# NTSB investigations: Pratt & Whitney Canada PT6A-65AG: Loss of engine power (total)

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 ERA23LA272](https://openairdocs.org/ntsb/ERA23LA272.md): Air Tractor AT802 · Wellington, FL · Accident · No injuries · Class 3 · Limited · Final report · Jun 20, 2023 · N3069S · Substantial damage
  > Wear of the fuel control unit drive shaft and the corresponding fuel pump drive gear, which resulted in the disengagement of the fuel control unit from the fuel pump, a decrease in fuel flow, and a loss of engine power.
- [NTSB CEN21LA357](https://openairdocs.org/ntsb/CEN21LA357.md): Air Tractor AT-602 · Mer Rouge, LA · Accident · Minor injuries · Class 3 · Limited · Final report · Aug 4, 2021 · N455LA · Substantial damage
  > The total loss of engine power due to fuel exhaustion. Contributing to the accident was the pilot and ground personnel’s miscalculation of available fuel.
- [NTSB WPR12LA032](https://openairdocs.org/ntsb/WPR12LA032.md): Air Tractor AT-602 · Williams, CA · Accident · No injuries · Limited investigation · Final report · Nov 8, 2011 · N325BR · Substantial damage
  > A total loss of engine power during takeoff initial climb for reasons that could not be determined because postaccident examination did not reveal any anomalies that would have precluded normal operation.
- [NTSB CHI08CA246](https://openairdocs.org/ntsb/CHI08CA246.md): Air Tractor AT-802A · Turton, SD · Accident · No injuries · Data collection · Final report · Aug 10, 2008 · N9078G · Substantial damage
  > The failure of the starter generator which resulted in the subsequent loss of engine power. Contributing to the accident were the low altitude at which the airplane was operating, the tall grass, and the ditch.

## 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" = '341'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/341/cases?engine=52109

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