# N631: 1929 Invincible Metal Furniture D-D, registration cancelled 1937-05-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 31, 1937
- Status when cancelled: Valid registration
- Airframe: [Invincible Metal Furniture D-D](https://openairdocs.org/model/invincible-metal-furniture-d-d) (registry code 05636AC)
- Serial number: 102
- Year built: 1929
- Type of aircraft: Glider
- Certificate issued: February 9, 1937
- Mode S code: A84172
- Owner when cancelled: [Mason William S](https://openairdocs.org/faa-owner/MASON%20WILLIAM%20S)
- Location: [Fort Wayne, IN](https://openairdocs.org/faa-place/IN/Fort%20Wayne)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N631
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=631
- Page: https://openairdocs.org/deregistered/N631-1937-05-31

From the FAA registry file of November 4, 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 Invincible Metal Furniture D-D: https://openairdocs.org/model/invincible-metal-furniture-d-d.md

## Other aircraft with N631

- [Cancelled 1976-06-28](https://openairdocs.org/deregistered/N631-1976-06-28): Lee L-1P-S, S/N 4, built 1930. Sale reported. Owner: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%20City)

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