# NTSB investigations: Pratt & Whitney PT6A 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.

Page 1 of 13 · 650 cases

## Latest cases

- [NTSB CEN26LA316](https://openairdocs.org/ntsb/CEN26LA316.md): Beech 99 · Belleville, MI · Accident · No injuries · Class 3 · Limited · Preliminary report · Sep 10, 2026 · N799CZ · 2 aircraft · Minor damage
  > On September 10, 2026, about 1545 eastern daylight time, a Beech 99 airplane, N799CZ, and a Diamond DA20 airplane, N84VV were involved in a ground collision accident at the Willow Run Airport, Belleville, Michigan. N799CZ received minor damage and N84VV…
- [NTSB WPR26LA205](https://openairdocs.org/ntsb/WPR26LA205.md): Cessna 208B · Shelton, WA · Accident · Serious injuries · Class 4 · Limited · Investigation open · May 29, 2026 · N661WA · Substantial damage
- [NTSB WPR26FA186](https://openairdocs.org/ntsb/WPR26FA186.md): Beech C90 · Lincoln, NM · Accident · 4 fatal · Class 3 · Field · Preliminary report · May 14, 2026 · N249CP · Destroyed
  > On May 14, 2026, at 0015 mountain daylight time, a Beech C90, N249CP, was destroyed when it was involved in an accident near Lincoln, New Mexico. Both pilots and passengers sustained fatal injuries. The airplane was operated by Generation Jets under the…
- [NTSB ERA26LA172](https://openairdocs.org/ntsb/ERA26LA172.md): Dehavilland DHC-3 · Dry Tortugas, FL · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 11, 2026 · N708KA · Substantial damage
  > On April 11, 2026, about 0845 eastern daylight time, an amphibious DeHavilland DHC-3, N708KA, was substantially damaged when it was involved in an accident near Dry Tortugas, Florida. The pilot was not injured. The airplane was operated as a Title 14 Code of…
- [NTSB ERA26LA167](https://openairdocs.org/ntsb/ERA26LA167.md): Cessna 172S · Marathon, FL · Accident · No injuries · Class 3 · Limited · Preliminary report · Apr 11, 2026 · N529ND · 2 aircraft · Substantial damage
  > On April 11, 2026, about 1330 eastern daylight time, a Cessna 172S airplane, N529ND sustained substantial damage and a Raytheon Aircraft Company B200 (King Air) airplane, N699BW sustained minor damage when they collided in flight near Marathon, Florida. The 2…
- [NTSB ERA26LA148](https://openairdocs.org/ntsb/ERA26LA148.md): Cessna 208 · North Canton, OH · Accident · No injuries · Class 4 · Limited · Final report · Mar 13, 2026 · N9612B · Substantial damage
  > The flight instructor’s decision to conduct a training flight in strong, gusting crosswinds, which resulted in the airplane’s right wing impacting the ground during taxi.
- [NTSB CEN26LA128](https://openairdocs.org/ntsb/CEN26LA128.md): Air Tractor AT-502 · Larose, LA · Accident · No injuries · Class 4 · Limited · Final report · Mar 1, 2026 · N5063N · Substantial damage
  > The pilot’s improper fuel planning and his failure to adequately monitor the fuel level during flight, which resulted in fuel exhaustion, and a total loss of engine power. Contributing to the accident was the pilot’s lack of attention performing the task,…
- [NTSB CEN26LA127](https://openairdocs.org/ntsb/CEN26LA127.md): Raytheon B36TC · Durango, CO · Accident · No injuries · Class 4 · Limited · Final report · Feb 26, 2026 · N2251Q · Substantial damage
  > The pilot’s improper landing flare and subsequent loss of directional control while attempting to land during high crosswind conditions.
- [NTSB CEN26LA036](https://openairdocs.org/ntsb/CEN26LA036.md): Air Tractor AT-502 · Gueydan, LA · Accident · Serious injuries · Class 4 · Limited · Final report · Nov 5, 2025 · N7315L · Substantial damage
  > The pilot’s failure to maintain situational awareness and clearance from terrain while maneuvering to avoid birds.
