# Accident 19790225003659A: Hiller UH12C, Brentwood, CA, February 25, 1979

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: February 25, 1979, 12:30 local time
- Place: Brentwood, CA
- Damage: Substantial damage
- Phase of flight: Low Level Operations
- Operating rules: Agricultural (Part 137)
- Location: 37.9356° N, 121.7190° W: Placed by OpenAirDocs: center of Brentwood, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=37.9356&lon=-121.7190&mi=10
- Aircraft: N94731, a cancelled registration (https://openairdocs.org/deregistered/N94731-2007-07-17) (OpenAirDocs)
- Registry model: Hiller UH-12B (registry code 4360110, https://openairdocs.org/model/hiller-uh-12b) (OpenAirDocs)
- Registry engine: Franklin 6VS-335 series (registry code 27040, https://openairdocs.org/engine/franklin-6vs-335-series) (OpenAirDocs)
- Reported make and model: HILLER UH12C
- Reported engine: FRNKLN 6V335B
- Fatal injuries: 0
- Pilot flight hours: 1,305 total, 1,305 in this make and model, 75 in the last 90 days
- NTSB investigation: [NTSB OAK79FVD11](https://openairdocs.org/ntsb/OAK79FVD11) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19790225003659A

## Narrative

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

FORCED LDG DUE TO ENGINE FAILURE. INSPECTION REVEALED HEAVY LEAD DEPOSITS ON SPAK PLUGS.

## 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 OAK79FVD11](https://openairdocs.org/ntsb/OAK79FVD11), Feb 25, 1979: Hiller UH-12B (N94731), Brentwood, CA, substantial damage

## Other reports on N94731 (1)

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

- [Accident 19801225083009A](https://openairdocs.org/incident/19801225083009A), Dec 25, 1980: Hiller UH12B (N94731), Rialto, CA, Substantial damage. Engine quit, rolled over on emergency landing. Found fuel level low, below fuel line pickup.

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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