# N2521K: 1992 Balloon Works FIREFLY 8B-15, registration cancelled 2014-01-29

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: January 29, 2014
- Status when cancelled: Valid registration
- Airframe: [Balloon Works FIREFLY 8B-15](https://openairdocs.org/model/balloon-works-firefly-8b-15) (registry code 1050111)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS A14SO](https://openairdocs.org/tcds/A14SO) (OpenAirDocs)
- Serial number: F8B-409
- Year built: 1992
- Type of aircraft: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: January 30, 1992
- Certificate issued: August 9, 2006
- Last registry action: June 19, 2012
- Mode S code: A26171
- Owner when cancelled: [Hart Joseph R](https://openairdocs.org/faa-owner/HART%20JOSEPH%20R)
- Location: [Longmont, CO](https://openairdocs.org/faa-place/CO/Longmont)
- Owner type: Individual
- Owner's area on the map: 40.1682° N, 105.1005° W: Placed by OpenAirDocs: center of Longmont, CO, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N2521K
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=2521K
- Page: https://openairdocs.org/deregistered/N2521K-2014-01-29

From the FAA registry file of October 31, 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 8B-15: https://openairdocs.org/model/balloon-works-firefly-8b-15.md

## Other aircraft with N2521K

- [Cancelled 1960-09-23](https://openairdocs.org/deregistered/N2521K-1960-09-23): Luscombe 8E, S/N 5248. Owner: [Martin Raymond E](https://openairdocs.org/faa-owner/MARTIN%20RAYMOND%20E), [New Orleans, LA](https://openairdocs.org/faa-place/LA/New%20Orleans)

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