# NTSB investigations: Sikorsky S-61A

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 WPR15LA248](https://openairdocs.org/ntsb/WPR15LA248.md): Sikorsky S 61A · Ironside, OR · Accident · Minor injuries · Limited investigation · Final report · Aug 20, 2015 · N1043T · Substantial damage
  > A loss of power to the No. 2 engine due to the failure of the accessory gearbox drivetrain. Also causal was the pilot’s inability to release the external longline due to the use of a safety wire across the coupling of the quick-disconnect mechanism, which…
- [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 NYC03LA037](https://openairdocs.org/ntsb/NYC03LA037.md): Sikorsky S-61A · Glady, WV · Accident · Serious injuries · Limited investigation · Final report · Jan 12, 2003 · N8170V · Substantial damage
  > The improper installation of the left tailrotor control cable by company maintenance personnel.
- [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 ANC01LA109](https://openairdocs.org/ntsb/ANC01LA109.md): Sikorsky S61A · Wrangell, AK · Accident · No injuries · Limited investigation · Final report · Aug 11, 2001 · N5193Y · Substantial damage
  > The separation of a steel long line cable that failed and rebounded from a load of logs into the helicopter's main and tail rotors.
- [NTSB LAX00LA193](https://openairdocs.org/ntsb/LAX00LA193.md): Sikorsky S61A · Eureka, CA · Accident · Minor injuries · Limited investigation · Final report · May 11, 2000 · N693CC · Substantial damage
  > the loss of power in all engines due to the pilot's inadequate in-flight decision to continue flight with fuel level below the landing minimums specified in the flight manual, which resulted in the unporting of the fuel supply line and fuel starvation. A…
- [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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('814210C'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=814210C

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