# N66KM: 1998 Pfeifer John E CHALLENGER II CWS, registration cancelled 2012-11-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 28, 2012
- Status when cancelled: Sale reported, canceled
- Airframe: [Pfeifer John E CHALLENGER II CWS](https://openairdocs.org/model/pfeifer-john-e-challenger-ii-cws) (registry code 05606R8)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CW-1515
- Year built: 1998
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: November 12, 1998
- Last registry action: January 11, 2001
- Mode S code: A8B2CD
- Location: [Leeds, AL](https://openairdocs.org/faa-place/AL/Leeds)
- Owner type: Individual
- Owner's area on the map: 33.5136° N, 86.5712° W: Placed by OpenAirDocs at the center of ZIP code 35094, within about 4 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N66KM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=66KM
- Page: https://openairdocs.org/deregistered/N66KM-2012-11-28

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 Pfeifer John E CHALLENGER II CWS: https://openairdocs.org/model/pfeifer-john-e-challenger-ii-cws.md

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