# NTSB investigations: Pratt & Whitney Canada PT6A-6 series

NTSB aviation accident and incident investigations since 1962: the probable cause, findings, aircraft, crew, weather and docket of each, linked to the FAA registry and the FAA’s own reports.

## Latest cases

- [NTSB ERA25LA254](https://openairdocs.org/ntsb/ERA25LA254.md): Cessna 208 · Monroe, NJ · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jul 2, 2025 · N716MM · Substantial damage
  > On July 2, 2025, about 1729 eastern daylight time, a Cessna 208B, N716MM, was substantially damaged when it was involved in an accident near Monroe, New Jersey. The two commercial pilots and 10 passengers were seriously injured, while three passengers…
- [NTSB CEN25FA141](https://openairdocs.org/ntsb/CEN25FA141.md): Socata TBM700A · Brooklyn Park, MN · Accident · 1 fatal · Class 3 · Field · Preliminary report · Mar 29, 2025 · N721MB · Destroyed
  > On March 29, 2025, about 1221 central daylight time, a Socata TBM700A airplane, N721MB, was destroyed when it was involved in an accident near Brooklyn Park, Minnesota. The pilot was fatally injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB ERA24LA220](https://openairdocs.org/ntsb/ERA24LA220.md): Air Tractor AT-602 · New Washington, OH · Accident · Minor injuries · Class 4 · Limited · Final report · May 18, 2024 · N4196K · Substantial damage
  > The pilot’s failure to maintain clearance from powerlines during an aerial application flight.
- [NTSB WPR24LA109](https://openairdocs.org/ntsb/WPR24LA109.md): Raytheon B200 · Billings, MT · Accident · No injuries · Class 3 · Limited · Final report · Mar 12, 2024 · N299AV · Substantial damage
  > The pilot's improper engine start, resulting in the engine starters remaining engaged and the generators not being activated, which led to the discharge of the airplane’s battery and subsequent total electrical failure after takeoff. Contributing to the…
- [NTSB ERA23LA292](https://openairdocs.org/ntsb/ERA23LA292.md): Cessna 208B · Suffolk, VA · Accident · No injuries · Class 4 · Limited · Final report · Jul 3, 2023 · N716MM · Substantial damage
  > The pilot’s inadequate landing flare, which resulted in a nose landing gear collapse.
- [NTSB ANC22LA009](https://openairdocs.org/ntsb/ANC22LA009.md): Cessna 208 · Port Alsworth, AK · Accident · Minor injuries · Class 4 · Limited · Final report · Dec 2, 2021 · N9602F · Substantial damage
  > The pilot's failure to maintain a proper approach path which resulted in landing short of the runway and impact with terrain.
- [NTSB WPR18LA197](https://openairdocs.org/ntsb/WPR18LA197.md): Beech 90 · Tolani Lake, AZ · Accident · No injuries · Class 3 · Limited · Final report · Jul 12, 2018 · N617MM · Substantial damage
  > An autopilot deviation during climb for undetermined reasons, which resulted in an in-flight upset and loss of airplane control. Contributing to the accident was the pilot’s failure to adequately monitor flight systems due to a distraction.
- [NTSB ANC17WA048](https://openairdocs.org/ntsb/ANC17WA048.md): Socata TBM 700 · Zemyo, Japan · Accident · 2 fatal · Foreign investigation · Aug 14, 2017 · N702AV · Destroyed
  > On Aug 14, 2017, at 1215 Japan standard time, a United States registered Socata TBM 700 airplane, N702AV, operated by a private individual, was destroyed when it impacted mountainous terrain under unknown circumstances near Zemyo in Nara Prefecture, Japan.…
- [NTSB CEN17FA168](https://openairdocs.org/ntsb/CEN17FA168.md): Pilatus PC 12 · Amarillo, TX · Accident · 3 fatal · Class 2 · Field · Final report · Apr 29, 2017 · N933DC · Destroyed
  > The pilot's loss of airplane control due to spatial disorientation during the initial climb after takeoff in night instrument meteorological conditions and moderate turbulence.
- [NTSB GAA16CA475](https://openairdocs.org/ntsb/GAA16CA475.md): Beech 200 · Apopka, FL · Accident · No injuries · Data collection · Final report · Sep 10, 2016 · N369CD · Substantial damage
  > The pilot's failure to maintain directional control during an attempted aborted landing in gusty crosswind conditions, which resulted in a runway excursion and an impact with a tree.
- [NTSB ANC16LA012](https://openairdocs.org/ntsb/ANC16LA012.md): Cessna 208B · Anaktuvuk Pass, AK · Accident · Serious injuries · Limited investigation · Final report · Jan 2, 2016 · N540ME · Substantial damage
  > The pilot’s continued flight into deteriorating, flat light weather conditions, which resulted in impact with mountainous, snow-covered terrain.