- [NTSB ERA26FA011](https://openairdocs.org/ntsb/ERA26FA011.md): Socata TBM 700 · Dartmouth, MA · Accident · 2 fatal · Class 3 · Field · Preliminary report · Oct 13, 2025 · N111RF · Substantial damage
  > On October 13, 2025, at about 0815 eastern daylight time, a Socata TBM 700C2, N111RF, was substantially damaged when it was involved in an accident near Dartmouth, Massachusetts. The private pilot and the passenger were fatally injured and an automobile…
- [NTSB CEN25LA394](https://openairdocs.org/ntsb/CEN25LA394.md): Piper PA46 · Henderson, TX · Accident · No injuries · Class 4 · Limited · Final report · Sep 25, 2025 · N388TW · Substantial damage
  > The pilot’s failure to extend the main landing gear prior to landing, which resulted in a gear up landing. Contributing to the accident was the pilot’s distraction during the approach.
- [NTSB ANC25LA110](https://openairdocs.org/ntsb/ANC25LA110.md): Cessna 208B · Healy, AK · Accident · No injuries · Class 4 · Limited · Final report · Sep 23, 2025 · N976E · Substantial damage
  > The pilot’s failure to maintain directional control during the departure roll resulting in a collision with a tractor/loader.
- [NTSB CEN25LA313](https://openairdocs.org/ntsb/CEN25LA313.md): Air Tractor AT-502 · Lawrenceville, IL · Accident · Minor injuries · Class 3 · Limited · Preliminary report · Aug 10, 2025 · N9193V · Substantial damage
  > On August 10, 2025, about 1321 central daylight time, an Air Tractor AT-502, was substantially damaged when it was involved in an accident near Lawrenceville, Illinois. The pilot sustained minor injuries. The airplane was operated as a Title 14 Code of…
- [NTSB WPR25FA213](https://openairdocs.org/ntsb/WPR25FA213.md): Scott Macwilliam SR3500 Moose · Quinault, WA · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jul 15, 2025 · N80TM · Substantial damage
  > On July 15, 2025, at about 1440 Pacific daylight time, an experimental amateur-built Murphy Moose SR3500 airplane, N80TM, sustained substantial damage when it was involved in an accident near Quinault, Washington. The pilot received minor injuries, one…
- [NTSB ERA25LA222](https://openairdocs.org/ntsb/ERA25LA222.md): Dehavilland DHC-6 Twin Otter · Tullahoma, TN · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Jun 8, 2025 · N166DH · Substantial damage
  > On June 8, 2025, about 1220 central daylight time, a DeHavilland DHC-6 Twin Otter, N166DH, was involved in an accident near Tullahoma, Tennessee. The commercial pilot and five passengers were seriously injured, and 15 passengers were not injured. The flight…
- [NTSB CEN25FA197](https://openairdocs.org/ntsb/CEN25FA197.md): Air Tractor AT-502 · Grady, AR · Accident · 1 fatal · Class 3 · Field · Preliminary report · Jun 6, 2025 · N9185F · Substantial damage
  > On June 6, 2025, about 1830 central daylight time, an Air Tractor AT-502 airplane, N9185F, was substantially damaged when it was involved in an accident near Grady, Arkansas. The pilot was fatally injured. The airplane was operated as a Title 14 Code of…
- [NTSB WPR25LA122](https://openairdocs.org/ntsb/WPR25LA122.md): Beech C90A · Helena, MT · Accident · No injuries · Class 3 · Limited · Final report · Mar 16, 2025 · N513JM · Substantial damage
  > The failure of the left main landing gear to fully extend and lock as a result of broken downlock switch wires and the failure of the pilots to complete the manual gear extension checklist.
- [NTSB CEN25LA122](https://openairdocs.org/ntsb/CEN25LA122.md): Cessna 208B · Dallas, TX · Accident · No injuries · Class 3 · Limited · Preliminary report · Mar 14, 2025 · N9471B · Substantial damage
  > On March 14, 2025, about 0738 central daylight time, a Cessna 208B airplane, N9471B, sustained substantial damage when it was involved in an accident at the Dallas-Fort Worth International Airport (DFW), Dallas, Texas. The pilot was not injured. The airplane…
- [NTSB ERA25FA119](https://openairdocs.org/ntsb/ERA25FA119.md): Cessna 208 · Pierson, FL · Accident · 1 fatal · Class 3 · Field · Final report · Feb 14, 2025 · N40EA · Substantial damage
  > The non-instrument-rated pilot’s continued visual flight into instrument meteorological conditions, which resulted in spatial disorientation and a subsequent loss of control.
