# NTSB investigations: Pratt & Whitney Canada PT6A-34AG, TX

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 CEN24FA221](https://openairdocs.org/ntsb/CEN24FA221.md): Air Tractor AT502 · Whiteface, TX · Accident · 1 fatal · Class 3 · Field · Final report · Jun 14, 2024 · N2032K · 2 aircraft · Substantial damage
  > Both pilot’s failure to see and avoid the other airplane during simultaneous aerial application operations over the same area. Contributing to the accident was the operator’s poor decision to assign the pilots to conduct separate aerial application operations…
- [NTSB CEN21LA322](https://openairdocs.org/ntsb/CEN21LA322.md): Air Tractor AT502 · Edcouch, TX · Accident · No injuries · Class 4 · Limited · Final report · Jul 15, 2021 · N334LA · Substantial damage
  > The pilot’s inadequate compensation for a gusting wind during takeoff.
- [NTSB GAA19CA339](https://openairdocs.org/ntsb/GAA19CA339.md): Air Tractor AT502 · San Benito, TX · Accident · No injuries · Data collection · Final report · Jun 13, 2019 · N103CK · Substantial damage
  > The pilot's improper decision to take off with the airplane near its maximum allowable gross takeoff weight and his subsequent exceedance of the airplane's critical angle of attack during takeoff, which resulted in an aerodynamic stall.
- [NTSB GAA15CA152](https://openairdocs.org/ntsb/GAA15CA152.md): Air Tractor AT 502B · Edna, TX · Accident · No injuries · Data collection · Final report · Jun 24, 2015 · N6107W · Substantial damage
  > The pilot's failure to maintain directional control during the takeoff roll, resulting in a runway excursion, and collision with a fence.
- [NTSB GAA15LA101](https://openairdocs.org/ntsb/GAA15LA101.md): Air Tractor AT 502B · Archer City, TX · Accident · Serious injuries · Limited investigation · Final report · May 31, 2015 · N120TF · Substantial damage
  > The pilot’s failure to maintain adequate clearance from power transmission lines during an aerial application flight.
- [NTSB CEN14CA341](https://openairdocs.org/ntsb/CEN14CA341.md): Air Tractor AT 402B · Sudan, TX · Accident · Minor injuries · Data collection · Final report · Jun 26, 2014 · N5197U · Substantial damage
  > The pilot's lapse in monitoring the airplane's speed during a low level aerial application maneuver and its subsequent stall during the maneuver.

## 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."eventStateOrRegion" = 'TX' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52251'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52251&state=TX

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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.