# N637H: 1977 Enstrom F-28C, registration cancelled 2020-08-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 2, 2020
- Status when cancelled: Registration expired, 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: 395
- Year built: 1977
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: June 27, 1977
- Certificate issued: May 24, 1999
- Last registry action: November 8, 2016
- Mode S code: A8586C
- Owner when cancelled: [Eisenach Thomas A](https://openairdocs.org/faa-owner/EISENACH%20THOMAS%20A)
- Location: [Merriam, KS](https://openairdocs.org/faa-place/KS/Merriam)
- Owner type: Individual
- Owner's area on the map: 38.9904° N, 94.6782° W: Placed by OpenAirDocs at the center of ZIP code 66204, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N637H
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=637H
- Page: https://openairdocs.org/deregistered/N637H-2020-08-02

From the FAA registry file of November 5, 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 LAX01LA120](https://openairdocs.org/ntsb/LAX01LA120), Mar 18, 2001: Enstrom F-28C (N637H), Hollister, CA, destroyed. Probable cause: the pilot's inadequate use of the antitorque controls and subsequent failure to maintain directional control of the helicopter during the takeoff initial climb.

## FAA accident and incident reports (1)

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 20010318003939A](https://openairdocs.org/incident/20010318003939A), Mar 18, 2001: Enstrm F28C (N637H), Hollister, CA, No damage. (.19) On March 18, 2001, at 1345 PST, an Enstrom F-28C, N637H, experienced a tail rotor strike, and rolled over, starting a fire in Hollister, California. The…

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