# N99UB: 1993 Unity Builders CHALLENGER II, registration cancelled 2013-04-26

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: April 26, 2013
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Unity Builders CHALLENGER II](https://openairdocs.org/model/unity-builders-challenger-ii) (registry code 05623WQ)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH2 0193R0935
- Year built: 1993
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: September 11, 1993
- Last registry action: October 24, 1996
- Mode S code: ADD20E
- Location: [Okla. City, OK](https://openairdocs.org/faa-place/OK/Okla.%20City)
- Owner type: Individual
- Owner's area on the map: 35.4676° N, 97.5164° W: Placed by OpenAirDocs: center of Oklahoma City, OK, within about 14 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N99UB
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=99UB
- Page: https://openairdocs.org/deregistered/N99UB-2013-04-26

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 Unity Builders CHALLENGER II: https://openairdocs.org/model/unity-builders-challenger-ii.md

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