# NTSB investigations: Pratt & Whitney Canada PT6A-65AG: Miscellaneous/other

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 CEN19LA334](https://openairdocs.org/ntsb/CEN19LA334.md): Air Tractor AT802 · Columbus, MS · Accident · Serious injuries · Class 3 · Limited · Final report · Sep 27, 2019 · N801BF · Substantial damage
  > A total loss of engine power control for undetermined reasons.
- [NTSB GAA18CA265](https://openairdocs.org/ntsb/GAA18CA265.md): Air Tractor AT 802 · Truman, AR · Accident · No injuries · Data collection · Final report · May 4, 2018 · N4170S · Substantial damage
  > The pilot’s failure to see and avoid a pole during an agricultural application flight.
- [NTSB CEN15LA138](https://openairdocs.org/ntsb/CEN15LA138.md): Air Tractor AT 602 · Slaton, TX · Accident · No injuries · Limited investigation · Final report · Feb 5, 2015 · N602PB · Substantial damage
  > Maintenance personnel’s improper installation of the engine data monitor (EDM), which was not in accordance with the supplemental type certificate instructions and resulted in engine warning indications and the pilot’s subsequent reaction to the warning…

## 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" = '900'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb-events/900/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.