# N55MH: 1977 Hanson BIPLANE, registration cancelled 2012-09-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: September 21, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Hanson BIPLANE](https://openairdocs.org/model/hanson-biplane) (registry code 0565546)
- Engine: [Lycoming 0-290 series](https://openairdocs.org/engine/lycoming-0-290-series) (registry code 41506)
- Data sheets: [TCDS E-229](https://openairdocs.org/tcds/E-229) (OpenAirDocs)
- Serial number: 500
- Year built: 1977
- Type of aircraft: Fixed wing single engine
- Engine type: 4 cycle
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 10, 1981
- Last registry action: February 8, 1985
- Mode S code: A6FE2D
- Location: [Salinas, CA](https://openairdocs.org/faa-place/CA/Salinas)
- Owner type: Individual
- Owner's area on the map: 36.6212° N, 121.6197° W: Placed by OpenAirDocs at the center of ZIP code 93908, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N55MH
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=55MH
- Page: https://openairdocs.org/deregistered/N55MH-2012-09-21

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 Hanson BIPLANE: https://openairdocs.org/model/hanson-biplane.md

## 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 19810912071299I](https://openairdocs.org/incident/19810912071299I), Sep 12, 1981: Amtrea EAABIPLANE* (N55MH), San Jose, CA, Minor damage. Brake system was designed by the amateur builder and did not incorporate return springs. Brake locked on landing.

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