# NTSB investigations: Pratt & Whitney Canada PT6A-60A: 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 WPR25LA218](https://openairdocs.org/ntsb/WPR25LA218.md): Cessna 425 · Round Rock, AZ · Accident · No injuries · Class 3 · Limited · Preliminary report · Jul 17, 2025 · N425D · Substantial damage
  > On July 17, 2025, about 1600 mountain daylight time, a Cessna 425, N425D, was substantially damaged when it was involved in an accident near Round Rock, Arizona. The pilot receiving instruction and the flight instructor were not injured. The airplane was…
- [NTSB ERA17LA326](https://openairdocs.org/ntsb/ERA17LA326.md): Air Tractor AT 502 · Union City, TN · Accident · No injuries · Limited investigation · Final report · Sep 15, 2017 · N4531K · Substantial damage
  > The catastrophic failure of the compressor turbine blades, which resulted in a total loss of engine power. Contributing to the accident was the installation of undocumented, time-limited engine components of indeterminate age.
- [NTSB ERA13LA138](https://openairdocs.org/ntsb/ERA13LA138.md): Ayres S2R-T34 · Fort Gaines, GA · Accident · No injuries · Limited investigation · Final report · Feb 15, 2013 · N3095X · Substantial damage
  > The total loss of engine power due to fuel starvation as a result of debris in the fuel control unit.
- [NTSB WPR11LA288](https://openairdocs.org/ntsb/WPR11LA288.md): Air Tractor AT-502 · Lewistown, MT · Accident · No injuries · Limited investigation · Final report · Jun 25, 2011 · N1022N · Substantial damage
  > The fatigue fracture and separation of the fuel bypass line, which resulted in a total loss of engine power.

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

This list as a web page: https://openairdocs.org/ntsb-events/341/cases?engine=52043

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