# NTSB investigations: Aerospatiale SA315B, MT

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 SEA99LA001](https://openairdocs.org/ntsb/SEA99LA001.md): Aerospatiale SA-315B · Big Sky, MT · Accident · Minor injuries · Limited investigation · Final report · Oct 5, 1998 · N5803J · Destroyed
  > The failure of the ground handlers (chokers) to follow procedures, and separation of the tail rotor system. Contributing factors were incorrect long line hook (size), jamming of the hook release, trees and gusty wind conditions.
- [NTSB DEN82DTI15](https://openairdocs.org/ntsb/DEN82DTI15.md): Aerospatiale SA 315B · White Sulphur S, MT · Accident · Serious injuries · Final report · Jun 16, 1982 · N5785V · Destroyed
  > The pilot landed beside a small building (called a dog house) which contained seismic instruments and recording equipment. He was scheduled to move the building and hooked a long line from it to the helicopter. After waiting about 45 minutes for final…
- [NTSB DEN80FA051](https://openairdocs.org/ntsb/DEN80FA051.md): Aerospatle 315B · Dell, MT · Accident · 1 fatal · Closed · Jul 28, 1980 · N67103 · 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."eventStateOrRegion" = 'MT' 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=MT

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