DOOR. MISMANUFACTURED. (CAN) DURING ROUTINE MAINTENCE, FOUND 2 PROBLEMS WITH THE ICA`S. ON AN EMMA, EQUALIZED MAINTENANCE MAXIMUM AVAILABILITY, INSPECTION CARD 15, SECTION 3B, THE FLI
- [SDR CA160111012](https://openairdocs.org/sdr/CA160111012), Jan 11, 2016: SEAL. DEFECTIVE. (CAN) FUEL MOTIVE LINE STRAINER, CHECK VALVE FOUND TO HAVE A SWOLLEN RUBBER SEAL WHICH PREVENTED THE FLAPPER FROM SEALING. SPRING UNABLE TO RETURN VALVE TO CLOS
- [SDR AXSA20150107001](https://openairdocs.org/sdr/AXSA20150107001), Jan 6, 2016: LINK. DETACHED. MORNING FLIGHT 1050, DEPARTED AT 0735 LOCAL TIME, BUT PERFORMED AN AIR RETURN TO ITS STARTING POINT AT 0752 DUE TO A GEAR NOT RETRACTED INDICATION. MX TECHNICIA
- [SDR CA151205001](https://openairdocs.org/sdr/CA151205001), Dec 3, 2015: AXLE. CRACKED. (CAN) DURING ROUTINE EMMA INSPECTION AXLE P/N C6UM1134-27 WAS FOUND TO HAVE A SUSPECTED CRACK AROUND BARREL APPROXIMATELY 3" LONG. PART WAS REPLACED AND AIRCRAF
- [SDR CA151216008](https://openairdocs.org/sdr/CA151216008), Dec 3, 2015: ENGINE. MALFUNCTIONED. (CAN) JUST AFTER DROPPING SKYDIVERS, THE PILOT FELT A VIBRATION AND SAW THAT THE ENGINE TORQUE READING WAS IN THE RED ARC. HE ELECTED TO PERFORM AN ENGINE SHUT 
- [SDR AXSA2015112590038](https://openairdocs.org/sdr/AXSA2015112590038), Nov 24, 2015: TURBINE WHEEL. DISINTEGRATED. THE PILOT REPORTED THAT IN CRUISE, APPROX 20 MINUTES AFTER TAKEOFF, THE RT ENG SURGED MORE THAN ONCE & HE ELECTED TO SHUT IT DOWN. HE THEN DECLARED AN EMER & DI
- [SDR CA151110010](https://openairdocs.org/sdr/CA151110010), Nov 8, 2015: IGNITION LEAD. DAMAGED. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE LEFT HAND IGNITION LEAD, P/N CH53399-04, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THE LEAD HAD 389
- [SDR CA151102015](https://openairdocs.org/sdr/CA151102015), Nov 2, 2015: AILERON. MISMANUFACTURED. (CAN) PRODUCTION HAS REPORTED THAT THE HUB, FORK, AILERON OUTER WING, HAS BEEN MFG INCORRECTLY. IT HAS BEEN FOUND THAT HUBS WERE MISSING THE .03" X 45 CHAMFER A
- [SDR CA151022007](https://openairdocs.org/sdr/CA151022007), Oct 21, 2015: IGNITION LEAD. WORN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE RIGHT HAND IGNITION LEAD, P/N CH53399-04, WAS FOUND TO BE WORN AT THE IGNITER ATTACHMENT END. THE TIP WAS BEN
- [SDR CA151029025](https://openairdocs.org/sdr/CA151029025), Oct 14, 2015: ROD END. SEIZED. (CAN) DURING GROUND RUN-UP FCU CONTROL ROD, PN C6CE1398-3 HAD STIFF/SEIZED END BEARINGS, PN DSC4-3A ON NR 2 ENGINE. FCU ROD AND END BEARINGS REPLACED.
- [SDR CA151014009](https://openairdocs.org/sdr/CA151014009), Oct 9, 2015: G SWITCH. FAILED. (CAN) DURING THE ELT ANNUAL RECERTIFICATION, BENCH TESTING FOUND THAT THE G-SWITCH FAILED. THERE WERE ALSO TWO SCREWS WITH O - RINGS MISSING AND THE H-SHIELD WA
- [SDR CA150924009](https://openairdocs.org/sdr/CA150924009), Sep 21, 2015: ALTIMETER. MALFUNCTIONED. (CAN) IMMEDIATELY UPON BECOMING AIRBORNE, FLIGHT CREW NOTICED THE CAPTAIN`S ALTIMETER HAD FLAGGED AND CONTINUED TO INDICATE FIELD ELEVATION THROUGHOUT THE CLIMB
- [SDR CA150923007](https://openairdocs.org/sdr/CA150923007), Sep 18, 2015: LOCK. BENT. (CAN) AIRCRAFT WAS INSPECTED FOLLOWING RECEIPT OF MFG SAFETY COMMUNIQUE QSC-008. CO-PILOT SEAT FOUND WITH DAMAGE EXACTLY AS DESCRIBED IN THE COMMUNIQUE. NO SEAT
