N4221U - 1964 Cessna 150D Aircraft Registration

N4221U is a 1964 Cessna 150D, a single-engine four-cycle piston aircraft registered to Mcwilliams Robert P in Belgrade, MT. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on July 7, 2003. The registration certificate was issued on November 5, 2001. The registration is set to expire on January 31, 2029. Powered by a Subaru ALL MDLS A/B engine producing 400 horsepower, N4221U is. The aircraft's Mode S transponder code is A5059B (hex), used for ADS-B identification and flight tracking. N4221U was last tracked by AviatorDB at coordinates 42.9405, -78.7322 on June 30, 2025. The FAA registry record for N4221U was last updated on July 7, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna A150 Aerobat was a specialized aerobatic trainer variant of the popular Cessna 150, designed to democratize aerobatic instruction for civilian pilots. First flown in prototype form on September 12, 1957, it was a high-wing, single-engine monoplane that seated two occupants and featured structural reinforcements for +6/-3G aerobatic maneuvers. With a wingspan of 32 feet 9 inches and powered by a 100-horsepower Continental O-200 engine, the aircraft served flight schools worldwide from 1969 to 1977. The A150 Aerobat was manufactured by Cessna Aircraft Company of Wichita, Kansas. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C150.

AviatorDB has found no NTSB accident or incident reports involving N4221U. 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.