# Fatal NTSB investigations: GE CT58 series

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 ATL03FA065](https://openairdocs.org/ntsb/ATL03FA065.md): Sikorsky S-61A · Kimble, TN · Accident · 1 fatal · Field investigation · Final report · Mar 23, 2003 · N81664 · Destroyed
  > The interruption of rotor system drive power due to the input free wheeling unit malfunctioning, and the pilot's operation of the helicopter in the critical area of the height-velocity curve.
- [NTSB LAX02FA116](https://openairdocs.org/ntsb/LAX02FA116.md): Sikorsky S-61A · Lakehead, CA · Accident · 1 fatal · Field investigation · Final report · Mar 26, 2002 · N318Y · Destroyed
  > A loss of engine power for undetermined reasons, and the flight crew's failure to maintain rotor rpm following a loss of engine power while maneuvering.
- [NTSB SEA01MA163](https://openairdocs.org/ntsb/SEA01MA163.md): Kawasaki KV-107-II · Emigrant, MT · Accident · 3 fatal · Major investigation · Final report · Aug 31, 2001 · N186CH · Destroyed
  > The loss of control during cruise/climb flight for undetermined reasons.
- [NTSB SEA97FA001](https://openairdocs.org/ntsb/SEA97FA001.md): Boeing Vertol BV-107 II · Canby, OR · Accident · 3 fatal · Field investigation · Final report · Oct 4, 1996 · N196CH · Destroyed
  > failure of maintenance personnel to install a cotter pin in a clevis bolt in the flight control system, which resulted in the aft directional and lateral control output pushrod to become disconnected from a bellcrank in the forward portion of the first stage…
- [NTSB SEA73FYG21](https://openairdocs.org/ntsb/SEA73FYG21.md): Sikorsky S-61A · Chelan, WA · Accident · 2 fatal · Closed · Dec 14, 1972 · N318Y · 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."highestInjuryLevel" = 'Fatal'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.engine_model_code IN ('30011'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?engine=30011&fatal=1

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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.