# NTSB investigations: Pratt & Whitney R1340 series, OR

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 WPR26LA312](https://openairdocs.org/ntsb/WPR26LA312.md): Schweizer G-164B · Olene, OR · Accident · Serious injuries · Class 3 · Limited · Preliminary report · Aug 20, 2026 · N7501Q · Destroyed
  > On August 20, 2026, about 9:32 Pacific daylight time, a Schweizer Aircraft Corp., G-164B, N7501Q, was destroyed when it was involved in an accident near Orlene, Oregon. The pilot was seriously injured. The airplane was operated as a Title 14 Code of Federal…
- [NTSB WPR23LA261](https://openairdocs.org/ntsb/WPR23LA261.md): North American AT-6G · La Grande, OR · Accident · No injuries · Class 4 · Limited · Final report · Jul 8, 2023 · N92761 · Substantial damage
  > The pilot's failure to maintain clearance from trees during an airstrip overfly, which resulted in impact damage to the left wing.
- [NTSB GAA19CA185](https://openairdocs.org/ntsb/GAA19CA185.md): Rockwell S 2R · Hermiston, OR · Accident · Minor injuries · Data collection · Final report · Mar 28, 2019 · N4250X · Substantial damage
  > The pilot's distraction due to a spray handle opening and his improper pitch trim setting during final approach, which resulted in an excessive pitchdown when he took his hand off the controls to close the handle.
- [NTSB WPR15LA106](https://openairdocs.org/ntsb/WPR15LA106.md): Grumman Acft ENG Cor-Schweizer G 164A · Alfalfa, OR · Accident · No injuries · Limited investigation · Final report · Feb 18, 2015 · N4863 · Substantial damage
  > A total loss of engine power after takeoff for reasons that could not be determined, because examination of the engine did not reveal any mechanical anomalies that would have precluded normal operation.
- [NTSB SEA03LA152](https://openairdocs.org/ntsb/SEA03LA152.md): Rockwell S-2R · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · Jul 21, 2003 · N4250X · Substantial damage
  > The pilot's inadequate in-flight decision by failing to refuel, resulting in fuel exhaustion and the loss of power. Rocky terrain was a factor.
- [NTSB SEA95LA057](https://openairdocs.org/ntsb/SEA95LA057.md): North American AT-6G · Salem, OR · Accident · No injuries · Limited investigation · Final report · Feb 25, 1995 · N4269E · Substantial damage
  > The pilot-in-command's failure to maintain directional control during the landing rollout.
- [NTSB SEA89LA096](https://openairdocs.org/ntsb/SEA89LA096.md): Schweizer G-164 · Hermiston, OR · Accident · No injuries · Limited investigation · Final report · May 26, 1989 · N8768H · Substantial damage
  > Failure and separation of the left main landing wheel.
- [NTSB SEA85FYM01](https://openairdocs.org/ntsb/SEA85FYM01.md): Air Tractor AT301 · Weston, OR · Accident · Serious injuries · Final report · Apr 30, 1985 · N3652F · Destroyed
  > During this aerial application flight the aircraft clipped a tree and then impacted with the ground. The pilot was seriously injured when the stitching on the shoulder harness failed and the pilot was thrown forward.
- [NTSB SEA79FYM48](https://openairdocs.org/ntsb/SEA79FYM48-134274.md): Grumman G-164A · Hermiston, OR · Accident · No injuries · Closed · Jul 11, 1979 · N5340 · Substantial damage
- [NTSB SEA79DYM38](https://openairdocs.org/ntsb/SEA79DYM38.md): Snow S2D · Echo, OR · Accident · Minor injuries · Closed · Jun 7, 1979 · N1717S · Destroyed
- [NTSB SEA79DYM37](https://openairdocs.org/ntsb/SEA79DYM37.md): Aero Comdr S2R · Helix, OR · Accident · No injuries · Closed · May 25, 1979 · N4999X · Substantial damage
- [NTSB SEA77DYK15](https://openairdocs.org/ntsb/SEA77DYK15.md): Grumman G-164A · Klamath Falls, OR · Accident · Minor injuries · Closed · Jun 16, 1977 · N6662Q · Destroyed
- [NTSB SEA76FYC48](https://openairdocs.org/ntsb/SEA76FYC48.md): Aero Comdr 600S2R · Hermiston, OR · Accident · No injuries · Closed · May 6, 1976 · N4229X · Substantial damage
- [NTSB SEA73FYC24](https://openairdocs.org/ntsb/SEA73FYC24.md): Kaman K-600 · Pilot Rock, OR · Accident · No injuries · Closed · Apr 11, 1973 · N11012 · Substantial damage
- [NTSB SEA72DYA43](https://openairdocs.org/ntsb/SEA72DYA43.md): Aero Comdr 600S2R · Ontario, OR · Accident · Minor injuries · Closed · Jun 30, 1972 · N1782S · Substantial damage
- [NTSB SEA72FYI04](https://openairdocs.org/ntsb/SEA72FYI04.md): Kaman HUK-1 · Central Pt, OR · Accident · No injuries · Closed · Aug 7, 1971 · N9847 · Substantial damage
- [NTSB SEA69A0022](https://openairdocs.org/ntsb/SEA69A0022.md): N.American AT-6C · Veneta, OR · Accident · 2 fatal · Closed · Oct 2, 1968 · N5186V · Destroyed

## 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" = 'OR' 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=OR

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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.