# N623H: 1977 Enstrom F-28C, registration cancelled 2012-10-04

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 4, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Enstrom F-28C](https://openairdocs.org/model/enstrom-f-28c) (registry code 3300407)
- Engine: [Lycoming HIO-360 series](https://openairdocs.org/engine/lycoming-hio-360-series) (registry code 41524)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 378
- Year built: 1977
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: April 25, 1977
- Last registry action: January 12, 1984
- Mode S code: A82211
- Location: [Ontario, CA](https://openairdocs.org/faa-place/CA/Ontario)
- Owner type: Individual
- Owner's area on the map: 34.0356° N, 117.5915° W: Placed by OpenAirDocs at the center of ZIP code 91761, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N623H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=623H
- Page: https://openairdocs.org/deregistered/N623H-2012-10-04

From the FAA registry file of October 28, 2026, cancelled registrations. Owners' street addresses are left out. The Mode S code belongs to the N-number, not the airframe.

ADs and bulletins for the Enstrom F-28C: https://openairdocs.org/model/enstrom-f-28c.md

## NTSB investigations (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 OAK79FJA08](https://openairdocs.org/ntsb/OAK79FJA08), Mar 28, 1979: Enstrom F-28C (N623H), Honolulu, HI, destroyed

## FAA accident and incident reports (3)

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.

- [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 19780817037899I](https://openairdocs.org/incident/19780817037899I), Aug 17, 1978: Enstrm F28C (N623H), Honolulu, HI, Minor damage. Forced landing after severe vibration. Found rag in idler pulley.
- [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.

## Other aircraft with N623H

- [Cancelled 1947-12-23](https://openairdocs.org/deregistered/N623H-1947-12-23): Travel Air S-6000-B, S/N 6B-2001. Owner: [Johnson Flying Service Inc](https://openairdocs.org/faa-owner/JOHNSON%20FLYING%20SERVICE%20INC), [Missoula, MT](https://openairdocs.org/faa-place/MT/Missoula)

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OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.
