# NTSB investigations: Sikorsky S-58ET

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 WPR19LA255](https://openairdocs.org/ntsb/WPR19LA255.md): Sikorsky S58 · Azusa, CA · Accident · No injuries · Class 3 · Limited · Final report · Sep 11, 2019 · N1168U · Substantial damage
  > The in-flight separation of a section of the tail rotor blade due to a fatigue crack, which resulted in the pilot’s forced autorotation into a field.
- [NTSB WPR11FA163](https://openairdocs.org/ntsb/WPR11FA163.md): Sikorsky S-58ET · El Segundo, CA · Accident · Serious injuries · Field investigation · Final report · Mar 13, 2011 · N33602 · Substantial damage
  > A partial loss of engine power and the failure of the external hook to release the load for undetermined reasons.
- [NTSB LAX03FA232](https://openairdocs.org/ntsb/LAX03FA232.md): Sikorsky S-58ET · Rancho P.Verdes, CA · Accident · Serious injuries · Field investigation · Final report · Jul 12, 2003 · N15AH · Destroyed
  > A total loss of antitorque control, due to the fatigue-induced failure of a gear within the drive shaft's intermediate gear box (IGB). Contributing factors were the pilot's improper on-ground decision to continue flight operations following discovery of…
- [NTSB CHI02FA189](https://openairdocs.org/ntsb/CHI02FA189.md): Sikorsky S-58ET · Brookville, IN · Accident · 1 fatal · Field investigation · Final report · Jul 10, 2002 · N580US · Substantial damage
  > The pilot's intentional low altitude fight and his failure to maintain clearance from power transmission lines. Factors to the accident were the power transmission lines followed by the inability to control the aircraft after the collision with power…
- [NTSB LAX94FA106](https://openairdocs.org/ntsb/LAX94FA106.md): Sikorsky S-58 · San Jose, CA · Accident · 1 fatal · Field investigation · Final report · Jan 28, 1994 · N4995G · Destroyed
  > The pilot's inadequate preflight planning/preparation and subsequent fuel starvation, due to an inadequate supply of fuel. A factor related to the accident was: the proximity of high obstructions.
- [NTSB LAX89FA160](https://openairdocs.org/ntsb/LAX89FA160.md): Sikorsky S-58ET · Santa Ana, CA · Accident · Minor injuries · Field investigation · Final report · Apr 15, 1989 · N1168U · Substantial damage
  > Failure of the landing gear resulting from excessive loading during ground operations, and fatigue cracking.
- [NTSB MIA85FA153](https://openairdocs.org/ntsb/MIA85FA153.md): Sikorsky S-58ET · Gulf Of Mexico · Accident · 3 fatal · Field investigation · Final report · Apr 20, 1985 · N65526 · Destroyed
  > The helicopter disappeared while on an overwater flt from key west, FL to ft peirce, FL. One occupant & the wreckage of the helicopter were subsequently recovered from the Gulf Of Mexico. The plt & the other occupant were not located & were presumed dead.…
- [NTSB DEN79FA001](https://openairdocs.org/ntsb/DEN79FA001.md): Sikorsky S58ET · Steamboat Spgs, CO · Accident · 1 fatal · Closed · Oct 1, 1978 · N47783 · 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8141803'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8141803

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