# NTSB investigations: Bell 47G-3B-1: Loss of engine power(total) - nonmechanical

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 FTW99TA194](https://openairdocs.org/ntsb/FTW99TA194.md): Bell 47G-3B-1 · Sour Lake, TX · Accident · No injuries · Final report · Jul 17, 1999 · N4002G · Substantial damage
  > The pilot's failure to adequately preflight the helicopter's fuel system resulting in the total loss of engine power as a result of water contamination. Factors were the incorrect filter installed on the fueling truck and the pilot's improper touchdown…
- [NTSB LAX97TA213](https://openairdocs.org/ntsb/LAX97TA213.md): Bell 47G-3B-1 · Fallon, NV · Accident · No injuries · Final report · Jun 16, 1997 · N1335X · Substantial damage
  > exhaustion of the aircraft's fuel supply, due to improper planning and/or decision. A factor related to the accident was the high density altitude which made a successful autorotative landing unlikely.
- [NTSB ATL94LA014](https://openairdocs.org/ntsb/ATL94LA014.md): Bell 47G-3B-1 Soloy · Atmore, AL · Accident · No injuries · Limited investigation · Final report · Nov 12, 1993 · N3078G · Substantial damage
  > The pilot's inadequate pre-flight inspection. Factors were the lack of a filter on the refueling pump which would preclude water passage, and the high trees.
- [NTSB CHI93LA268](https://openairdocs.org/ntsb/CHI93LA268.md): Bell 47G-3B-1 · Elderon, WI · Accident · No injuries · Limited investigation · Final report · Jul 22, 1993 · N9010C · Substantial damage
  > The pilot's failure to refuel the helicopter.
- [NTSB MIA93LA014](https://openairdocs.org/ntsb/MIA93LA014.md): Bell 47-G3-B1 · Palm Beach, FL · Accident · Minor injuries · Limited investigation · Final report · Nov 4, 1992 · N94720 · Substantial damage
  > The pilot's inadequate preflight planning. A factor was the pilot's failure to maintain rotor RPM during the autorotation.
- [NTSB SEA91FA142](https://openairdocs.org/ntsb/SEA91FA142.md): Bell 47G-3B1 · Goldendale, WA · Accident · 1 fatal · Field investigation · Final report · Jun 26, 1991 · N7859S · Substantial damage
  > The pilot's misjudgement of fuel supply.
- [NTSB CHI90DER03](https://openairdocs.org/ntsb/CHI90DER03.md): Bell 47G3B1 · Coon Rapids, MN · Accident · No injuries · Final report · Jul 31, 1990 · N4990H · Substantial damage
  > The pilot-in-command's inaccurate fuel consumption calculations and misjudgement of his fuel supply.
- [NTSB CHI84LA401](https://openairdocs.org/ntsb/CHI84LA401.md): Bell 47G-3B1 · Miss.Pal.St.Pk, IL · Accident · No injuries · Limited investigation · Final report · Sep 23, 1984 · N90543 · Destroyed
  > The helicopter experienced a total loss of power aprx 2 minutes after takeoff. The plt performed an autorotation into trees as no suitable landing area was available. The 2 passengers on board stated the plt did not visually check the fuel quantity before…
- [NTSB DEN83LA154](https://openairdocs.org/ntsb/DEN83LA154.md): Bell 47G-3B-1 Soloy · Townsend, MT · Accident · No injuries · Limited investigation · Final report · Jun 30, 1983 · N1334X · Substantial damage
  > The helicopter made a hard touchdown during an autorotative forced landing after the engine quit. During the landing themain rotor severed the tail boom. The pilot stretched the autorotational glide to reach a hay field and lost main rotor RPM in the process.…
- [NTSB DEN83LA132](https://openairdocs.org/ntsb/DEN83LA132.md): Bell 47G3-B1 · Devils Tower, WY · Accident · No injuries · Limited investigation · Final report · Jun 1, 1983 · N80711 · Substantial damage
  > The acft crash landed in trees after the engine lost power. The helicopter was being used in aerial application at the time of the accident. The operation was being done in 8 minute segments. Every 8 minutes the helicopter landed for a reload of herbicide. At…

## 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."mKey" IN (SELECT x.case_mkey FROM 'https://openairdocs.org/data/latest/ntsb_aircrafts.parquet' x WHERE x.aircraft_model_code IN ('1181028', '118103A')
    AND EXISTS (SELECT 1 FROM 'https://openairdocs.org/data/latest/ntsb_occurrences.parquet' o WHERE o.case_mkey = x.case_mkey AND o.aircrafts_position = x.position AND o."occurrenceNumber" = 1 AND o."occurrenceCode" = 353))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181028&occurrence=353

---
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.
