# NTSB investigations: Bell 47G-3B-2, CA

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 WPR11LA379](https://openairdocs.org/ntsb/WPR11LA379.md): Bell 47G-3B-2 · Los Banos, CA · Accident · No injuries · Limited investigation · Final report · Aug 14, 2011 · N475AL · Substantial damage
  > The pilot’s inadequate preflight, and contamination of both the engine compressor section and the main rotor blades, which resulted in reduced performance of the engine and rotor system.
- [NTSB LAX91LA390](https://openairdocs.org/ntsb/LAX91LA390.md): Bell 47G-3B-2 · Chula Vista, CA · Accident · Minor injuries · Limited investigation · Final report · Sep 10, 1991 · N2618D · Substantial damage
  > The pilot's failure to maintain the proper airspeed and misjudging the landing flare altitude. The powerplant failure for an undetermined reason and the unsuitable terrain for the float equipped helicopter were factors in the accident.
- [NTSB LAX89DVA03](https://openairdocs.org/ntsb/LAX89DVA03.md): Bell 47G-3B2 · Strathmore, CA · Accident · Serious injuries · Final report · Feb 1, 1989 · N2918W · Destroyed
  > Improper compensation for wind conditions by the pilot, and his failure to maintain clearance from the service truck. Factors relating to the accident were: the unfavorable (variable) and gusty wind conditions and close proximity of the service vehicle.
- [NTSB LAX76AL028](https://openairdocs.org/ntsb/LAX76AL028.md): Bell 47G3B2 · Ventura, CA · Accident · 1 fatal · Closed · Oct 25, 1975 · N7977J · Destroyed
- [NTSB LAX75FVA66](https://openairdocs.org/ntsb/LAX75FVA66.md): Bell 47G3B2 · Bakersfied, CA · Accident · Serious injuries · Closed · May 23, 1975 · N2906W · Destroyed
- [NTSB LAX75FUQ14](https://openairdocs.org/ntsb/LAX75FUQ14.md): Bell 47G3B2 · Camarillo, CA · Accident · Serious injuries · Closed · Oct 18, 1974 · N4079G · Destroyed
- [NTSB OAK74DVG10](https://openairdocs.org/ntsb/OAK74DVG10.md): Bell 47G-3B · Happy Camp, CA · Accident · No injuries · Closed · Aug 20, 1973 · N7958J · Substantial damage
- [NTSB LAX72FUQ85](https://openairdocs.org/ntsb/LAX72FUQ85.md): Bell 47G-3B · La Canada, CA · Accident · Minor injuries · Closed · May 9, 1972 · N7959J · Destroyed
- [NTSB LAX71FUQ89](https://openairdocs.org/ntsb/LAX71FUQ89.md): Bell 47G3B1 · Pacoima, CA · Accident · No injuries · Closed · Jun 7, 1971 · N1133W · 2 aircraft · Substantial damage
- [NTSB LAX70FUG52](https://openairdocs.org/ntsb/LAX70FUG52.md): Bell 47G3B2 · Wrightwood, CA · Accident · No injuries · Closed · Jun 24, 1970 · N2219W · 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" = 'CA' 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=CA

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.