N55LL - 1981 Mooney M20J Aircraft Registration

N55LL is a 1981 Mooney M20J, a single-engine reciprocating (piston) aircraft registered to Cosmo Air LLC in Dayton, OH. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on June 11, 1996. The registration certificate was issued on February 15, 2006. The registration is set to expire on July 31, 2029. Powered by a Lycoming I0360 SER A&C engine producing 200 horsepower, N55LL is. The aircraft's Mode S transponder code is A6FE17 (hex), used for ADS-B identification and flight tracking. N55LL was last tracked by AviatorDB near Dayton-wright Brothers Airport (KMGY) on February 21, 2026. The FAA registry record for N55LL was last updated on August 18, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Mooney M-20, the fastest single-engine piston aircraft of its era, revolutionized efficient personal aviation when it first flew in September 1953. This low-wing, four-seat monoplane featured laminar-flow airfoils and innovative wooden construction that achieved speeds exceeding 200 miles per hour. Over 11,000 M-20s have been manufactured across 17 variants since production began in 1955, making it the most successful design by Al Mooney. The aircraft was produced by Mooney Aircraft Company in Kerrville, Texas. AviatorDB tracks 5,689 Mooney aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is M20P.

AviatorDB has found no NTSB accident or incident reports involving N55LL. 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.