# N21WR: 1990 Head Balloons AX7-77, registration cancelled 2013-10-31

- Type: Cancelled registration (FAA registry, deregistered aircraft)
- Cancelled: October 31, 2013
- Status when cancelled: Registration expired, pending cancellation
- Airframe: [Head Balloons AX7-77](https://openairdocs.org/model/head-balloons-ax7-77) (registry code 4280100)
- Engine: [NONE](https://openairdocs.org/engine/none) (registry code 00000)
- Data sheets: [TCDS A29SO](https://openairdocs.org/tcds/A29SO) (OpenAirDocs)
- Serial number: 168
- Year built: 1990
- Type of aircraft: Balloon
- Engine type: None
- Airworthiness: Standard, normal
- Airworthiness date: July 19, 1990
- Certificate issued: November 26, 1991
- Last registry action: October 2, 1998
- Mode S code: A1B92D
- Owners when cancelled: [Rinker Wesley S DBA](https://openairdocs.org/faa-owner/RINKER%20WESLEY%20S%20DBA), [Florida Baseball Schools](https://openairdocs.org/faa-owner/FLORIDA%20BASEBALL%20SCHOOLS)
- Location: [Sanford, FL](https://openairdocs.org/faa-place/FL/Sanford)
- Owner type: Individual
- Owner's area on the map: 28.7845° N, 81.2761° W: Placed by OpenAirDocs: center of Sanford, FL, within about 3 miles (OpenAirDocs). The owner's mailing address, not where the aircraft was based
- The mark today: https://openairdocs.org/aircraft/N21WR
- FAA registry: https://registry.faa.gov/AircraftInquiry/Search/NNumberResult?nNumberTxt=21WR
- Page: https://openairdocs.org/deregistered/N21WR-2013-10-31

From the FAA registry file of November 3, 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 Head Balloons AX7-77: https://openairdocs.org/model/head-balloons-ax7-77.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 CHI94LA284](https://openairdocs.org/ntsb/CHI94LA284), Jun 25, 1994: Head Balloons AX7-77 (N21WR), West Chicago, IL, no damage. Probable cause: the pilot's failure to maintain proper descent rate.

## 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 19940625048539A](https://openairdocs.org/incident/19940625048539A), Jun 25, 1994: Thundr AX777 (N21WR), West Chicago, IL. Balloon oscillated prior impacting a dirt mound on landing a passenger fractured an ankle.

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