N668TM - 2002 Robinson Helicopter R44 Aircraft Registration

N668TM is a 2002 Robinson Helicopter R44, a single-engine reciprocating (piston) aircraft registered to Alpha Helicopters LLC in Livingston, TN. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on February 24, 2023. The registration certificate was issued on September 1, 2024. The registration is set to expire on September 30, 2031. Powered by a Lycoming O-540-F1B5 engine producing 260 horsepower, N668TM is. The aircraft's Mode S transponder code is A8D3A6 (hex), used for ADS-B identification and flight tracking. N668TM was last tracked by AviatorDB at coordinates 35.0353, -85.2038 on June 29, 2025. The FAA registry record for N668TM was last updated on September 1, 2024. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Robinson R-44 Raven revolutionized general aviation as the world's best-selling helicopter since 1999, making four-seat rotorcraft accessible to civilian operators at previously unattainable prices. First flown on March 31, 1990, it featured a single six-cylinder Lycoming piston engine powering a four-seat enclosed cabin with hydraulically-assisted flight controls. With a maximum speed of 135 mph and range of 350 nautical miles, the R-44 delivered turbine-like performance at piston operating costs. Robinson Helicopter Company of Torrance, California has produced over 6,800 units since 1993, establishing the aircraft as one of the most successful general aviation designs of the 21st century. AviatorDB tracks 1,247 Robinson Helicopter aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is R44.

AviatorDB has found no NTSB accident or incident reports involving N668TM. 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.