# NTSB investigations: Sikorsky S-58JT

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 GAA20CA063](https://openairdocs.org/ntsb/GAA20CA063.md): Sikorsky S 58JT · Lebanon, IN · Accident · Minor injuries · Data collection · Final report · Nov 10, 2019 · N827MW · Substantial damage
  > The pilot's failure to maintain proper clearance from a tractor trailer during landing.
- [NTSB ERA12LA493](https://openairdocs.org/ntsb/ERA12LA493.md): Sikorsky S-58JT · Middletown, DE · Accident · No injuries · Limited investigation · Final report · Aug 1, 2012 · N126GW · Substantial damage
  > The pilot's failure to recognize that the helicopter was experiencing tail rotor dynamic instability and to take immediate corrective actions during an external load lift, which resulted in the failure of a tail rotor blade.
- [NTSB SEA95LA051](https://openairdocs.org/ntsb/SEA95LA051.md): Sikorsky S-58JT · Marblemount, WA · Accident · Serious injuries · Limited investigation · Final report · Feb 13, 1995 · N1099T · Substantial damage
  > Fatigue failure of the main rotor driveshaft.
- [NTSB CHI92TL#02](https://openairdocs.org/ntsb/CHI92TL%2302.md): Sikorsky S-58ET · North Platte, NE · Accident · No injuries · Class 3 · Final report · Aug 27, 1992 · N58ET · Substantial damage
- [NTSB SEA82DA047](https://openairdocs.org/ntsb/SEA82DA047.md): Sikorsky S-58J · Siletz, OR · Accident · No injuries · Final report · Apr 6, 1982 · N47246 · Destroyed
  > After lift-off with a 3000 pound external sling load, a "pop" was heard followed by low-level vibration. Rotor RPM decayed and an autorotation was effected to a forced landing in a revine. Postcrash inspection revealed a failure of the engine drive "short…
- [NTSB CHI80FEE17](https://openairdocs.org/ntsb/CHI80FEE17.md): Sikorsky S-58 · Chicago, IL · Accident · No injuries · Closed · Mar 2, 1980 · N4388S · Destroyed
- [NTSB ANC75AA009](https://openairdocs.org/ntsb/ANC75AA009.md): Sikorski S58ST · Umiat, AK · Accident · Serious injuries · Closed · Aug 4, 1974 · N47246 · 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 ('8141807', '8141838'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8141807

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