# N504: Robinson /Christensen /Wright FIREFLY, registration cancelled 1930-03-14

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 14, 1930
- Status when cancelled: Valid registration
- Airframe: [Robinson /Christensen /Wright FIREFLY](https://openairdocs.org/model/robinson-christensen-wright-firefly) (registry code 056310S)
- Serial number: CRW-1
- Type of aircraft: Fixed wing single engine
- Certificate issued: February 9, 1929
- Mode S code: A648CB
- Owner when cancelled: [Messrs J Robinson](https://openairdocs.org/faa-owner/MESSRS%20J%20ROBINSON)
- Location: [Los Angeles, CA](https://openairdocs.org/faa-place/CA/Los%20Angeles)
- Owner type: Partnership
- The mark today: https://openairdocs.org/aircraft/N504
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=504
- Page: https://openairdocs.org/deregistered/N504-1930-03-14

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 Robinson /Christensen /Wright FIREFLY: https://openairdocs.org/model/robinson-christensen-wright-firefly.md

## Other aircraft with N504

- [Registered now](https://openairdocs.org/aircraft/N504): Sikorsky S58E, S/N 57-1717, built 1957
- [Cancelled 1970-06-19](https://openairdocs.org/deregistered/N504-1970-06-19): Sud SE3130 ALOUETTE II, S/N 1085. Owner: [Sanders Aviation Company](https://openairdocs.org/faa-owner/SANDERS%20AVIATION%20COMPANY), [Annapolis, MD](https://openairdocs.org/faa-place/MD/Annapolis)
- [Cancelled 1948-03-31](https://openairdocs.org/deregistered/N504-1948-03-31): Cessna T-50, S/N 4449. Owner: [Dartmouth Airways Inc](https://openairdocs.org/faa-owner/DARTMOUTH%20AIRWAYS%20INC), [Hanover, NH](https://openairdocs.org/faa-place/NH/Hanover)

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