# NTSB investigations: Bell 47G-3B-2, 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 DEN88LA135](https://openairdocs.org/ntsb/DEN88LA135.md): Bell 47G · Terry, MT · Accident · Serious injuries · Limited investigation · Final report · Jun 25, 1988 · N2243W · Substantial damage
  > The aircraft was on a ferry flight from alpine, WY. To belfield, ND. The plt departed alpine at approximately 0950 and made several enroute stops to refuel. The plt intended to land at miles city, MT to refuel but he got lost and flew to Terry, MT, located 38…
- [NTSB DEN83LA046](https://openairdocs.org/ntsb/DEN83LA046.md): Bell 47G-3B-2 (Soloy) · Great Falls, MT · Accident · No injuries · Limited investigation · Final report · Jan 6, 1983 · N7039J · Destroyed
  > While maneuvering at low altitude in search of animals, the pilot experienced a severe vibration through the flight controls. The helicopter began an uncontrolled descent and attempts to stop the descent by using the collective were unsuccessful. The…
- [NTSB SEA77FTI19](https://openairdocs.org/ntsb/SEA77FTI19.md): Bell 47G3B2 · Missoula, MT · Accident · No injuries · Closed · Sep 1, 1977 · N7937J · 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 ('1181029', '1181036'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181029&state=MT

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