- [NTSB ANC25LA011](https://openairdocs.org/ntsb/ANC25LA011.md): Raytheon C90A · Honolulu, HI · Accident · No injuries · Class 3 · Limited · Final report · Dec 21, 2024 · N438CA · Substantial damage
  > A temporary reduction in the airplane’s braking effectiveness during engine start following an exterior wash, which resulted in its uncommanded forward movement and collision with a parked airplane. Contributing to the accident was the flight crew’s delayed…
- [NTSB ERA25LA061](https://openairdocs.org/ntsb/ERA25LA061.md): Beech B300 · Franklin, NC · Accident · No injuries · Class 3 · Limited · Preliminary report · Nov 28, 2024 · N907EJ · Substantial damage
  > On November 28, 2024, about 1019 eastern standard time, a Beech B300, N907EJ, was substantially damaged when it was involved in an accident near Franklin, North Carolina. The airline transport pilot was not injured. The airplane was operated as a Title…
- [NTSB GAA25WA062](https://openairdocs.org/ntsb/GAA25WA062.md): Short Bros SD3-60 · Roadtown, British Virgin Islands · Accident · Class 5 · Foreign · Nov 6, 2024 · N915GD
- [NTSB CEN25LA002](https://openairdocs.org/ntsb/CEN25LA002.md): Air Tractor AT-402A · Moffett, OK · Accident · No injuries · Class 4 · Limited · Final report · Oct 1, 2024 · N45472 · Substantial damage
  > The tail wheel assembly’s fractured bolt which resulted in the pilot’s loss of directional control during landing.
- [NTSB WPR24LA308](https://openairdocs.org/ntsb/WPR24LA308.md): Raytheon B200 · Las Vegas, NM · Accident · No injuries · Class 4 · Limited · Final report · Sep 17, 2024 · N102DB · Substantial damage
  > The airplane’s collision with an elk during landing.
- [NTSB WPR24FA255](https://openairdocs.org/ntsb/WPR24FA255.md): Air Tractor AT-802A · Izee, OR · Accident · 1 fatal · Class 3 · Field · Final report · Jul 26, 2024 · N805DG · Substantial damage
  > The pilot’s controlled flight into terrain while maneuvering through an area of low visibility due to wildfire smoke and haze.
- [NTSB CEN24FA260](https://openairdocs.org/ntsb/CEN24FA260.md): Air Tractor AT-502B · Bonita, LA · Accident · 1 fatal · Class 3 · Field · Final report · Jul 11, 2024 · N6177J · 2 aircraft · Destroyed
  > The failure of both pilots to see and avoid the other airplane while at low altitude enroute to their aerial application flights.
- [NTSB CEN24LA246](https://openairdocs.org/ntsb/CEN24LA246.md): Air Tractor AT-402 · Helm, MS · Accident · No injuries · Class 4 · Limited · Final report · Jun 30, 2024 · N9185K · Substantial damage
  > The pilot’s failure to maintain control, which resulted in an aerodynamic stall and impact with terrain.
- [NTSB WPR24FA201](https://openairdocs.org/ntsb/WPR24FA201.md): Air Tractor AT-802 · Arco, ID · Accident · 1 fatal · Class 3 · Field · Final report · Jun 20, 2024 · N802TP · 2 aircraft · Destroyed
  > A midair collision between two airplanes during aerial application operations due to both pilots’ insufficient awareness of their proximity to each other and their failure to see and avoid each other. Contributing to the accident was the operator and both…
- [NTSB WPR24LA186](https://openairdocs.org/ntsb/WPR24LA186.md): Grumman/Schweizer G-164D · Richvale, CA · Accident · No injuries · Class 4 · Limited · Final report · Jun 8, 2024 · N6736K · Substantial damage
  > The pilot’s decision to take off with a tailwind and their failure to maintain clearance from terrain.
