Aircraft Description
N633AK is a 2025 Robinson Helicopter R44 II, a single-engine reciprocating (piston) aircraft registered to Alpha Aviation LLC in Anchorage, AK. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on September 11, 2025. The registration certificate was issued on February 28, 2026. The registration is set to expire on February 28, 2033. Powered by a Lycoming IO-540-AE1A5 engine producing 260 horsepower, N633AK is. The aircraft's Mode S transponder code is A848EB (hex), used for ADS-B identification and flight tracking. N633AK was last tracked by AviatorDB near Brandywine Regional Airport (KOQN) on March 20, 2026. The FAA registry record for N633AK was last updated on February 28, 2026. 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 N633AK. 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.
Registered Owner
Powerplant & Avionics
Additional Details
Last Known Position
Data Source
Data provided by the US Federal Aviation Administration. View on FAA.gov
Last updated: 2026-04-01 01:32:20 UTC