# N4066T: 1979 Balloon Works FIREFLY 7, registration cancelled 2012-11-19

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: November 19, 2012
- 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: 10020
- Year built: 1979
- Type of aircraft: Balloon
- Engine type: None
- Airworthiness: Standard, balloon
- Airworthiness date: October 24, 1979
- Certificate issued: August 9, 1983
- Last registry action: November 17, 2009
- Mode S code: A4C627
- Owner when cancelled: [Bentley Roger L](https://openairdocs.org/faa-owner/BENTLEY%20ROGER%20L)
- Location: [Vinton, IA](https://openairdocs.org/faa-place/IA/Vinton)
- Owner type: Individual
- Owner's area on the map: 42.1722° N, 92.0093° W: Placed by OpenAirDocs at the center of ZIP code 52349, within about 7 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N4066T
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=4066T
- Page: https://openairdocs.org/deregistered/N4066T-2012-11-19

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

## 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 MKC84LA276](https://openairdocs.org/ntsb/MKC84LA276), Sep 11, 1984: Balloon Works Firefly 7 (N4066T), Cedar Rapids, IA, 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 19840911048089A](https://openairdocs.org/incident/19840911048089A), Sep 11, 1984: Balwks FIREFLY7 (N4066T), Cedar Rapids, IA, Substantial damage. Switched to an empty tank while landing in a farm field. Was unable to apply heat to miss a powerline.

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