# N5691W: 1979 Enstrom Helicopter 280C, registration cancelled 2015-05-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 19, 2015
- 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: 1176
- Year built: 1979
- Type of aircraft: Rotorcraft
- Engine type: Turbo-shaft
- Airworthiness: Standard, normal
- Airworthiness date: July 16, 1977
- Certificate issued: June 4, 2002
- Last registry action: June 8, 2009
- Mode S code: A74AE9
- Owner when cancelled: [Eagle Flight Helicopters Inc](https://openairdocs.org/faa-owner/EAGLE%20FLIGHT%20HELICOPTERS%20INC)
- Location: [Denver, CO](https://openairdocs.org/faa-place/CO/Denver)
- Owner type: Corporation
- Owner's area on the map: 39.7314° N, 104.9828° W: Placed by OpenAirDocs at the center of ZIP code 80203, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N5691W
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=5691W
- Page: https://openairdocs.org/deregistered/N5691W-2015-05-19

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 280C: https://openairdocs.org/model/enstrom-helicopter-280c.md

## Service difficulty reports (3)

Matched to this aircraft by N-number and event date, checked against the reported serial number, make and model.

- [SDR 20000505SH030](https://openairdocs.org/sdr/20000505SH030), Apr 18, 2000: GEAR. BROKEN. PILOT REPORTED NOT BEING ABLE TO SEE OIL LEVEL IN SIGHT GLASS. WHEN SIGHT GLASS REMOVED, A PIECE OF GEAR SET (TOOTH) ABOUT .4375 INCH LONG WAS FOUND INSIDE. ACF
- [SDR 99ZZZX2944](https://openairdocs.org/sdr/99ZZZX2944), Jul 1, 1999: OIL COOLER. DAMAGED. ALTERNATOR WAS INSTALLED ON THE AIRCRAFT WITHOUT REMOVING THE COOLING FAN FROM THE ALTERNATOR PER THE ENSTROM MM. FAN THREW A BLADE WHICH PUNCTURED THE OIL COOL
- [SDR 99ZZZX2943](https://openairdocs.org/sdr/99ZZZX2943), Jul 1, 1999: ALTERNATOR. MISINSTALLED. ALTERNATOR WAS INSTALLED ON THE AIRCRAFT WITHOUT REMOVING THE COOLING FAN FROM THE ALTERNATOR PER THE ENSTROM MM. FAN THREW A BLADE WHICH PUNCTURED THE OIL COOL

## 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.

- [Incident 19890507019229I](https://openairdocs.org/incident/19890507019229I), May 7, 1989: Enstrm 280C (N5691W), Lewiston, ME, Minor damage. Landed in clearing, got out to survey area with idling rotors. Tailboom hit ground severing tail rotor drive shaft.

## Other aircraft with N5691W

- [Cancelled 1964-10-24](https://openairdocs.org/deregistered/N5691W-1964-10-24): Piper PA-28-150, S/N 28-1039. Exported to Brazil. Owner: [James H Russell](https://openairdocs.org/faa-owner/JAMES%20H%20RUSSELL), [Hamburg, NY](https://openairdocs.org/faa-place/NY/Hamburg)

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