# N21963: 2004 Firefly Balloons FIREFLY 10, registration cancelled 2008-02-13

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: February 13, 2008
- Status when cancelled: Triennial form not returned
- Airframe: [Firefly Balloons FIREFLY 10](https://openairdocs.org/model/firefly-balloons-firefly-10) (registry code 1050160)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS A14SO](https://openairdocs.org/tcds/A14SO) (OpenAirDocs)
- Serial number: F10-2006
- Year built: 2004
- Type of aircraft: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: August 8, 2005
- Certificate issued: January 6, 2005
- Last registry action: January 15, 2008
- Mode S code: A1DE37
- Owner when cancelled: [Napa Valley Balloons Inc](https://openairdocs.org/faa-owner/NAPA%20VALLEY%20BALLOONS%20INC)
- Location: [Yountville, CA](https://openairdocs.org/faa-place/CA/Yountville)
- Owner type: Individual
- Owner's area on the map: 38.3981° N, 122.3881° W: Placed by OpenAirDocs at the center of ZIP code 94599, within about 2 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21963
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21963
- Page: https://openairdocs.org/deregistered/N21963-2008-02-13

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 Firefly Balloons FIREFLY 10: https://openairdocs.org/model/firefly-balloons-firefly-10.md

## Other aircraft with N21963

- [Cancelled 1978-10-12](https://openairdocs.org/deregistered/N21963-1978-10-12): Piper PA-28-161, S/N 28-7916057, built 1978. Exported to Germany. Owner: [Globe Aero Ltd Inc](https://openairdocs.org/faa-owner/GLOBE%20AERO%20LTD%20INC), [Lakeland, FL](https://openairdocs.org/faa-place/FL/Lakeland)
- [Cancelled 1974-03-12](https://openairdocs.org/deregistered/N21963-1974-03-12): Cessna 150L, S/N 15074571, built 1973. Owner: [Cubi Point Navy Flying Club](https://openairdocs.org/faa-owner/CUBI%20POINT%20NAVY%20FLYING%20CLUB), [San Francisco, CA](https://openairdocs.org/faa-place/CA/San%20Francisco)
- [Cancelled 1947-05-01](https://openairdocs.org/deregistered/N21963-1947-05-01): Emigh-Gregg ROCKET A90, S/N 101, built 1939. Owner: [Gregg William Timothy](https://openairdocs.org/faa-owner/GREGG%20WILLIAM%20TIMOTHY), [Pueblo, CO](https://openairdocs.org/faa-place/CO/Pueblo)

---
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.