# NTSB investigations: Pratt & Whitney Canada PT6A-65AG: Loss of control in flight

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 CEN24FA278](https://openairdocs.org/ntsb/CEN24FA278.md): Air Tractor AT-602 · Oxford, IN · Accident · 1 fatal · Class 3 · Field · Final report · Jul 22, 2024 · N602WR · Substantial damage
  > The pilot’s exceedance of the airplane’s critical angle of attack and failure to maintain adequate airspeed while maneuvering during an agricultural flight, which resulted in an aerodynamic stall and a loss of control at too low of an altitude to recover.…
- [NTSB CEN24FA220](https://openairdocs.org/ntsb/CEN24FA220.md): Air Tractor AT-602 · Broseley, MO · Accident · 1 fatal · Class 3 · Field · Final report · Jun 14, 2024 · N115AA · Destroyed
  > The pilot’s inflight loss of airplane control for reasons that could not be determined.
- [NTSB CEN23FA353](https://openairdocs.org/ntsb/CEN23FA353.md): Air Tractor AT-802 · Gilman City, MO · Accident · 1 fatal · Class 3 · Field · Final report · Aug 8, 2023 · N804AA · Destroyed
  > The pilot's exceedance of the airplane's critical angle of attack and failure to maintain adequate airspeed during a steep turn, which resulted in an aerodynamic stall at an altitude too low for recovery.
- [NTSB CEN16LA260](https://openairdocs.org/ntsb/CEN16LA260.md): Air Tractor AT-602 · Kennett, MO · Accident · 1 fatal · Limited investigation · Final report · Jul 7, 2016 · N967JB · Destroyed
  > The pilot's failure to maintain clearance from power lines while maneuvering during the aerial application flight.
- [NTSB CEN14LA255](https://openairdocs.org/ntsb/CEN14LA255.md): Air Tractor AT 602 · Gueydan, LA · Accident · 1 fatal · Limited investigation · Final report · May 27, 2014 · N602RR · Substantial damage
  > The pilot's failure to maintain airplane control, which resulted in a stall and subsequent collision with power lines.

## 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 ('52109')
    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" = '240'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/240/cases?engine=52109

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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.