# NTSB investigations: Pratt & Whitney Canada PT6A-34AG, 2015

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 CEN15LA335](https://openairdocs.org/ntsb/CEN15LA335.md): Air Tractor AT 502B · Virden, IL · Accident · No injuries · Limited investigation · Final report · Aug 1, 2015 · N502LH · Substantial damage
  > The pilot’s failure to establish a proper airspeed during takeoff with the airplane near its maximum gross weight and with a quartering tailwind.
- [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 WPR15LA176](https://openairdocs.org/ntsb/WPR15LA176.md): Ayres S2R T34 · Blythe, CA · Accident · 1 fatal · Limited investigation · Final report · Jun 2, 2015 · N4018Q · Destroyed
  > The pilot's failure to maintain adequate airspeed while maneuvering, which resulted in the airplane exceeding its critical angle-of-attack and experiencing an aerodynamic stall.
- [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 CEN15LA226](https://openairdocs.org/ntsb/CEN15LA226.md): Air Tractor AT 502B · Dighton, KS · Accident · No injuries · Limited investigation · Final report · May 10, 2015 · N879JA · Substantial damage
  > The pilot's failure to follow the Preflight checklist and his inadequate preflight inspection, during which he failed to detect the water contamination of the fuel, which resulted in a partial loss of engine power during initial climb.
- [NTSB CEN15LA222](https://openairdocs.org/ntsb/CEN15LA222.md): Air Tractor AT 502B · Basile, LA · Accident · 1 fatal · Limited investigation · Final report · May 5, 2015 · N4221G · Destroyed
  > The pilot’ failure to maintain adequate clearance from trees while maneuvering during an aerial application flight.

## 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 year(c."eventDate") = 2015
  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&year=2015

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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.