- [NTSB CEN24LA216](https://openairdocs.org/ntsb/CEN24LA216.md): Air Tractor AT-402 · Perryton, TX · Accident · Serious injuries · Class 4 · Limited · Final report · Jun 6, 2024 · N45123 · Destroyed
  > The pilot’s exceedance of the airplane’s critical angle of attack during a low-level turn, which resulted in an aerodynamic stall and loss of airplane control at too low of an altitude to recover.
- [NTSB CEN24LA193](https://openairdocs.org/ntsb/CEN24LA193.md): Air Tractor AT-502 · Covert, KS · Accident · No injuries · Class 3 · Limited · Final report · May 19, 2024 · N15189 · Substantial damage
  > The improper maintenance of the fuel control unit, which resulted in air leakage and a loss of control of fuel flow to the engine.
- [NTSB CEN24FA179](https://openairdocs.org/ntsb/CEN24FA179.md): Piper PA46-500TP · Marianna, AR · Accident · 2 fatal · Class 3 · Field · Final report · May 13, 2024 · N241PM · Substantial damage
  > The pilot’s exceedance of the airplane’s design limitations, which resulted in an in-flight breakup.
- [NTSB CEN24LA175](https://openairdocs.org/ntsb/CEN24LA175.md): Air Tractor AT-802A · England, AR · Accident · Serious injuries · Class 4 · Limited · Final report · May 1, 2024 · N8515G · Substantial damage
  > The pilot’s failure to maintain clearance from tower guy wires while maneuvering during a low-level aerial application flight.
- [NTSB CEN24LA165](https://openairdocs.org/ntsb/CEN24LA165.md): Air Tractor AT-502B · Olney, TX · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2024 · N6108L · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane during landing in gusty wind conditions.
- [NTSB CEN24LA153](https://openairdocs.org/ntsb/CEN24LA153.md): Beech B300 · Oklahoma City, OK · Accident · No injuries · Class 4 · Limited · Final report · Apr 9, 2024 · N243MH · Substantial damage
  > An in-flight collision with a bird during the initial climb.
- [NTSB ERA24LA094](https://openairdocs.org/ntsb/ERA24LA094.md): Cessna 208 · Dulles, VA · Incident · No injuries · Class 3 · Limited · Final report · Jan 19, 2024 · N1983X · Minor damage
  > The pilot-in-command’s approach to the critical angle of attack during initial climb, which resulted in a vibration the flight crew improperly identified as an engine issue and resulted in the subsequent off-airport landing. Contributing to the accident was…
- [NTSB WPR24LA070](https://openairdocs.org/ntsb/WPR24LA070.md): Air Tractor AT-502A · Stratford, CA · Accident · No injuries · Class 3 · Limited · Final report · Jan 10, 2024 · N6126U · Substantial damage
  > A partial loss of engine power due to the malfunction of the engine compressor bleed-off valve.
- [NTSB CEN24LA058](https://openairdocs.org/ntsb/CEN24LA058.md): Piper PA46-500TP · Ann Arbor, MI · Accident · No injuries · Class 4 · Limited · Final report · Dec 10, 2023 · N90ZZ · Substantial damage
  > The airplane’s encounter with unexpected wind shear during final approach, which resulted in a hard landing short of the runway.
- [NTSB CEN24FA021](https://openairdocs.org/ntsb/CEN24FA021.md): Air Tractor AT-502B · Vidalia, LA · Accident · 1 fatal · Class 3 · Field · Final report · Oct 24, 2023 · N5180W · Substantial damage
  > The pilot’s failure to maintain clearance from power lines during an aerial application flight. Contributing to the accident was the pilot’s cell phone use and the position of the sun, which reduced the pilot’s ability to perceive the location of the power…
- [NTSB ERA24LA012](https://openairdocs.org/ntsb/ERA24LA012.md): Beech 300 · Atlanta, GA · Accident · No injuries · Class 3 · Limited · Final report · Oct 18, 2023 · N93GA · Substantial damage
  > The pilot’s failure to maintain a proper approach speed, which resulted in a runway overrun. Contributing to the runway overrun were the pilot’s application of full reverse at an airspeed higher than that allowed by the system, which added power and forward…
- [NTSB WPR23LA333](https://openairdocs.org/ntsb/WPR23LA333.md): Ayres S2R-T34 · Three Rocks, CA · Accident · No injuries · Class 4 · Limited · Final report · Sep 1, 2023 · N61373 · Substantial damage
  > The airplane’s exceedance of the critical angle of attack, resulting in an aerodynamic stall and impact with terrain.
