# N400SD: Bell UH-1B, registration cancelled 1990-04-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 13, 1990
- Status when cancelled: N-number assigned, not yet registered
- Airframe: [Bell UH-1B](https://openairdocs.org/model/bell-uh-1b) (registry code 1181410)
- Serial number: 638668
- Type of aircraft: Rotorcraft
- Mode S code: A4AE35
- The mark today: https://openairdocs.org/aircraft/N400SD
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=400SD
- Page: https://openairdocs.org/deregistered/N400SD-1990-04-13

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 Bell UH-1B: https://openairdocs.org/model/bell-uh-1b.md

## Other aircraft with N400SD

- [Registered now](https://openairdocs.org/aircraft/N400SD): Donahoo Stanley E RV-4, S/N 3612, built 1996

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