- [NTSB GAA15CA080](https://openairdocs.org/ntsb/GAA15CA080.md): Pilatus PC12 - 45 · Crownpoint, NM · Accident · No injuries · Data collection · Final report · May 13, 2015 · N811VM · Substantial damage
  > The pilot's failure to extend the landing gear before landing.
- [NTSB CEN14WA062](https://openairdocs.org/ntsb/CEN14WA062.md): Socata TBM 700 · Mouffy, France · Accident · 6 fatal · Foreign investigation · Nov 19, 2013 · N115KC · Destroyed
- [NTSB ENG12IA014](https://openairdocs.org/ntsb/ENG12IA014.md): Beech 1900D · Denver International Airport, CO · Incident · No injuries · Incident investigation · Final report · Feb 17, 2012 · N210GL · Minor damage
  > A failure of the nose landing gear end cap due to fatigue. Contributing to the failure were the ineffective inspection and the unknown effect of grain direction on fatigue life.
- [NTSB CEN12WA092](https://openairdocs.org/ntsb/CEN12WA092.md): Socata TBM 700 · Lyon, France · Accident · 1 fatal · Foreign investigation · Nov 9, 2011 · N228CX · Substantial damage
- [NTSB ERA11LA424](https://openairdocs.org/ntsb/ERA11LA424.md): Air Tractor AT-602 · Drew, MS · Accident · 1 fatal · Limited investigation · Final report · Jul 26, 2011 · N8525L · Substantial damage
  > The pilot's improper decision to conduct a visual flight rules aerial application flight in instrument meteorological conditions, which resulted in an in flight collision with the ground while maneuvering.
- [NTSB CEN11IA341](https://openairdocs.org/ntsb/CEN11IA341.md): Beech 1900D · Denver, CO · Incident · No injuries · Incident investigation · Final report · May 17, 2011 · N218YV · Minor damage
  > The fatigue failure of the nose landing gear (NLG) end cap, which resulted in insufficient hydraulic pressure to secure the left main landing gear into the down and locked position. Contributing to the fatigue failure was the NLG end cap’s non-optimum grain…
- [NTSB DFW08CA155](https://openairdocs.org/ntsb/DFW08CA155.md): Ayres S2R-T34 · Des Arc, AR · Accident · No injuries · Data collection · Final report · May 27, 2008 · N3105E · Substantial damage
  > A total loss of engine power while maneuvering for undetermined reasons.
- [NTSB DFW08CA104](https://openairdocs.org/ntsb/DFW08CA104.md): Air Tractor AT-602 · Paragould, AR · Accident · Serious injuries · Data collection · Final report · Apr 20, 2008 · N8517M · Substantial damage
  > The pilot's failure to maintain clearance from electrical wires while maneuvering. Contributing to the accident were binding of the elevator control, inadvertent stall and trees.
- [NTSB DEN08GA076](https://openairdocs.org/ntsb/DEN08GA076.md): Air Tractor AT-602 · Fort Carson, CO · Accident · 1 fatal · Final report · Apr 16, 2008 · N602AA · Destroyed
  > The pilot's failure to maintain aircraft control following the jettison of the load during an aerial fire flighting mission, which resulted in an inadvertent stall and impact with terrain. Contributing to the accident were the improperly configured aircraft…
- [NTSB CHI08CA043](https://openairdocs.org/ntsb/CHI08CA043.md): Air Tractor AT-502 · Loop City, NE · Accident · Minor injuries · Data collection · Final report · Nov 9, 2007 · N9192X · Substantial damage
  > The obstruction clearance not maintained by the pilot during an aerial application of a field and the subsequent hard landing onto the field. Contributing factors were the power line and rough/uneven terrain.
- [NTSB DEN07LA051](https://openairdocs.org/ntsb/DEN07LA051.md): Piaggio Industrie P180 · Eagle, CO · Accident · No injuries · Limited investigation · Final report · Jan 16, 2007 · N17PA · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during the landing roll.
- [NTSB CHI06FA077](https://openairdocs.org/ntsb/CHI06FA077.md): Short Brothers SD-360-300 · Watertown, WI · Accident · 3 fatal · Field investigation · Final report · Feb 5, 2006 · N3735W · 2 aircraft · Destroyed
  > The other airplane's flight crew failure to maintain clearance while maneuvering during formation flight. Contributing to the accident was the decision of both flight crews to fly in formation.
- [NTSB ATL06FA044](https://openairdocs.org/ntsb/ATL06FA044.md): Beech 200 · N Myrtle Beach, SC · Accident · 6 fatal · Field investigation · Final report · Feb 4, 2006 · N266EB · Destroyed
  > The pilot's failure to maintain control during landing approach for undetermined reasons.
- [NTSB LAX06CA070](https://openairdocs.org/ntsb/LAX06CA070.md): Socata TBM 700 · Lancaster, CA · Accident · Minor injuries · Data collection · Final report · Dec 27, 2005 · N198X · Substantial damage
  > The student's failure to maintain adequate airspeed, and the instructor's inadequate supervision and delayed remedial action, which resulted in a stall/mush.