- [SDR CA150831008](https://openairdocs.org/sdr/CA150831008), Aug 26, 2015: IGNITION LEAD. BROKEN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, THE RIGHT HAND IGNITION LEAD WAS FOUND TO BE BROKEN AT THE IGNITER ATTACHMENT END. THE LEAD HAD A TSN OF 833.9 HO
- [SDR CA150828003](https://openairdocs.org/sdr/CA150828003), Aug 16, 2015: ENGINE. POWER LOSS. (CAN) ON TAKEOFF ALL ENGINE PARAMETERS ARE NORMAL AND WITHIN 5 SECONDS PROP RPM ONLY STARTS TO ROLLBACK TOWARDS FEATHER NO OTHER PARAMETERS FOLLOW. USE OF STAND
- [SDR CA150818009](https://openairdocs.org/sdr/CA150818009), Aug 12, 2015: IGNITION LEAD. WORN. (CAN) DURING A REGULARLY SCHEDULED INSPECTION, BOTH LEFT AND RIGHT HAND IGNITION LEADS WERE FOUND TO BE WORN AT THE IGNITER ATTACHMENT ENDS.
- [SDR CA150831010](https://openairdocs.org/sdr/CA150831010), Aug 10, 2015: DUCT. CRACKED. (CAN) DURING A SCHEDULED HOT SECTION INSPECTION, THE LARGE EXIT DUCT (LED) WAS FOUND CRACKED IN MULTIPLE LOCATIONS ALONG THE OUTER SEAM WELD. THE TSO OF THE LED
- [SDR CA150721005](https://openairdocs.org/sdr/CA150721005), Jul 10, 2015: DOOR. OPEN. (CAN) AN AIR OPERATOR RECENTLY EXPERIENCED AN EVENT WHERE THE MAIN CABIN PASSENGER DOOR OPENED IN FLIGHT. THIS HAPPENED ON APPROACH IN TURBULENT WEATHER CONDITI
- [SDR CA150727002](https://openairdocs.org/sdr/CA150727002), Jul 10, 2015: ENGINE. SHUTDOWN. (CAN) DURING FLIGHT, THE ACFT EXPERIENCED POWER LOSS RESULTING IN THE UNCOMMANDED SHUTDOWN OF THE ENGINE. THE PILOT MADE AN EMERGENCY LANDING. ENGINE WILL BE RE
- [SDR 2015FA0000397](https://openairdocs.org/sdr/2015FA0000397), Jul 9, 2015: BLADE. FAILED. ENGINE EXPERIENCED TOTAL POWER LOSS JUST AFTER TAKEOFF DURING INITIAL CLIMB. PILOT EXECUTED A POWER OFF LANDING ON AN AIRPORT TAXIWAY WITH NO DAMAGE TO THE ACFT
- [SDR CA150728004](https://openairdocs.org/sdr/CA150728004), Jul 9, 2015: ENGINE. POWER LOSS. (CAN) DURING TAKEOFF, THE PILOT REPORTED LOSING POWER FORCING A LANDING IN A CORN FIELD. ENGINE KEPT RUNNING FOR SOME 40 SECONDS AFTER THE FORCED LANDING. NTSB 
- [SDR 2016FA0000277](https://openairdocs.org/sdr/2016FA0000277), Jul 9, 2015: COMPRESSOR. DAMAGED. ENGINE EXPERIENCED TOTAL POWER LOSS JUST AFTER TAKEOFF, DURING INITIAL CLIMB. PILOT EXECUTED A POWER OFF LANDING ON AN AIRPORT TAXIWAY WITH NO DAMAGE TO THE AIR
- [SDR AXSA20150722001](https://openairdocs.org/sdr/AXSA20150722001), Jun 30, 2015: TRANSPONDER. SMOKE. PILOT REPORTED SMOKE COMING FROM BEHIND TRANSPONDER.
- [SDR CA150713005](https://openairdocs.org/sdr/CA150713005), Jun 30, 2015: ENGINE. MALFUNCTIONED. (CAN) THE PILOT REPORTED THAT DURING DESCEND AT APPROX 1000 FT ITT STARTED TO CLIMB, ALL OTHER PARAMETERS REMAINED NORMAL. AFTER LANDING THE PILOT DECIDED TO SH
- [SDR CA150629022](https://openairdocs.org/sdr/CA150629022), Jun 28, 2015: MOTOR. FAILED. (CAN) WHEN NR 2 BOOST PUMP WAS SELECTED, PUMP SOUNDED VERY ROUGH & LABORED. OVERHAULED MOTOR WAS INSTALLED & DEFECT WAS CLEARED.
- [SDR CA150622004](https://openairdocs.org/sdr/CA150622004), Jun 19, 2015: WIRE. CORRODED. (CAN) HF ANTENNA WIRE FAILED DUE TO CORROSION, RESULTING FROM WATER INGRESS INTO THE FEED THROUGH IPC REFERENCE 23-10-00 FIG 1.

