# NTSB investigations: Bell 47G3B2A, UT

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 DEN99LA168](https://openairdocs.org/ntsb/DEN99LA168.md): Bell 47G3B2A · Tremonton, UT · Accident · No injuries · Limited investigation · Final report · Sep 23, 1999 · N83246 · Substantial damage
  > The pilot's failure to maintain rotor rpm while attempting a precautionary autorotation landing. A factor was the loss of engine power for undetermined reasons.
- [NTSB DEN87LA120](https://openairdocs.org/ntsb/DEN87LA120.md): Bell 47G3B2A · Brigham City, UT · Accident · No injuries · Limited investigation · Final report · May 8, 1987 · N58131 · Substantial damage
  > An ag plt was ferrying a helicopter to another job in his local area. The plt, an ATP, had estimated that the helicopter had enough fuel for the flt. The helicopter's engine quit and an autorotation was performed, resulting in a hard landing. Less than one…

## 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" = 'UT' 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 ('1181025'))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181025&state=UT

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