# N2101N: 1997 Oster William CHALLENGER II, registration cancelled 2012-05-18

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 18, 2012
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Oster William CHALLENGER II](https://openairdocs.org/model/oster-william-challenger-ii) (registry code 05604VW)
- Engine: [Bombardier ROTAX (ALL)](https://openairdocs.org/engine/bombardier-rotax-all) (registry code 09050)
- Serial number: CH21196R1538
- Year built: 1997
- Type of aircraft: Fixed wing single engine
- Engine type: Reciprocating
- Airworthiness: Experimental, amateur built
- Airworthiness date: August 9, 1997
- Last registry action: September 5, 2008
- Mode S code: A1BC0A
- Location: [Oklahoma City, OK](https://openairdocs.org/faa-place/OK/Oklahoma%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/N2101N
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2101N
- Page: https://openairdocs.org/deregistered/N2101N-2012-05-18

From the FAA registry file of November 5, 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 Oster William CHALLENGER II: https://openairdocs.org/model/oster-william-challenger-ii.md

## Other aircraft with N2101N

- [Cancelled 1962-03-14](https://openairdocs.org/deregistered/N2101N-1962-03-14): Cessna 140, S/N 12337, built 1947. Owner: [Essex County Voc & Tech High School](https://openairdocs.org/faa-owner/ESSEX%20COUNTY%20VOC%20%26%20TECH%20HIGH%20SCHOOL), [Bloomfield, NJ](https://openairdocs.org/faa-place/NJ/Bloomfield)

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