# Accident 19771220038559A: Bell 47G3B1, Billings, MT, December 20, 1977

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: December 20, 1977
- Place: Billings, MT
- Damage: Destroyed
- Phase of flight: Fcd/Prec Ldg From Cruise
- Location: 45.7833° N, 108.5007° W: Placed by OpenAirDocs: center of Billings, MT, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=45.7833&lon=-108.5007&mi=10
- Aircraft: N7860S, registered now (https://openairdocs.org/aircraft/N7860S) (OpenAirDocs)
- Registry model: Bell 47G-3B-1 (registry code 1181028, https://openairdocs.org/model/bell-47g-3b-1) (OpenAirDocs)
- Registry engine: Allison 250 series (registry code 03019, https://openairdocs.org/engine/allison-250-series) (OpenAirDocs)
- Reported make and model: BELL 47G3B1
- Fatal injuries: 0
- Pilot flight hours: 17,500 total, 0 in this make and model, 260 in the last 90 days
- NTSB investigation: [NTSB SEA78FTA08](https://openairdocs.org/ntsb/SEA78FTA08) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19771220038559A

## Narrative

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

ATTMTD AUTOROTATION DUE LOUD NOISE. COLLECTIVE WAS INOP. WRONG TRANSMISSION INSTALLED.

## 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 SEA78FTA08](https://openairdocs.org/ntsb/SEA78FTA08), Dec 20, 1977: Bell 47G3B1 (N7860S), Billings, MT, destroyed

## Other reports on N7860S (1)

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

- [Accident 20100925046309A](https://openairdocs.org/incident/20100925046309A), Sep 25, 2010: Bell 47G-3B-1 (N7860S), Gaston, OR, Substantial damage. The pilot stated "I was in the process of landing N8760S on the trailer used for over the road transportation of the helicopter. I placed the landing skids on…

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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