N121WW - 2021 Arensmeyer Walter W SA-300 Starduster TO Aircraft Registration

N121WW is a 2021 Arensmeyer Walter W SA-300 STARDUSTER TO, a single-engine reciprocating (piston) aircraft registered to Arensmeyer Michael W in Longmont, CO. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on April 28, 2021. The registration certificate was issued on January 15, 2022. The registration is set to expire on January 31, 2029. Powered by a Lycoming IO-360-C1D6 engine producing 200 horsepower, N121WW is. The aircraft's Mode S transponder code is A05972 (hex), used for ADS-B identification and flight tracking. The FAA registry record for N121WW was last updated on November 19, 2025. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Arensmeyer Walter W is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Arensmeyer Walter W aircraft currently registered in the FAA database, including the SA-300 STARDUSTER TO model.

AviatorDB has found no NTSB accident or incident reports involving N121WW. 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.