# Accident 19750708020039A: Bell 47G3B1, Mommoth Lakes, CA, July 8, 1975

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: July 8, 1975
- Place: Mommoth Lakes, CA
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Location: 37.6244° N, 118.9884° W: Placed by OpenAirDocs: center of Mammoth Lakes, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.6244&lon=-118.9884&mi=10
- Aircraft: N1358X, a cancelled registration (https://openairdocs.org/deregistered/N1358X-2017-07-13) (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
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 3,277 total, 483 in this make and model, 217 in the last 90 days
- NTSB investigation: [NTSB OAK76DXQ05](https://openairdocs.org/ntsb/OAK76DXQ05) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19750708020039A

## Narrative

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

LOW COMP NR 2 CYL VALVE SEAT LEAK. FAULTY CARB ALT COMPENSATOR.

## 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 OAK76DXQ05](https://openairdocs.org/ntsb/OAK76DXQ05), Jul 8, 1975: Bell 47G3B1 (N1358X), Mommoth Lakes, CA, substantial damage

## Other reports on N1358X (3)

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

- [Accident 19891125046619A](https://openairdocs.org/incident/19891125046619A), Nov 25, 1989: Bell 47G3B1 (N1358X), Ewell, AL, Destroyed. Reported engine failed respond on pratice autorotation. Crash landed.
- [Accident 19780611012309A](https://openairdocs.org/incident/19780611012309A), Jun 11, 1978: Bell 47G3B1 (N1358X), Whiteriver, AZ, Substantial damage. Wnd gusting 20K
- [Accident 19750805022439A](https://openairdocs.org/incident/19750805022439A), Aug 5, 1975: Bell 47G3B1 (N1358X), Mt.Baldy, CA, Substantial damage

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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