# N33CK: 1971 Koonce CLAYTON SPECIAL, registration cancelled 2018-01-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 18, 2018
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Koonce CLAYTON SPECIAL](https://openairdocs.org/model/koonce-clayton-special) (registry code 05611E3)
- Engine: [Continental A&C65 series](https://openairdocs.org/engine/continental-a-c65-series) (registry code 17003)
- Data sheets: [TCDS E-205](https://openairdocs.org/tcds/E-205) (OpenAirDocs)
- Serial number: 123
- Year built: 1971
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: April 5, 1985
- Certificate issued: December 8, 1982
- Last registry action: April 5, 2007
- Mode S code: A393B2
- Owner when cancelled: [Koonce Clayton F](https://openairdocs.org/faa-owner/KOONCE%20CLAYTON%20F)
- Location: [Knoxville, IA](https://openairdocs.org/faa-place/IA/Knoxville)
- Owner type: Individual
- Owner's area on the map: 41.3029° N, 93.1077° W: Placed by OpenAirDocs at the center of ZIP code 50138, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N33CK
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=33CK
- Page: https://openairdocs.org/deregistered/N33CK-2018-01-18

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 Koonce CLAYTON SPECIAL: https://openairdocs.org/model/koonce-clayton-special.md

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