# N40521: 1980 Balloon Works FIREFLY 7, registration cancelled 2011-03-08

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: March 8, 2011
- Status when cancelled: Expired dealer
- Airframe: [Balloon Works FIREFLY 7](https://openairdocs.org/model/balloon-works-firefly-7) (registry code 1050100)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS A14SO](https://openairdocs.org/tcds/A14SO) (OpenAirDocs)
- Serial number: 10079
- Year built: 1980
- Type of aircraft: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: February 14, 1980
- Last registry action: June 20, 2006
- Mode S code: A4C1EC
- Owners when cancelled: [Corlew Michael F DBA](https://openairdocs.org/faa-owner/CORLEW%20MICHAEL%20F%20DBA), [Fresno Hot Airlines](https://openairdocs.org/faa-owner/FRESNO%20HOT%20AIRLINES)
- Location: [Fresno, CA](https://openairdocs.org/faa-place/CA/Fresno)
- Owner type: Individual
- Owner's area on the map: 36.8241° N, 119.7627° W: Placed by OpenAirDocs at the center of ZIP code 93710, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N40521
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=40521
- Page: https://openairdocs.org/deregistered/N40521-2011-03-08

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

## Other aircraft with N40521

- [Registered now](https://openairdocs.org/aircraft/N40521): Robinson Helicopter R44 II, S/N 14582, built 2022

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