# N251Q: 1975 Enstrom F-28A, registration cancelled 2011-07-27

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 27, 2011
- Status when cancelled: Expired dealer
- 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: 285
- Year built: 1975
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Standard, normal
- Airworthiness date: February 26, 1975
- Last registry action: June 20, 2006
- Mode S code: A25C93
- Owners when cancelled: [Sawyer Transport Inc](https://openairdocs.org/faa-owner/SAWYER%20TRANSPORT%20INC), [Sawyer Air Service Div](https://openairdocs.org/faa-owner/SAWYER%20AIR%20SERVICE%20DIV)
- Location: [Valparaiso, IN](https://openairdocs.org/faa-place/IN/Valparaiso)
- Owner type: Corporation
- Owner's area on the map: 41.4579° N, 87.0020° W: Placed by OpenAirDocs at the center of ZIP code 46383, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N251Q
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=251Q
- Page: https://openairdocs.org/deregistered/N251Q-2011-07-27

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 F-28A: https://openairdocs.org/model/enstrom-f-28a.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 NYC75FGM37](https://openairdocs.org/ntsb/NYC75FGM37), May 16, 1975: Enstrom F-28A (N251Q), Mt Lebanon, PA, substantial damage

## 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 19750516015199A](https://openairdocs.org/incident/19750516015199A), May 16, 1975: Enstrm F28A (N251Q), Mt Lebanon, PA, Substantial damage. Rotor RPM dcrsd drg clb to clr wires. Drg lndg apch to grass clrg,t/r hit wires.

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