# Accident 19750824027269A: Bell 47G3B1, Denver, CO, August 24, 1975

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: August 24, 1975
- Place: Denver, CO
- Airport: Sky Ranch
- Damage: Substantial damage
- Phase of flight: Sfl Autorotation
- Location: 39.7392° N, 104.9847° W: Placed by OpenAirDocs: center of Denver, CO, within about 7 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.7392&lon=-104.9847&mi=10
- Aircraft: N90769, a cancelled registration (https://openairdocs.org/deregistered/N90769-2013-07-09) (OpenAirDocs)
- Registry model: Bell 47G-3B-1 (registry code 1181028, https://openairdocs.org/model/bell-47g-3b-1) (OpenAirDocs)
- Registry engine: Lycoming TVO-435-GIA (registry code 41526, https://openairdocs.org/engine/lycoming-tvo-435-gia) (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Fatal injuries: 0
- Pilot flight hours: 1,692 total, 106 in this make and model, 138 in the last 90 days
- NTSB investigation: [NTSB DEN76FTE18](https://openairdocs.org/ntsb/DEN76FTE18) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19750824027269A

## Narrative

As the FAA filed it, in capitals; the FAA replaces private details with ^PRIVACY DATA OMITTED^.

ENGINE STOPPED PURING AUTOROTATION,REASON UNKNOWN.ENG OPERATION NORMAL AFTER ACCIDENT.

## The NTSB's investigation of this event (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN76FTE18](https://openairdocs.org/ntsb/DEN76FTE18), Aug 24, 1975: Bell 47G3B1 (N90769), Denver, CO, substantial damage

## Other reports on N90769 (2)

Matched to the same aircraft by N-number and date.

- [Accident 19840130002939A](https://openairdocs.org/incident/19840130002939A), Jan 30, 1984: Bell 47G3B1 (N90769), Ogden, UT, Substantial damage. Encountered dense fog slowed to a hover lost ground reference. Backed up into rocks and rolled over.
- [Accident 19780820023649A](https://openairdocs.org/incident/19780820023649A), Aug 20, 1978: Bell 47G3B1 (N90769), Billings, MT, Substantial damage. T/r hit fence post in tall grass.

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model. For accidents, the NTSB's own investigation is the fuller record.

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