# N4091B: 1994 Whaley Howard J CHALLENGER II, registration cancelled 2012-08-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 21, 2012
- Status when cancelled: Registration pending, canceled
- Airframe: [Whaley Howard J CHALLENGER II](https://openairdocs.org/model/whaley-howard-j-challenger-ii) (registry code 05626P5)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH20593-0972
- Year built: 1994
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: February 10, 1998
- Last registry action: July 9, 1997
- Mode S code: A4D08D
- Location: [Ocean City, MD](https://openairdocs.org/faa-place/MD/Ocean%20City)
- Owner type: Individual
- Owner's area on the map: 38.3631° N, 75.0850° W: Placed by OpenAirDocs at the center of ZIP code 21842, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4091B
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4091B
- Page: https://openairdocs.org/deregistered/N4091B-2012-08-21

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 Whaley Howard J CHALLENGER II: https://openairdocs.org/model/whaley-howard-j-challenger-ii.md

## Other aircraft with N4091B

- [Cancelled (date not recorded)](https://openairdocs.org/deregistered/N4091B-undated): Piper PA-31-350, S/N 318152153. N-number assigned, not yet registered

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