All 465: https://openairdocs.org/engine/pratt-whitney-canada-pt6a-34-series/reports.md

## STCs that may be installed (OpenAirDocs) (18)

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 SE02170AT](https://openairdocs.org/stc/SE02170AT): Installation of Pc Safety Valve Kit. Bell Helicopter Textron 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 SE00691NY](https://openairdocs.org/stc/SE00691NY): Conversion of engine models PT6A-27 and -28 to Model PT6A-34 as described in Temporary Overhaul Data Revision. Standard Aero Limited
- [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 SE241NE](https://openairdocs.org/stc/SE241NE): Conversion of engine Models PT6A-27 and -28 to 01/157/3. Airwork Corporation
- [STC SE260NE](https://openairdocs.org/stc/SE260NE): Conversion of engine PT6A-34 to PT6A-36. Comerford-Audet 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
- [STC SE4570SW](https://openairdocs.org/stc/SE4570SW): Revise accessory drive spline, P/N 3008181. Aviall of Texas, Inc

## PMA parts (OpenAirDocs) (over 1,000, first 50)

Current parts manufacturer approvals (PMA): parts the FAA has approved companies to make as replacements or modifications. Each record lists its models as free text; OpenAirDocs matched them to this engine model on its data sheet, so check the FAA record before relying on it. Newest first.

- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3005293CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID122934446820260909150736.0001): Insert, Fuel Control Drive Shaft. Core Parts LLC · PMA PQ05326NM · Replaces 3005293 · Aug 17, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [3006718LA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID175946795220260805155436.0001): STRIP, INSULATING. LanAir Research and Development Inc · PMA PQ1031NE · Replaces 3006718 · Jul 24, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3019136CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID186981497620260728184309.0001): Ring, Plastic. Core Parts LLC · PMA PQ05326NM · Replaces 3019136 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3012928CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID185594574320260728184309.0001): Spacer, Stepped. Core Parts LLC · PMA PQ05326NM · Replaces 3012928 · Jul 10, 2026
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026
- [3045951-02AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID135029382220260722151307.0001): Detector, Chip, Magnetic. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3045951-02 · May 27, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [ST3277-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID199989902020260311145336.0001): Gasket, Starter Generator. Core Parts LLC · PMA PQ05326NM · Replaces ST3277-01 · Feb 26, 2026
- [3028815CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119353433120260311145425.0001): Sleeve, Propeller Shaft, Oil Transfer. Core Parts LLC · PMA PQ05326NM · Replaces 3028815 · Feb 26, 2026
- [3028815CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID119353433120260311145425.0001): Sleeve, Propeller Shaft, Oil Transfer. Core Parts LLC · PMA PQ05326NM · Replaces 3028815 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [ST3276-01CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID101621452020260311145336.0001): Gasket, Four-Hole. Core Parts LLC · PMA PQ05326NM · Replaces ST3276-01 · Feb 26, 2026
- [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026
- [3007355CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID150958507420260217165221.0001): Spacer, Adjusting. Core Parts LLC · PMA PQ05326NM · Replaces 3007355 · Feb 11, 2026
- [3010671RM](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID180066927420260204181356.0001): Washer, Flat. Rimark Manufacturing · PMA PQ10018NE · Replaces 3010671 · Jan 28, 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
- [3010880CP](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID111084696520260108163216.0001): Gasket, Igniter. CORE PARTS LLC · PMA PQ05326NM · Replaces 3010880 · Oct 16, 2025
- [210036ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121764629320250926170341.0001): Bearing, Needle. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 210036 · Sep 9, 2025
- [210036ACD](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID121764629320250926170341.0001): Bearing, Needle. Aircraft Component Design LLC · PMA PQ2138NE · Replaces 210036 · Sep 9, 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
- [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
- [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
- [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
- [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
- [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
- [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
- [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
- [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
- [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/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/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/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
- [3012414AA](https://drs.faa.gov/browse/excelExternalWindow/DRSDOCID117377138920250106202801.0001): Nut, Self-Locking, 12 Point. Aero Attitude, LLC · PMA PQ00001CB · Replaces 3012412 · Dec 10, 2024

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

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