N139G - 1979 Griffith-thorp T-18 Aircraft Registration

N139G is a 1979 Griffith-thorp T-18, a single-engine reciprocating (piston) aircraft registered to Mclearran Jr William C in Oro Valley, AZ. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on October 8, 1993. The registration certificate was issued on September 11, 2023. The registration is set to expire on September 30, 2030. Powered by a Lycoming 0-320 SERIES engine producing 180 horsepower, N139G is. The aircraft's Mode S transponder code is A09D36 (hex), used for ADS-B identification and flight tracking. N139G was last tracked by AviatorDB at coordinates 32.1422, -111.1750 on May 20, 2025. The FAA registry record for N139G was last updated on September 11, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Griffith-thorp is an aircraft manufacturer with aircraft registered in the FAA database tracked by AviatorDB. AviatorDB tracks 1 Griffith-thorp aircraft currently registered in the FAA database, including the T-18 model.

AviatorDB has found no NTSB accident or incident reports involving N139G. 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.