# N4479K: 1983 Williams John F TIERRA II, registration cancelled 2014-12-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: December 17, 2014
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Williams John F TIERRA II](https://openairdocs.org/model/williams-john-f-tierra-ii) (registry code 05675KA)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: 4200
- Year built: 1983
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: July 18, 1984
- Certificate issued: January 11, 1984
- Last registry action: June 16, 2009
- Mode S code: A5683B
- Owner when cancelled: [Williams John F](https://openairdocs.org/faa-owner/WILLIAMS%20JOHN%20F)
- Location: [Shawmut, AL](https://openairdocs.org/faa-place/AL/Shawmut)
- Owner type: Individual
- Owner's area on the map: 32.8404° N, 85.1833° W: Placed by OpenAirDocs: center of Shawmut, AL, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4479K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4479K
- Page: https://openairdocs.org/deregistered/N4479K-2014-12-17

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 Williams John F TIERRA II: https://openairdocs.org/model/williams-john-f-tierra-ii.md

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.