# Incident 19870416029399I: Hiller UH12C, Ukiah, CA, April 16, 1987

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: April 16, 1987, 14:30 local time
- Place: Ukiah, CA
- Phase of flight: Pwr Off Run Land (Autorotation
- Operating rules: General operating rules (Part 91)
- Location: 39.1448° N, 123.2123° W: Placed by OpenAirDocs: center of Ukiah, CA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=39.1448&lon=-123.2123&mi=10
- Aircraft: N26186, a cancelled registration (https://openairdocs.org/deregistered/N26186-2019-01-14) (OpenAirDocs)
- Registry model: Hiller-Nunes UH-12C (registry code 4360113, https://openairdocs.org/model/hiller-nunes-uh-12c) (OpenAirDocs)
- Registry engine: Franklin 6A&6V335 series (registry code 27020, https://openairdocs.org/engine/franklin-6a-6v335-series) (OpenAirDocs)
- Reported make and model: HILLER UH12C
- Reported engine: FRNKLN 6V4200*
- People aboard: 3
- Fatal injuries: 0
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19870416029399I

## Narrative

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

LOSS OF OIL PRESSURE BEFORE FORCED LANDING.  FOUND OIL LINE WAS OFF THE FITTING TO THE OIL PUMP.

## Other reports on N26186 (1)

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

- [Accident 19860702029759A](https://openairdocs.org/incident/19860702029759A), Jul 2, 1986: Hiller UH12C (N26186), Garberville, CA, Substantial damage. The helicopter landed when rotor RPM decayed. Main rotor centrifugal clutch was oil soaked due to a leaking seal.

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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