# NTSB investigations: Pratt & Whitney W-S1H&S3H: 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 CHI07CA142](https://openairdocs.org/ntsb/CHI07CA142.md): Canadian Car & Foundry Harvard MK IV · Peachtree City, GA · Accident · No injuries · Data collection · Final report · May 10, 2007 · N7757 · Substantial damage
  > The pilot's failure to maintain directional control during the landing roll, resulting in a ground loop and subsequent left main gear collapse.
- [NTSB SEA95LA091](https://openairdocs.org/ntsb/SEA95LA091.md): North American SNJ-4 · Prospect, OR · Accident · No injuries · Limited investigation · Final report · Apr 4, 1995 · N2269N · Substantial damage
  > The pilot's failure to maintain directional control of the airplane during landing. Contributing to the accident was wet grass.

## 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 ('52012')
    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=52012&occurrence=260

---
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.