# N4037Z: Balloon Works FIREFLY 7, registration cancelled

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: date not recorded
- 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: 7802
- Type of aircraft: Balloon
- Mode S code: A4BB2B
- The mark today: https://openairdocs.org/aircraft/N4037Z
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4037Z
- Page: https://openairdocs.org/deregistered/N4037Z-undated

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 N4037Z

- [Cancelled 2018-01-03](https://openairdocs.org/deregistered/N4037Z-2018-01-03): Coe John W VP-1, S/N 1182RR, built 2007. Registration expired, pending cancellation. Owner: [Mahoney Robin F](https://openairdocs.org/faa-owner/MAHONEY%20ROBIN%20F), [Foresthill, CA](https://openairdocs.org/faa-place/CA/Foresthill)
- [Cancelled 1999-11-12](https://openairdocs.org/deregistered/N4037Z-1999-11-12): Robinson Helicopter R22 BETA, S/N 1597. Exported to New Zealand. Owner: [Robinson Helicopter Co](https://openairdocs.org/faa-owner/ROBINSON%20HELICOPTER%20CO), [Torrance, CA](https://openairdocs.org/faa-place/CA/Torrance)

---
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.