# NTSB investigations: Pratt & Whitney R1340 series, UT

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 WPR20LA025](https://openairdocs.org/ntsb/WPR20LA025.md): North American SNJ-4 · Heber City, UT · Accident · No injuries · Class 3 · Limited · Final report · Nov 16, 2019 · N694US · Substantial damage
  > The pilot’s loss of directional control during landing as a result of the separated tailwheel-to-rudder link rod
- [NTSB WPR09LA085](https://openairdocs.org/ntsb/WPR09LA085.md): Air Tractor AT-301 · Beaver, UT · Accident · Minor injuries · Limited investigation · Final report · Jan 15, 2009 · N3170C · Substantial damage
  > A loss of engine power while maneuvering due to a sheared propeller blade's pitch change link. Contributing to the accident was lack of suitable terrain for the forced landing.
- [NTSB DEN04LA083](https://openairdocs.org/ntsb/DEN04LA083.md): Ayres S-2R · Beaver, UT · Accident · No injuries · Limited investigation · Final report · May 31, 2004 · N5686X · Substantial damage
  > the in-flight failure of the engine's P3 tube which resulted in the loss of engine power and the subsequent impact with terrain during a forced landing. Contributing factors include the lack of suitable terrain for a forced landing and the fence.
- [NTSB DEN81DTM40](https://openairdocs.org/ntsb/DEN81DTM40.md): Grumman AG-CAT · Park Valley, UT · Accident · No injuries · Closed · Jul 14, 1981 · N5397 · Substantial damage
- [NTSB DEN79FTM21](https://openairdocs.org/ntsb/DEN79FTM21.md): Grumman G-164A · Richfield, UT · Accident · No injuries · Closed · Jul 21, 1979 · N6589 · Substantial damage
- [NTSB DEN76FTM47](https://openairdocs.org/ntsb/DEN76FTM47.md): Grumman G-164A · Leland, UT · Accident · No injuries · Closed · Aug 23, 1976 · N6589 · Substantial damage
- [NTSB DEN67F0024](https://openairdocs.org/ntsb/DEN67F0024.md): N American AT-6 · Delta, UT · Accident · No injuries · Closed · Jul 5, 1966 · N3326G · Substantial damage

## 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."eventStateOrRegion" = 'UT' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('52016'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&state=UT

---
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.