# N1521G: Balloon Works FIREFLY 7, registration cancelled 1999-08-28

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: August 28, 1999
- 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: 11113
- Type of aircraft: Balloon
- Certificate issued: August 19, 1987
- Last registry action: July 20, 1999
- Mode S code: A0D41F
- Owner when cancelled: [Brown Shawna L](https://openairdocs.org/faa-owner/BROWN%20SHAWNA%20L)
- Location: [Boise, ID](https://openairdocs.org/faa-place/ID/Boise)
- Owner type: Individual
- Owner's area on the map: 43.6655° N, 116.1444° W: Placed by OpenAirDocs at the center of ZIP code 83702, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N1521G
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=1521G
- Page: https://openairdocs.org/deregistered/N1521G-1999-08-28

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

## NTSB investigations (1)

From the NTSB's public API. Aircraft are matched to registry aircraft by N-number and event date, checked against the reported serial number, make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [NTSB DEN87LA074](https://openairdocs.org/ntsb/DEN87LA074), Mar 26, 1987: Balloon Works Firefly 7 (N1521G), Park City, UT, substantial damage

## FAA accident and incident reports (1)

From the FAA Accident/Incident Data System. Reports are matched to registry aircraft by N-number and event date, checked against the reported make and model; the registry's history has gaps, so older matches can be wrong. Compare the reported make and model.

- [Accident 19870326009279A](https://openairdocs.org/incident/19870326009279A), Mar 26, 1987: Balwks FIREFLY7 (N1521G), Park City, UT. A passenger was thrown from the balloon during a hard landing. Passenger ignored pilot safety briefing. Gusty winds.

## Other aircraft with N1521G

- [Registered now](https://openairdocs.org/aircraft/N1521G): Firefly Balloons FIREFLY 8B, S/N F8B-2029, built 2003

---
OpenAirDocs.org is an independent research project of [Contrail Labs](https://contraillabs.com/). It is not affiliated with the FAA or the NTSB. Source documents are U.S. government works in the public domain.