# NTSB investigations: Pratt & Whitney Canada PT6A-60A: Loss of control on ground

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 CEN25LA293](https://openairdocs.org/ntsb/CEN25LA293.md): Piper PA-31T3 · Appleton, WI · Accident · No injuries · Class 4 · Limited · Final report · Jul 26, 2025 · N401VA · Substantial damage
  > The pilot’s failure to maintain control of the airplane on the ground, which resulted in a collision with a parked airplane.
- [NTSB CEN23LA103](https://openairdocs.org/ntsb/CEN23LA103.md): Cessna 425 · Bismarck, ND · Accident · Minor injuries · Class 3 · Limited · Final report · Feb 6, 2023 · N425Z · Substantial damage
  > A loss of braking due to inadequate servicing of brake fluid by the pilot/mechanic, which resulted in a loss of airplane control on the ground.
- [NTSB GAA23WA061](https://openairdocs.org/ntsb/GAA23WA061.md): Air Tractor AT-502 · Puerto Barrios, Guatemala · Accident · Class 5 · Foreign · Jan 31, 2023 · N4507U · Substantial damage
- [NTSB CEN22LA389](https://openairdocs.org/ntsb/CEN22LA389.md): Air Tractor AT502 · Appleton, MN · Accident · No injuries · Class 4 · Limited · Final report · Aug 10, 2022 · N73194 · Substantial damage
  > The pilot’s failure to maintain directional control during the takeoff roll with a quartering tailwind.
- [NTSB CEN21LA118](https://openairdocs.org/ntsb/CEN21LA118.md): Beech 300 · Davenport, IA · Accident · No injuries · Class 4 · Limited · Final report · Jan 28, 2021 · N217US · Substantial damage
  > The pilot’s failure to maintain directional control of the airplane, and the flight instructor’s inadequate oversight during a simulated engine out takeoff that resulted in a runway excursion and impact with a snowbank.
- [NTSB GAA18CA245](https://openairdocs.org/ntsb/GAA18CA245.md): Ayres S2R · Weipee, ID · Accident · No injuries · Data collection · Final report · Apr 18, 2018 · N40170 · Substantial damage
  > The pilot’s failure to maintain directional control during the takeoff roll.
- [NTSB GAA16CA321](https://openairdocs.org/ntsb/GAA16CA321.md): Air Tractor AT 502 · Delhi, LA · Accident · No injuries · Data collection · Final report · Jun 15, 2016 · N1002L · Substantial damage
  > The pilot's inability to maintain directional control during the landing roll as a result of a piece of concrete from the runway impacting the right main landing gear brake during the landing roll, resulting in a right brake failure and a ground loop.
- [NTSB GAA16CA184](https://openairdocs.org/ntsb/GAA16CA184.md): Dehavilland DHC 6 Twin Otter · Fentress, TX · Accident · No injuries · Data collection · Final report · Apr 9, 2016 · N122PM · Substantial damage
  > The pilot's failure to maintain directional control during the aborted landing in gusty crosswind conditions, which resulted in a runway excursion and a collision with a tree.
- [NTSB ERA14CA030](https://openairdocs.org/ntsb/ERA14CA030.md): Air Tractor AT 502 · Charleston, MS · Accident · No injuries · Data collection · Final report · Oct 21, 2013 · N1022N · Substantial damage
  > The pilot's failure to maintain directional control, which resulted in a runway excursion and collision with a fence.

## 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 ('52043', '51999')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_events.parquet' e WHERE e.case_mkey = x.case_mkey AND e.aircrafts_position = x.position AND e."isDefiningEvent" AND e."tier2Number" = '230'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/230/cases?engine=52043

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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.