# Incident 19780817037899I: Enstrm F28C, Honolulu, HI, August 17, 1978

- Type: FAA incident report (Accident/Incident Data System), as reported
- Date: August 17, 1978, 11:00 local time
- Place: Honolulu, HI
- Damage: Minor damage
- Phase of flight: Normal Cruise
- Operating rules: General operating rules (Part 91)
- Location: 21.3069° N, 157.8583° W: Placed by OpenAirDocs: center of Honolulu, HI, within about 6 miles (OpenAirDocs)
- Nearby events: https://openairdocs.org/map.md?lat=21.3069&lon=-157.8583&mi=10
- Aircraft: N623H, a cancelled registration (https://openairdocs.org/deregistered/N623H-2012-10-04) (OpenAirDocs)
- Registry model: Enstrom F-28C (registry code 3300407, https://openairdocs.org/model/enstrom-f-28c) (OpenAirDocs)
- Registry engine: Lycoming HIO-360 series (registry code 41524, https://openairdocs.org/engine/lycoming-hio-360-series) (OpenAirDocs)
- Reported make and model: ENSTRM F28C
- Reported engine: LYC HIO360E1AD
- People aboard: 2
- Fatal injuries: 0
- Pilot flight hours: 4,000 total, 1,000 in this make and model, 0 in the last 90 days
- FAA source: FAA Aviation Safety Information Portal (https://asip.faa.gov/)
- Page: https://openairdocs.org/incident/19780817037899I

## Narrative

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

FORCED LANDING AFTER SEVERE VIBRATION. FOUND RAG IN IDLER PULLEY.

## Other reports on N623H (2)

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

- [Accident 19790328008949A](https://openairdocs.org/incident/19790328008949A), Mar 28, 1979: Enstrm F28C (N623H), Waikiki, HI, Substantial damage. Pilot said he lost rotor RPM and ditched. Ran out of transitional lift and hit water.
- [Incident 19780801047689I](https://openairdocs.org/incident/19780801047689I), Aug 1, 1978: Enstrm F28C (N623H), Honolulu, HI, Minor damage. While departing heliport on refueling run pilot allowed tail rotor to strike rocks.

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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