# N9921: Travel Air B-4000, registration cancelled 1938-02-01

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 1, 1938
- Status when cancelled: Valid registration
- Airframe: [Travel Air B-4000](https://openairdocs.org/model/travel-air-b-4000) (registry code 2621820)
- Serial number: 1065
- Type of aircraft: Fixed wing single engine
- Mode S code: ADDC8C
- Owner when cancelled: [Nelson R S](https://openairdocs.org/faa-owner/NELSON%20R%20S)
- Location: [Danville, IL](https://openairdocs.org/faa-place/IL/Danville)
- Owner type: Individual
- The mark today: https://openairdocs.org/aircraft/N9921
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=9921
- Page: https://openairdocs.org/deregistered/N9921-1938-02-01

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 Travel Air B-4000: https://openairdocs.org/model/travel-air-b-4000.md

## Other aircraft with N9921

- [Cancelled 1965-05-18](https://openairdocs.org/deregistered/N9921-1965-05-18): Beech E18S, S/N BA-2. Owner: [The Bahnson Co](https://openairdocs.org/faa-owner/THE%20BAHNSON%20CO), [Winston Salem, NC](https://openairdocs.org/faa-place/NC/Winston%20Salem)

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