# N51729: 1978 Enstrom F-28C, registration cancelled 2013-04-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 1, 2013
- 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: 420
- Year built: 1978
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: May 6, 1978
- Certificate issued: March 1, 1990
- Last registry action: March 18, 2008
- Mode S code: A67E30
- Owner when cancelled: [Alpine Forest Products Inc](https://openairdocs.org/faa-owner/ALPINE%20FOREST%20PRODUCTS%20INC)
- Location: [Portland, OR](https://openairdocs.org/faa-place/OR/Portland)
- Owner type: Corporation
- Owner's area on the map: 45.5578° N, 122.5053° W: Placed by OpenAirDocs at the center of ZIP code 97230, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N51729
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51729
- Page: https://openairdocs.org/deregistered/N51729-2013-04-01

From the FAA registry file of November 3, 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 SEA90LA116](https://openairdocs.org/ntsb/SEA90LA116), Jun 7, 1990: Enstrom F28C (N51729), Camas, WA, substantial damage. Probable cause: THE FAILURE OF A SPRAG CLUTCH IN THE ROTOR-DRIVE MECHANISM, AT AN ALTITUDE AND POSITION THAT PRECLUDED OR LIMITED THE POSSIBILITY OF A SUCCESSFUL OUTCOME.

## 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 19900606040269A](https://openairdocs.org/incident/19900606040269A), Jun 6, 1990: Enstrm F28C (N51729), Camas, WA, Substantial damage. Lifted off dolly to position other side of fence. Sprague clutch broke disengaging engine to rotors. Crash landed.

## Other aircraft with N51729

- [Cancelled 1960-06-14](https://openairdocs.org/deregistered/N51729-1960-06-14): Ryan Aeronautical ST3KR, S/N 2117, built 1945. Owner: [Chipukaizer Carl](https://openairdocs.org/faa-owner/CHIPUKAIZER%20CARL), [Scio, OH](https://openairdocs.org/faa-place/OH/Scio)

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