# N8631E: Enstrom Helicopter TH-28, registration cancelled 1994-04-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 6, 1994
- Status when cancelled: Valid registration
- Airframe: [Enstrom Helicopter TH-28](https://openairdocs.org/model/enstrom-helicopter-th-28) (registry code 3300435)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE) (OpenAirDocs)
- Serial number: 3003
- Type of aircraft: Rotorcraft
- Certificate issued: January 28, 1991
- Last registry action: January 29, 1991
- Mode S code: ABDC7C
- Owner when cancelled: [Enstrom Helicopter Corp](https://openairdocs.org/faa-owner/ENSTROM%20HELICOPTER%20CORP)
- Location: [Menominee, MI](https://openairdocs.org/faa-place/MI/Menominee)
- Owner type: Non-citizen corporation
- Owner's area on the map: 45.2221° N, 87.5482° W: Placed by OpenAirDocs at the center of ZIP code 49858, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N8631E
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=8631E
- Page: https://openairdocs.org/deregistered/N8631E-1994-04-06

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 Helicopter TH-28: https://openairdocs.org/model/enstrom-helicopter-th-28.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 DEN92LA036](https://openairdocs.org/ntsb/DEN92LA036), Feb 29, 1992: Enstrom TH-28 (N8631E), Leadville, CO, substantial damage. Probable cause: THE PILOT MISJUDGING THE DESCENT RATE AND CONSEQUENTLY DELAYING THE FLARE. A FACTOR WAS: DOWNDRAFT.

## FAA accident and incident reports (2)

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 19920229017419A](https://openairdocs.org/incident/19920229017419A), Feb 29, 1992: Enstrm 280FX (N8631E), Leadville, CO, Substantial damage. Unable to arrest high sink rate on autorotation test. Impacted ground. Main rotors chopped tailboom.
- [Incident 19920218004699I](https://openairdocs.org/incident/19920218004699I), Feb 18, 1992: Enstrm 280FX (N8631E), Leadville, CO, Minor damage. Engine failed on test flight. Made autorotation into a field. Found a design flaw in fuel manifold system.

## Other aircraft with N8631E

- [Registered now](https://openairdocs.org/aircraft/N8631E): Bombardier CL-600-2B19, S/N 7631, built 2002
- [Cancelled 1973-05-29](https://openairdocs.org/deregistered/N8631E-1973-05-29): Douglas B-26B, S/N 44-34592. Exported to Canada. Owner: [Da Pro Rubber Inc](https://openairdocs.org/faa-owner/DA%20PRO%20RUBBER%20INC), [Van Nuys, CA](https://openairdocs.org/faa-place/CA/Van%20Nuys)

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