# N221TT: Convair 440, registration cancelled 2014-01-02

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 2, 2014
- Status when cancelled: Registration expired
- Airframe: [Convair 440](https://openairdocs.org/model/convair-440) (registry code 2422902)
- Data sheets: [TCDS 6A6](https://openairdocs.org/tcds/6A6) (OpenAirDocs)
- Serial number: 482
- Type of aircraft: Fixed wing multi engine
- Certificate issued: February 12, 1997
- Last registry action: June 16, 2009
- Mode S code: A1E673
- Owner when cancelled: [Tulsa Technology Center School District No 18](https://openairdocs.org/faa-owner/TULSA%20TECHNOLOGY%20CENTER%20SCHOOL%20DISTRICT%20NO%2018)
- Location: [Tulsa, OK](https://openairdocs.org/faa-place/OK/Tulsa)
- Owner type: Government
- Owner's area on the map: 36.0488° N, 96.0167° W: Placed by OpenAirDocs at the center of ZIP code 74132, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N221TT
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=221TT
- Page: https://openairdocs.org/deregistered/N221TT-2014-01-02

From the FAA registry file of October 31, 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 Convair 440: https://openairdocs.org/model/convair-440.md

## Other aircraft with N221TT

- [Registered now](https://openairdocs.org/aircraft/N221TT): Cirrus Design SR22T, S/N 2248, built 2021

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