N636DD - 2001 Robinson Helicopter R44 Aircraft Registration

N636DD is a 2001 Robinson Helicopter R44, a single-engine reciprocating (piston) aircraft registered to Alba Aviation Services INC in Scottsdale, AZ. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on January 15, 2001. The registration certificate was issued on July 19, 2010. The registration is set to expire on October 31, 2027. Powered by a Lycoming 0-540F1 SERIE engine producing 260 horsepower, N636DD is. The aircraft's Mode S transponder code is A85455 (hex), used for ADS-B identification and flight tracking. N636DD was last tracked by AviatorDB near Scottsdale Airport (KSDL) on March 18, 2026. The FAA registry record for N636DD was last updated on March 24, 2023. 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 N636DD. 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.