# N51686: 1977 Enstrom Helicopter 280C, registration cancelled 2014-10-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 27, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Enstrom Helicopter 280C](https://openairdocs.org/model/enstrom-helicopter-280c) (registry code 3300505)
- Engine: [Lycoming HI0-360 series](https://openairdocs.org/engine/lycoming-hi0-360-series) (registry code 41553)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 1113
- Year built: 1977
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: November 10, 1977
- Certificate issued: December 17, 1984
- Last registry action: February 23, 1991
- Mode S code: A67B48
- Owner when cancelled: [Action Air Helicopters Inc](https://openairdocs.org/faa-owner/ACTION%20AIR%20HELICOPTERS%20INC)
- Location: [Valencia, PA](https://openairdocs.org/faa-place/PA/Valencia)
- Owner type: Corporation
- Owner's area on the map: 40.7071° N, 79.9271° W: Placed by OpenAirDocs at the center of ZIP code 16059, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N51686
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=51686
- Page: https://openairdocs.org/deregistered/N51686-2014-10-27

From the FAA registry file of October 29, 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 280C: https://openairdocs.org/model/enstrom-helicopter-280c.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 NYC85FA015](https://openairdocs.org/ntsb/NYC85FA015), Oct 28, 1984: Enstrom 280C (N51686), Butler, PA, destroyed, 2 fatal

## 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 19841028058679A](https://openairdocs.org/incident/19841028058679A), Oct 28, 1984: Enstrm 280C (N51686), Butler, PA, Destroyed, 1 fatal. Rear of helicopter struck a high transmission static line on approach to landing area. Pitched down, struck ground.

## Other aircraft with N51686

- [Registered now](https://openairdocs.org/aircraft/N51686): Thrush S2R-T660, S/N T660-170DC, built 2022
- [Cancelled 1955-11-29](https://openairdocs.org/deregistered/N51686-1955-11-29): Cessna T-50, S/N 5280. Owner: [Cole Harold J](https://openairdocs.org/faa-owner/COLE%20HAROLD%20J), [Olean, NY](https://openairdocs.org/faa-place/NY/Olean)

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