N551X - 2021 Thomas N Helm Sonex Onex Aircraft Registration

N551X is a 2021 Thomas N Helm SONEX ONEX, a single-engine reciprocating (piston) aircraft registered to Helm Thomas N in Neenah, WI. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on June 17, 2021. The registration certificate was issued on May 12, 2020. The registration is set to expire on May 31, 2027. Powered by a Aeroconver AEROVEE engine producing 80 horsepower, N551X is. The aircraft's Mode S transponder code is A7052F (hex), used for ADS-B identification and flight tracking. N551X was last tracked by AviatorDB near Appleton International Airport (KATW) on March 9, 2026. The FAA registry record for N551X was last updated on January 22, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Thomas N Helm is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Thomas N Helm aircraft currently registered in the FAA database, including the SONEX ONEX model.

AviatorDB has found no NTSB accident or incident reports involving N551X. 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.