# N221SF: 1958 Canadair T-33, registration cancelled 2014-11-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 13, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Canadair T-33](https://openairdocs.org/model/canadair-t-33) (registry code 1901204)
- Engine: [Alliedsign TFE-731-2B](https://openairdocs.org/engine/alliedsign-tfe-731-2b) (registry code 02502)
- Data sheets: [TCDS E6WE](https://openairdocs.org/tcds/E6WE) (OpenAirDocs)
- Serial number: 160
- Year built: 1958
- Type of aircraft: Fixed wing single engine
- Engine type: Turbo-jet
- Airworthiness: Experimental, research and development
- Airworthiness date: September 8, 1999
- Certificate issued: January 14, 1983
- Last registry action: July 17, 2007
- Mode S code: A1E64E
- Owner when cancelled: [Flight Test Research Inc](https://openairdocs.org/faa-owner/FLIGHT%20TEST%20RESEARCH%20INC)
- Location: [Englewood, CO](https://openairdocs.org/faa-place/CO/Englewood)
- Owner type: Corporation
- Owner's area on the map: 39.6120° N, 104.8828° W: Placed by OpenAirDocs at the center of ZIP code 80111, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N221SF
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=221SF
- Page: https://openairdocs.org/deregistered/N221SF-2014-11-13

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 Canadair T-33: https://openairdocs.org/model/canadair-t-33.md

## Other aircraft with N221SF

- [Registered now](https://openairdocs.org/aircraft/N221SF): Cirrus Design SR22T, S/N 2266, built 2021

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