# NTSB investigations: Sikorsky S-55

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 LAX06LA280](https://openairdocs.org/ntsb/LAX06LA280.md): Sikorsky S-55 · Paramount, CA · Accident · No injuries · Limited investigation · Final report · Aug 26, 2006 · N111VA · Substantial damage
  > the loss of engine power for undetermined reasons. A factor was the unsuitable terrain for the landing.
- [NTSB LAX02TA267](https://openairdocs.org/ntsb/LAX02TA267.md): Sikorsky S-55T · Lytle Creek, CA · Accident · No injuries · Final report · Aug 30, 2002 · N747A · Substantial damage
  > Failure of the hydraulic system due to contamination in the hydraulic fluid, which resulted in an in-flight loss of control.
- [NTSB ATL02LA130](https://openairdocs.org/ntsb/ATL02LA130.md): Sikorsky S-55-QT · Orlando, FL · Accident · No injuries · Limited investigation · Final report · Jun 25, 2002 · N2300Z · Substantial damage
  > Failure of the cyclic lateral control rod end bearing, and subsequent dynamic rollover.
- [NTSB LAX81FA093](https://openairdocs.org/ntsb/LAX81FA093.md): Sikorsky S-55 · Beaumont, CA · Accident · 6 fatal · Closed · May 29, 1981 · N874 · Destroyed
- [NTSB FTW75DRD18](https://openairdocs.org/ntsb/FTW75DRD18.md): Sikorsky S-55 · Gulf Of Mexico (Gulf of Mexico) · Accident · No injuries · Closed · Dec 2, 1974 · N750A · Substantial damage
- [NTSB NYC72FNA14](https://openairdocs.org/ntsb/NYC72FNA14.md): Sikorsky S-55 · Acton, MA · Accident · Serious injuries · Closed · Oct 15, 1971 · N9009R · Destroyed
- [NTSB ANC67A0021](https://openairdocs.org/ntsb/ANC67A0021.md): Sikorsky S-55 · Galena, AK · Accident · No injuries · Closed · Aug 20, 1966 · N747A · Substantial damage
- [NTSB ANC66A0052](https://openairdocs.org/ntsb/ANC66A0052.md): Sikorsky S55 · Kenai, AK · Accident · No injuries · Closed · Jun 29, 1966 · N874 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8141602'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8141602

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