# Accident 19770617031139A: Hiller UH12C, Mt Vernon, WA, June 17, 1977

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 17, 1977
- Place: Mt Vernon, WA
- Damage: Substantial damage
- Phase of flight: Fcd/Prec Ldg From Cruise
- Location: 48.4171° N, 122.3118° W: Placed by OpenAirDocs: center of Mount Vernon, WA, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=48.4171&lon=-122.3118&mi=10
- Aircraft: N5330V, registered now (https://openairdocs.org/aircraft/N5330V) (OpenAirDocs)
- Registry model: Hiller UH-12C (registry code 4360116, https://openairdocs.org/model/hiller-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
- Fatal injuries: 0
- Pilot flight hours: 420 total, 20 in this make and model, 10 in the last 90 days
- NTSB investigation: [NTSB SEA77FYE24](https://openairdocs.org/ntsb/SEA77FYE24) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19770617031139A

## Narrative

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

L MAG-P LEAD GNDD. R MAG-OIL LKG PAST SEAL INTO BRKR ASSY. DNWIND AUTOROTATION.

## 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 SEA77FYE24](https://openairdocs.org/ntsb/SEA77FYE24), Jun 17, 1977: Hiller Acft 12C (N5330V), Mt Vernon, WA, destroyed

## Other reports on N5330V (1)

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

- [Accident 19730914030259A](https://openairdocs.org/incident/19730914030259A), Sep 14, 1973: Hiller UH12C (N5330V), Brentwood, CA, Substantial damage. Eng fail too low to affect recovery.

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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