# NTSB investigations: Bell 47G-3B-1: Loss of engine power

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 SEA03LA189](https://openairdocs.org/ntsb/SEA03LA189.md): Bell 47G-3B-1 · Diamond, OR · Accident · Serious injuries · Limited investigation · Final report · Sep 12, 2003 · N48020 · Substantial damage
  > Loss of engine power for undetermined reasons during hover.
- [NTSB ATL03LA007](https://openairdocs.org/ntsb/ATL03LA007.md): Bell 47G3B1 · Highfalls, GA · Accident · No injuries · Limited investigation · Final report · Oct 19, 2002 · N4002G · Substantial damage
  > The pilots inadequate fuel management, and subsequent loss of engine power due to fuel exhaustion, and a in-flight collision with trees during an autorotation. A factor was the pilot's failure to insure that the required equipment (fuel gauge) was installed…
- [NTSB SEA98LA064](https://openairdocs.org/ntsb/SEA98LA064.md): Bell 47G-3B-1 · Sedro Wooley, WA · Accident · No injuries · Limited investigation · Final report · Apr 20, 1998 · N80SD · Destroyed
  > Fuel contamination and subsequent carburetor fuel flow restriction initiated by the use of an improper material (incorrect fuel hose). A factor was the trees.
- [NTSB ATL95LA115](https://openairdocs.org/ntsb/ATL95LA115.md): Bell 47G3B1 · Livingston, AL · Accident · Serious injuries · Limited investigation · Final report · Jun 20, 1995 · N101VB · Substantial damage
  > The loss of engine power for undetermined reasons.
- [NTSB SEA94LA065](https://openairdocs.org/ntsb/SEA94LA065.md): Bell 47G-3B-1 · Gold Hill, OR · Accident · Serious injuries · Limited investigation · Final report · Feb 24, 1994 · N73909 · Destroyed
  > Separation of the crossover fuel line, and the inability of the pilot in command to maintain a proper rate of descent during the autorotation.
- [NTSB NYC91DGT03](https://openairdocs.org/ntsb/NYC91DGT03.md): Bell 47-G3B1 · Hughesville, PA · Accident · Serious injuries · Final report · May 15, 1991 · N2619B · Destroyed
  > The loss of engine power for undetermined reasons and the pilot's selection of the forced landing area.
- [NTSB FTW90LA118](https://openairdocs.org/ntsb/FTW90LA118.md): Bell TH13T · Paradise, LA · Accident · No injuries · Limited investigation · Final report · Jun 19, 1990 · N115SD · Substantial damage
  > The failure of the pilot to properly execute the autorotation landing.
- [NTSB LAX87LA222](https://openairdocs.org/ntsb/LAX87LA222.md): Bell 47G-3B-1 · Payson, AZ · Accident · Serious injuries · Limited investigation · Final report · Jun 2, 1987 · N73916 · Destroyed
  > A Bell 47G-3B-1 collided with trees and was subsequently destroyed by fire after a loss of power in a remote wilderness area. The pilot reported the engine went to idle during flight. He was unable to regain engine RPM by manipulation of the throttle. The…
- [NTSB LAX83FA366](https://openairdocs.org/ntsb/LAX83FA366.md): Bell 47G-3B-1 · S. Lake Tahoe, CA · Accident · Serious injuries · Field investigation · Final report · Jul 31, 1983 · N11102 · Destroyed
  > During takeoff over descending terrain in a mountainous area, the RPM began decaying when the helicopter had accelerated to 40 KTS & was about 75 ft AGL. The plt applied more throttle & increased the collective, then noted that the manifold pressure was…

## 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" = 350))
ORDER BY c."eventDate" DESC, c."ntsbNumber" DESC
```

This list as a web page: https://openairdocs.org/ntsb?model=1181028&occurrence=350

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