# N6550C: 1966 Ujihara Special BENSEN B-8M, registration cancelled 2018-04-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 6, 2018
- Status when cancelled: Revoked, canceled
- Airframe: [Ujihara Special BENSEN B-8M](https://openairdocs.org/model/ujihara-special-bensen-b-8m) (registry code 130078T)
- Engine: [Lycoming O&GO-145C series](https://openairdocs.org/engine/lycoming-o-go-145c-series) (registry code 41503)
- Data sheets: [TCDS TC 210](https://openairdocs.org/tcds/TC%20210) (OpenAirDocs)
- Serial number: 1-GU
- Year built: 1966
- Type of aircraft: Rotorcraft
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Last registry action: January 14, 1977
- Mode S code: A8A1A8
- Owner when cancelled: [Ujihara George](https://openairdocs.org/faa-owner/UJIHARA%20GEORGE)
- Location: [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)
- Owner type: Individual
- Owner's area on the map: 34.0522° N, 118.2437° W: Placed by OpenAirDocs: center of Los Angeles, CA, within about 12 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N6550C
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=6550C
- Page: https://openairdocs.org/deregistered/N6550C-2018-04-06

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 Ujihara Special BENSEN B-8M: https://openairdocs.org/model/ujihara-special-bensen-b-8m.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 LAX68A0004](https://openairdocs.org/ntsb/LAX68A0004), Jul 10, 1967: Ujihara B8M (N6550C), Adelanto, CA, destroyed, 1 fatal

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