# NTSB investigations: Aerospatiale SA315B, WY

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 DEN01LA125](https://openairdocs.org/ntsb/DEN01LA125.md): Aerospatiale SA315B · Cody, WY · Accident · Minor injuries · Limited investigation · Final report · Jul 17, 2001 · N2128Z · Substantial damage
  > the failure of the turbine assembly due to an over temperature condition. A contributing factor was the lack of suitable terrain for a forced landing.
- [NTSB DEN88FA151](https://openairdocs.org/ntsb/DEN88FA151.md): Aerospatiale SA-315B · Dubois, WY · Accident · Serious injuries · Field investigation · Final report · Jul 10, 1988 · N47274 · Substantial damage
- [NTSB DEN84LA292](https://openairdocs.org/ntsb/DEN84LA292.md): Aerospatiale SA315B Lama · Mountain View, WY · Accident · No injuries · Limited investigation · Final report · Sep 17, 1984 · N49532 · Substantial damage
  > The helicopter experienced a loss of power during an external load operation. The plt released the load and performed an autorotation. A hard landing resulted during which the tail boom was severed by the main rotor blades. Metallurgical examination of the…
- [NTSB DEN84LA286](https://openairdocs.org/ntsb/DEN84LA286.md): Aerospatiale SA315B · Lyman, WY · Accident · Minor injuries · Limited investigation · Final report · Sep 7, 1984 · N62338 · Substantial damage
  > The plt stated that engine RPM began deteriorating during a climb to cruise flt. He returned to the landing site where the RPM decayed to flt idle, an autorotation was entered and a hard landing resulted. The engine ran for 1 hour in a test cell after the…
- [NTSB DEN82DA159](https://openairdocs.org/ntsb/DEN82DA159.md): Aerospatiale SA-315B · Afton, WY · Accident · No injuries · Final report · Aug 9, 1982 · N10067 · Destroyed
  > En route during a seismic operation a loud screeching, grinding sound was heard. The pilot reported the aircraft seemed to buck. A long flame emitting from the aft end of the aircraft was observed by witnesses. The engine ceased and the aircraft crashed into…
- [NTSB DEN82DA126](https://openairdocs.org/ntsb/DEN82DA126.md): Aerospatiale SA 315B · Big Piney, WY · Accident · No injuries · Final report · Jul 2, 1982 · N49532 · Substantial damage
  > The pilot stated that he felt a shudder while he was taking off with a long line attached. He began a descent, and when the helicopter was about 5 ft above the ground, the long line caught a tree. Subsequently, the helicopter pitched nose down and the rotor…
- [NTSB DEN82FTC03](https://openairdocs.org/ntsb/DEN82FTC03.md): Aerospatiale SA315B · Big Piney, WY · Accident · Serious injuries · Final report · Apr 20, 1982 · N9007N · Destroyed
  > The acft was engaged in seismic activity supplying explosives by long line. The eng failed at about 400-500 ft AGL. The load was released & an open field was selected. At about 150 ft AGL the plt was unable to maintain rotor RPM & the acft impacted the ground…
- [NTSB DEN82DA088](https://openairdocs.org/ntsb/DEN82DA088.md): Aerospatiale SA315B · Thayne, WY · Accident · Minor injuries · Final report · Apr 15, 1982 · N48089 · Substantial damage
  > The helicopter was hovering to pick up a sling load when a loud bang was heard and the aircraft began to spin counter clockwise. Investigation revealed that the tail rotor drive shaft had broken. "Examination of the shaft break disclosed a small fracture…
- [NTSB DEN80FA052](https://openairdocs.org/ntsb/DEN80FA052.md): Aerospatial SA315 · Meeteetse, WY · Accident · 2 fatal · Closed · Aug 1, 1980 · N47294 · Destroyed
- [NTSB DEN80FA038](https://openairdocs.org/ntsb/DEN80FA038.md): Alouette SA315B · Jackson, WY · Accident · No injuries · Closed · Jun 11, 1980 · N10067 · Substantial damage
- [NTSB DEN77FTC15](https://openairdocs.org/ntsb/DEN77FTC15.md): Aerospatial SA315B · Jackson, WY · Accident · Serious injuries · Closed · Jun 22, 1977 · N62345 · 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."eventStateOrRegion" = 'WY' AND c."eventCountry" = 'USA'
  AND c."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('8680615'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=8680615&state=WY

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