# NTSB investigations: Pratt & Whitney R1340 series, WA: Loss of control - on ground/water

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 SEA04CA059](https://openairdocs.org/ntsb/SEA04CA059.md): Rockwell S-2R · Mattawa, WA · Accident · No injuries · Data collection · Final report · Mar 26, 2004 · N8420V · Substantial damage
  > Compensation for wind conditions not maintained. Factors include a tailwind and a rock pile adjacent to the runway.
- [NTSB SEA02LA166](https://openairdocs.org/ntsb/SEA02LA166.md): Aero Commander S2R Thrush · Connell, WA · Accident · No injuries · Limited investigation · Final report · Aug 21, 2002 · N8870Q · Substantial damage
  > The pilot's failure to adequately compensate for wind conditions and his failure to maintain directional control. Factors include rough uneven terrain.
- [NTSB SEA99LA074](https://openairdocs.org/ntsb/SEA99LA074.md): Grumman-Schweizer G-164A · Prescott, WA · Accident · No injuries · Limited investigation · Final report · May 27, 1999 · N9970 · Substantial damage
  > The pilot-in-command's failure to maintain directional control during the takeoff roll and overloading of the right landing gear strut. Contributing factors were the soft takeoff surface, confined (narrow) takeoff surface, and high vegetation.
- [NTSB SEA96LA200](https://openairdocs.org/ntsb/SEA96LA200.md): Grumman-Schweizer G-164B · Waitsburg, WA · Accident · Minor injuries · Limited investigation · Final report · Aug 22, 1996 · N7501Q · Substantial damage
  > the pilot's inadequate compensation for wind conditions and failure to maintain control of the airplane after encountering a whirlwind during the landing.
- [NTSB SEA94LA131](https://openairdocs.org/ntsb/SEA94LA131.md): Rockwell S-2R · Touchet, WA · Accident · Minor injuries · Limited investigation · Final report · May 28, 1994 · N5642X · Substantial damage
  > The pilot's inadequate compensation for wind conditions. The wind gusts were a factor.

## 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" = 'WA' 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')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 260))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=52016&occurrence=260&state=WA

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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.