# N12WM: 1970 Semco Balloon CHALLENGER, registration cancelled 2011-01-21

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 21, 2011
- Status when cancelled: Sale reported, pending cancellation
- Airframe: [Semco Balloon CHALLENGER](https://openairdocs.org/model/semco-balloon-challenger) (registry code 8070802)
- Engine: [Amateur-built UNKNOWN ENG](https://openairdocs.org/engine/amateur-built-unknown-eng) (registry code 99999)
- Data sheets: [TCDS A13SO](https://openairdocs.org/tcds/A13SO) (OpenAirDocs)
- Serial number: WMBA-1
- Year built: 1970
- Type of aircraft: Balloon
- Airworthiness: Experimental, crew training
- Airworthiness date: July 3, 1973
- Last registry action: March 18, 1978
- Mode S code: A05359
- Location: [Grand Rapids, MI](https://openairdocs.org/faa-place/MI/Grand%20Rapids)
- Owner type: Individual
- Owner's area on the map: 42.9457° N, 85.6138° W: Placed by OpenAirDocs at the center of ZIP code 49506, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N12WM
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=12WM
- Page: https://openairdocs.org/deregistered/N12WM-2011-01-21

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 Semco Balloon CHALLENGER: https://openairdocs.org/model/semco-balloon-challenger.md

## Other aircraft with N12WM

- [Cancelled 2025-02-05](https://openairdocs.org/deregistered/N12WM-2025-02-05): Shaun Remus MUTT, S/N FASTBACK 4-01. Exported to Australia. Owner: [Showalter Shane](https://openairdocs.org/faa-owner/SHOWALTER%20SHANE), [Garden City, KS](https://openairdocs.org/faa-place/KS/Garden%20City)

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