# N9556: 1971 Enstrom F-28A, registration cancelled 2015-05-11

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 11, 2015
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Enstrom F-28A](https://openairdocs.org/model/enstrom-f-28a) (registry code 3300406)
- Engine: [Lycoming I0360 series](https://openairdocs.org/engine/lycoming-i0360-series) (registry code 41515)
- Data sheets: [TCDS H1CE](https://openairdocs.org/tcds/H1CE), [TCDS 1E10](https://openairdocs.org/tcds/1E10) (OpenAirDocs)
- Serial number: 066
- Year built: 1971
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: July 3, 1979
- Certificate issued: May 30, 1996
- Last registry action: June 16, 1999
- Mode S code: AD4A64
- Owner when cancelled: [Hail Mary E](https://openairdocs.org/faa-owner/HAIL%20MARY%20E)
- Location: [Inola, OK](https://openairdocs.org/faa-place/OK/Inola)
- Owner type: Individual
- Owner's area on the map: 36.1582° N, 95.5066° W: Placed by OpenAirDocs at the center of ZIP code 74036, within about 6 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N9556
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9556
- Page: https://openairdocs.org/deregistered/N9556-2015-05-11

From the FAA registry file of October 31, 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-28A: https://openairdocs.org/model/enstrom-f-28a.md

## FAA accident and incident reports (3)

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 19820119000329I](https://openairdocs.org/incident/19820119000329I), Jan 19, 1982: Enstrm F28A (N9556), Brownsville, TX, Minor damage. Lost airspeed on takeoff. Autorotated to land. Found rotor power belts slipping.
- [Incident 19800109014559I](https://openairdocs.org/incident/19800109014559I), Jan 9, 1980: Enstrm F28A (N9556), Enid, OK, Minor damage. Tail rotor struck ground after a power-on landing. Minor damage to tail rotor and tail rotor gear box.
- [Incident 19780106001439I](https://openairdocs.org/incident/19780106001439I), Jan 6, 1978: Enstrm F28A (N9556), Enid, OK, Minor damage. Pilot failed to maintain rotor RPM, aircraft struck ground, damaging skid.

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