Aircraft Description
N421MT is a 1979 Thunder Balloons Limited AX7-77, a none aircraft registered to Wind Surfer Ballooning LLC in Carlisle, IA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on April 18, 1979. The registration certificate was issued on March 24, 2020. The registration is set to expire on March 31, 2030. Powered by a None NONE engine, N421MT is. The aircraft's Mode S transponder code is A5007B (hex), used for ADS-B identification and flight tracking. The FAA registry record for N421MT was last updated on October 13, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
Thunder Balloons Limited is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 14 Thunder Balloons Limited aircraft currently registered in the FAA database, including the AX7-77 model.
AviatorDB has found no NTSB accident or incident reports involving N421MT. AviatorDB cross-references all FAA registration data with NTSB accident and incident reports, providing a comprehensive safety overview for every registered aircraft in the United States.
Registered Owner
Powerplant & Avionics
Additional Details
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-05-01 01:32:20 UTC