# Accident 19780620027249A: Hiller UH12C, Mentor, OH, June 20, 1978

- Type: FAA accident report (Accident/Incident Data System), as reported
- Date: June 20, 1978
- Place: Mentor, OH
- Damage: Substantial damage
- Phase of flight: Forced/Precautionary Landing
- Location: 41.6902° N, 81.3359° W: Placed by OpenAirDocs: center of Mentor, OH, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=41.6902&lon=-81.3359&mi=10
- Aircraft: N86688, a cancelled registration (https://openairdocs.org/deregistered/N86688-1981-10-15) (OpenAirDocs)
- Registry model: Hiller UH-12L4 (registry code 4360128, https://openairdocs.org/model/hiller-uh-12l4) (OpenAirDocs)
- Reported make and model: HILLER UH12C
- Fatal injuries: 0
- Pilot flight hours: 4,239 total, 68 in this make and model, 167 in the last 90 days
- NTSB investigation: [NTSB CHI78FEI21](https://openairdocs.org/ntsb/CHI78FEI21) (OpenAirDocs)
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780620027249A

## Narrative

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

ROTOR RPM GAGE FAILED AT 300FT AGL.

## 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 CHI78FEI21](https://openairdocs.org/ntsb/CHI78FEI21), Jun 20, 1978: Hiller UH12L4 (N86688), Mentor, OH, 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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