# N11: U S Air Mail Service DH 4B LAND PLANE, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- Status when cancelled: Valid registration
- Airframe: [U S Air Mail Service DH 4B LAND PLANE](https://openairdocs.org/model/u-s-air-mail-service-dh-4b-land-plane) (registry code 05637PK)
- Serial number: 422
- Type of aircraft: Fixed wing single engine
- Mode S code: A029D9
- Owner when cancelled: [Air Regulations Division Dept Of Commerce](https://openairdocs.org/faa-owner/AIR%20REGULATIONS%20DIVISION%20DEPT%20OF%20COMMERCE)
- Owner type: Government
- The mark today: https://openairdocs.org/aircraft/N11
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=11
- Page: https://openairdocs.org/deregistered/N11-undated

From the FAA registry file of October 27, 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 U S Air Mail Service DH 4B LAND PLANE: https://openairdocs.org/model/u-s-air-mail-service-dh-4b-land-plane.md

## Other aircraft with N11

- [Registered now](https://openairdocs.org/aircraft/N11): Hawker Beechcraft C90GTI, S/N LJ-1964, built 2009
- [Cancelled 1955-01-25](https://openairdocs.org/deregistered/N11-1955-01-25): Boeing 247D, S/N 1953, built 1934. Owner: [Civil Aeronautics Admin](https://openairdocs.org/faa-owner/CIVIL%20AERONAUTICS%20ADMIN), [Washington, DC](https://openairdocs.org/faa-place/DC/Washington)

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