Aircraft Description
N66SA is a 2024 Robinson Helicopter Co R66, a single-engine turbo-shaft aircraft registered to Sierra Alpha Helicopters LLC in Dover, MA. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on June 21, 2024. The registration certificate was issued on July 2, 2024. The registration is set to expire on July 31, 2031. Powered by a Rolls-royc 250-C300/A1 engine producing 300 horsepower, N66SA is. The aircraft's Mode S transponder code is A8B371 (hex), used for ADS-B identification and flight tracking. N66SA was last tracked by AviatorDB near Newport State Airport (KUUU) on March 2, 2026. The FAA registry record for N66SA was last updated on July 2, 2024. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.
The Robinson R-66, a revolutionary five-seat turbine helicopter, transformed the light turbine helicopter market by offering unprecedented affordability and reliability in its class. First flown on November 7, 2007, it features a single Rolls-Royce RR300 turboshaft engine producing 300 shaft horsepower, accommodating one pilot plus four passengers with a separate cargo compartment. With a main rotor diameter of 10.06 meters and fuselage length of 4.87 meters, the R-66 challenged established competitors and effectively replaced aging models like the Bell JetRanger. The aircraft is manufactured by Robinson Helicopter Company of Torrance, California. AviatorDB tracks 425 Robinson Helicopter Co aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is R66.
AviatorDB has found no NTSB accident or incident reports involving N66SA. 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