# N4039K: 1979 Balloon Works FIREFLY 7, registration cancelled 2015-05-06

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: May 6, 2015
- Status when cancelled: Registration expired, pending cancellation
- 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: 7823
- Year built: 1979
- Type of aircraft: Balloon
- Engine type: None
- Airworthiness: Standard
- Certificate issued: February 27, 1989
- Last registry action: September 11, 1998
- Mode S code: A4BB63
- Owner when cancelled: [Corn William L](https://openairdocs.org/faa-owner/CORN%20WILLIAM%20L)
- Location: [St Petersburg, FL](https://openairdocs.org/faa-place/FL/St%20Petersburg)
- Owner type: Individual
- Owner's area on the map: 27.8153° N, 82.6777° W: Placed by OpenAirDocs at the center of ZIP code 33714, within about a mile (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4039K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4039K
- Page: https://openairdocs.org/deregistered/N4039K-2015-05-06

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 N4039K

- [Cancelled 1949-09-09](https://openairdocs.org/deregistered/N4039K-1949-09-09): North American NAVION, S/N NAV-4-1039. Owner: [Deans F B](https://openairdocs.org/faa-owner/DEANS%20F%20B), [Long Island, NY](https://openairdocs.org/faa-place/NY/Long%20Island)

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