# N7021U: not currently registered

- Registered now: No (not in the FAA registry file). The mark may be reserved or free to assign
- Earlier aircraft: 2
- Last cancelled: June 26, 2014
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=7021U
- Page: https://openairdocs.org/aircraft/N7021U

## Aircraft that carried N7021U

- [Cancelled 2014-06-26](https://openairdocs.org/deregistered/N7021U-2014-06-26): Balloon Works FIREFLY 11, S/N F11-006, built 1999. Owner: [Mars Leasing Co Inc](https://openairdocs.org/faa-owner/MARS%20LEASING%20CO%20INC), [Scottsdale, AZ](https://openairdocs.org/faa-place/AZ/Scottsdale)
- [Cancelled 1996-04-18](https://openairdocs.org/deregistered/N7021U-1996-04-18): Boeing 727-22, S/N 18313. Triennial form not returned. Owner: [Aero Controls Inc](https://openairdocs.org/faa-owner/AERO%20CONTROLS%20INC), [Auburn, WA](https://openairdocs.org/faa-place/WA/Auburn)

## NTSB investigations on N7021U (2)

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 LAX04CA003](https://openairdocs.org/ntsb/LAX04CA003), Sep 28, 2003: Balloon Works Firefly II (N7021U), Phoenix, AZ, substantial damage. Probable cause: the pilot's diverted attention that resulted in the inadequate handling of the burner during ground operations.
- [NTSB LAX99FA273](https://openairdocs.org/ntsb/LAX99FA273), Aug 19, 1999: Balloon Works Firefly 11 (N7021U), Cave Creek, AZ, minor damage. Probable cause: An unforecast encounter with a low level microburst that resulted in a distortion of the balloon envelope, an excessive outflow of hot air (loss of lift), creating an excessive rate of descent that…

## FAA accident and incident reports on N7021U (3)

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 20030928035319A](https://openairdocs.org/incident/20030928035319A), Sep 28, 2003: Balwks FIREFLY11 (N7021U), Cave Creek, AZ, Substantial damage. (-23) During landing phase, pilot engaged burner and balloon envelope caught fire. The balloon sustained substantial damage and some of the passengers received…
- [Accident 19990819024739A](https://openairdocs.org/incident/19990819024739A), Aug 19, 1999: Balwks FIREFLY11 (N7021U), Cave Creek, AZ, Minor damage. (.19) On August 19, 1999, at 0710 hours mountain standard time, a firefly 11 balloon, N7021U, landed hard in open desert terrain in Cave Creek, Arizona. The…
- [Incident 19791116055729I](https://openairdocs.org/incident/19791116055729I), Nov 16, 1979: Boeing 72722 (N7021U), Moline, IL. Lost "a" system hydraulic pressure on approach. Replaced flap flow control valve, hydraulic pumps and filters.

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