- [NTSB CEN23LA377](https://openairdocs.org/ntsb/CEN23LA377.md): Air Tractor AT-502 · Great Bend, ND · Accident · No injuries · Class 3 · Limited · Final report · Aug 15, 2023 · N9082C · Substantial damage
  > The pilot’s hard landing on a road and subsequent loss of control, resulting in the airplane impacting a ditch.
- [NTSB ERA23LA327](https://openairdocs.org/ntsb/ERA23LA327.md): Air Tractor AT502 · Leipsic, OH · Accident · No injuries · Class 3 · Limited · Final report · Aug 4, 2023 · N5048S · Substantial damage
  > The incorrect assembly of the turbine engine’s reduction gear box second-stage ring gear, which resulted in an internal failure of multiple engine components and a total loss of power.
- [NTSB CEN23LA317](https://openairdocs.org/ntsb/CEN23LA317.md): Grumman G-164A · Patoka, IL · Accident · No injuries · Class 3 · Limited · Final report · Jul 22, 2023 · N9892 · Substantial damage
  > A partial loss of engine power due to the failure of two compressor turbine blades as a result of the engine operating near or above the engine’s operating limits for an undetermined amount of time beyond the recommended engine’s TBO limit, which led to…
- [NTSB WPR23LA217](https://openairdocs.org/ntsb/WPR23LA217.md): Air Tractor AT-502B · Bakersfield, CA · Accident · Minor injuries · Class 4 · Limited · Final report · Jun 5, 2023 · N6174W · Substantial damage
  > The pilot’s improper use of flaps during the takeoff sequence which resulted in a runway overrun and collision with trees.
- [NTSB ERA23LA215](https://openairdocs.org/ntsb/ERA23LA215.md): Air Tractor AT-402A · Good Hope, AL · Accident · No injuries · Class 4 · Limited · Final report · Apr 24, 2023 · N623LA · Substantial damage
  > The pilot’s decision to land on a runway where there was insufficient clearance from obstructions (wheat crop) to operate safely.
- [NTSB GAA23WA099](https://openairdocs.org/ntsb/GAA23WA099.md): Cessna 208B · Puente de Ixtla, Mexico · Accident · No injuries · Class 5 · Foreign · Feb 10, 2023 · N9634B · Substantial damage
- [NTSB ANC23FA008](https://openairdocs.org/ntsb/ANC23FA008.md): Raytheon C90A · Kaupo, HI · Accident · 3 fatal · Class 3 · Field · Final report · Dec 15, 2022 · N13GZ · Substantial damage
  > Guardian Flight’s inadequate pilot training and performance tracking, which failed to identify and correct the pilot’s consistent lack of skill, and which resulted in the pilot’s inability to maintain his position inflight using secondary instruments to…
- [NTSB ERA22FA350](https://openairdocs.org/ntsb/ERA22FA350.md): Air Tractor AT-502 · Cheneyville, LA · Accident · 1 fatal · Class 3 · Field · Final report · Aug 2, 2022 · N9184Q · Substantial damage
  > The pilot’s loss of control after exceeding the airplane’s critical angle of attack for reasons that could not be determined.
- [NTSB CEN22LA335](https://openairdocs.org/ntsb/CEN22LA335.md): Ayres S2R-T34 · Parkin, AR · Accident · 1 fatal · Class 3 · Limited · Final report · Jul 23, 2022 · N4046S · Destroyed
  > The pilot’s failure to maintain clearance from tower guy wires while maneuvering.

Next page: https://openairdocs.org/ntsb.md?engine=52032&page=2

## 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 ('52032', '52034'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52032

---
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.