- [NTSB NYC05IA128](https://openairdocs.org/ntsb/NYC05IA128.md): Beech 1900D · Rockland, ME · Incident · No injuries · Incident investigation · Final report · Aug 2, 2005 · N136MJ · No damage
  > A loose elevator attachment, which resulted in a partial elevator binding during takeoff and uncommanded elevator movement during cruise.
- [NTSB DEN04IA059](https://openairdocs.org/ntsb/DEN04IA059.md): Beech 1900D · Denver, CO · Incident · No injuries · Incident investigation · Final report · Apr 9, 2004 · N210GL · No damage
  > arcing of the windshield deicing system. Factors contributing to the incident were the improper inspection of the windshield's exterior seal, deterioration of the windshield seal, and water penetration through the deteriorated seal.
- [NTSB NYC04LA099](https://openairdocs.org/ntsb/NYC04LA099.md): Beech 1900D · Windsor Locks, CT · Accident · No injuries · Limited investigation · Final report · Apr 1, 2004 · N149CJ · Substantial damage
  > The fuel truck driver's failure to maintain clearance with a taxiing airplane, resulting in the collision between the fuel truck and the airplane. A factor in the accident was the night condition.
- [NTSB ANC03LA029](https://openairdocs.org/ntsb/ANC03LA029.md): Cessna 208 · Kotzebue, AK · Accident · Minor injuries · Limited investigation · Final report · Mar 2, 2003 · N205BA · Substantial damage
  > The pilot's continued VFR flight into instrument meteorological conditions, and his failure to maintain altitude/clearance above the ground, resulting in a collision with snow and ice covered terrain during the final approach phase of a VFR landing. Factors…
- [NTSB DEN03LA043](https://openairdocs.org/ntsb/DEN03LA043.md): Socata TBM 700 · Aspen, CO · Accident · No injuries · Limited investigation · Final report · Feb 15, 2003 · N700GJ · Substantial damage
  > the dual student's failure to maintain aircraft control and the inadequate supervision by the flight instructor. Contributing factors include the tailwind and the turbulence.
- [NTSB DEN99IA136](https://openairdocs.org/ntsb/DEN99IA136.md): Beech 1900D · Denver, CO · Incident · No injuries · Incident investigation · Final report · Aug 5, 1999 · N101UX · 2 aircraft · Minor damage
  > See cause/factor narrative for DEN 99-I-A136A.
- [NTSB CHI99LA085](https://openairdocs.org/ntsb/CHI99LA085.md): Beech 1900D · Milwaukee, WI · Accident · No injuries · Limited investigation · Final report · Feb 8, 1999 · N148SK · Substantial damage
  > the in-flight collision with a bird.
- [NTSB LAX98LA114](https://openairdocs.org/ntsb/LAX98LA114.md): Socata TBM 700 · Truckee, CA · Accident · Minor injuries · Limited investigation · Final report · Mar 14, 1998 · N345RD · Destroyed
  > The failure of the pilot to maintain control of the aircraft due to spatial disorientation. A factor was the dark night.
- [NTSB CHI96IA170](https://openairdocs.org/ntsb/CHI96IA170.md): Beech 1900D · Indianapolis, IN · Incident · No injuries · Incident investigation · Final report · May 24, 1996 · N148SK · Minor damage
  > failure of a forward cabin ventilation blower motor bearing, which resulted in binding of the blower motor; and inadequate design of the electrical system, which allowed overheating of the electrical circuit and smoke in the cabin of the aircraft.
- [NTSB FTW95LA245](https://openairdocs.org/ntsb/FTW95LA245.md): Ayres S2R-T34 · Devalls Bluff, AR · Accident · No injuries · Limited investigation · Final report · Jun 10, 1995 · N3105E · Substantial damage
  > The pilot's delayed flare resulting in a hard landing. Factors were the loss of engine power due to fuel starvation as a result of fuel line blockage.
- [NTSB SEA92IA150](https://openairdocs.org/ntsb/SEA92IA150.md): Beech 1900C · Cheyenne, WY · Incident · No injuries · Incident investigation · Final report · Jul 11, 1992 · N109YV · No damage
  > Failure of the fuel control unit on the left engine.

## The whole list in SQL

Runs in DuckDB 1.2 or later on the release's Parquet files over HTTPS:

```sql
SELECT c."ntsbNumber", c."eventDate", c."eventType", c."eventCity", c."eventStateOrRegion", a.n_number, a."aircraftMake", a."aircraftModel", c."highestInjuryLevel", c."totalFatal", c."completionStatus", c.report_url
FROM 'https://openairdocs.org/data/latest/ntsb_case_detail.parquet' c LEFT JOIN 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' a ON a.case_mkey = c."mKey" AND a.position = 1
WHERE c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52150'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52150

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
