# N1521K: Balloon Works FIREFLY 7, registration cancelled 1994-07-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: July 19, 1994
- Status when cancelled: Triennial form not returned
- Airframe: [Balloon Works FIREFLY 7](https://openairdocs.org/model/balloon-works-firefly-7) (registry code 1050100)
- Data sheets: [TCDS A14SO](https://openairdocs.org/tcds/A14SO) (OpenAirDocs)
- Serial number: 11049
- Type of aircraft: Balloon
- Certificate issued: May 31, 1988
- Last registry action: May 18, 1994
- Mode S code: A0D422
- Owner when cancelled: [Wilsey David E](https://openairdocs.org/faa-owner/WILSEY%20DAVID%20E)
- Location: [Quakertown, PA](https://openairdocs.org/faa-place/PA/Quakertown)
- Owner type: Individual
- Owner's area on the map: 40.4592° N, 75.3474° W: Placed by OpenAirDocs at the center of ZIP code 18951, within about 5 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1521K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1521K
- Page: https://openairdocs.org/deregistered/N1521K-1994-07-19

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 Balloon Works FIREFLY 7: https://openairdocs.org/model/balloon-works-firefly-7.md

## Other aircraft with N1521K

- [Cancelled 2011-09-28](https://openairdocs.org/deregistered/N1521K-2011-09-28): Aerospatiale SA316B ALOUETTE III, S/N 1521, built 1964. First renewal notice. Owner: [Roberts Aircraft Co](https://openairdocs.org/faa-owner/ROBERTS%20AIRCRAFT%20CO), [Cheyenne, WY](https://openairdocs.org/faa-place/WY/Cheyenne)

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