# N23TN: 1997 Nyquist Thomas P CHALLENGER II, registration cancelled 2004-06-17

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: June 17, 2004
- Status when cancelled: Triennial form not returned
- Airframe: [Nyquist Thomas P CHALLENGER II](https://openairdocs.org/model/nyquist-thomas-p-challenger-ii) (registry code 05603V7)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH2-0496-1480
- Year built: 1997
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 5, 1998
- Certificate issued: May 4, 2001
- Last registry action: April 20, 2004
- Mode S code: A207DD
- Owner when cancelled: [Smith Harry N](https://openairdocs.org/faa-owner/SMITH%20HARRY%20N)
- Location: [Aguila, AZ](https://openairdocs.org/faa-place/AZ/Aguila)
- Owner type: Individual
- Owner's area on the map: 33.8356° N, 113.2322° W: Placed by OpenAirDocs at the center of ZIP code 85320, within about 9 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N23TN
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=23TN
- Page: https://openairdocs.org/deregistered/N23TN-2004-06-17

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 Nyquist Thomas P CHALLENGER II: https://openairdocs.org/model/nyquist-thomas-p-challenger-ii.md

## Other aircraft with N23TN

- [Registered now](https://openairdocs.org/aircraft/N23TN): American Legend AL18, S/N AL-1206, built 2016

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