# NTSB investigations: Bell 47D1: 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 LAX05LA022](https://openairdocs.org/ntsb/LAX05LA022.md): Bell 47D1 · San Martin, CA · Accident · No injuries · Limited investigation · Final report · Oct 31, 2004 · N903B · Substantial damage
  > A loss of power for undetermined reasons.
- [NTSB FTW91DRD05](https://openairdocs.org/ntsb/FTW91DRD05.md): Bell 47-D1 · Sun, LA · Accident · No injuries · Final report · May 26, 1991 · N339MC · Substantial damage
  > The total loss of power for undetermined reasons and the failure of the pilot to maintain rotor RPM. A factor was the lack of suitable terrain.
- [NTSB NYC89LA025](https://openairdocs.org/ntsb/NYC89LA025.md): Bell 47G · Champion, NY · Accident · Minor injuries · Limited investigation · Final report · Nov 10, 1988 · N2AR · Substantial damage
  > The pilot was unable to sustain flight due to a severe downdraft accompanied by a power loss at a low altitude.
- [NTSB MIA88LA212](https://openairdocs.org/ntsb/MIA88LA212.md): Bell 47D1 · Ruleville, MS · Accident · No injuries · Limited investigation · Final report · Jul 4, 1988 · N903B · Substantial damage
  > During an aerial application flt while spraying chemicals the plt reported that the engine quit. The pilot attempted an autorotation but was too low and slow to complete it. The aircraft landed hard in the field of crops and nosed over. Examination of the…
- [NTSB MIA87LA116](https://openairdocs.org/ntsb/MIA87LA116.md): Bell 47-D1 · Homosassa, FL · Accident · No injuries · Limited investigation · Final report · Mar 22, 1987 · N88929 · Substantial damage
  > The plt stated that just after takeoff, at about 50 ft, the eng lost power and he made a forced landing in a canal. No determination could be made as to the nature of the malfunction of the engine as described by the pilot.
- [NTSB ATL82DA150](https://openairdocs.org/ntsb/ATL82DA150.md): Bell 47D1 · Blountville, TN · Accident · No injuries · Final report · May 29, 1982 · N10065 · Substantial damage
  > The aircraft lost power at 100 feet above ground level. An autorotation was attempted to a highway. The hard landing resulted in the main rotor severing the tail.

## 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 ('1180802')
    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=1180802&occurrence=350

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