N172AC - 1968 Sikorsky S-64E Aircraft Registration

N172AC is a 1968 Sikorsky S-64E, a twin-engine turbo-shaft aircraft registered to Helicopter Express LLC in Chamblee, GA. This aircraft holds a multiple airworthiness certificate issued by the Federal Aviation Administration on November 28, 2011. The registration certificate was issued on December 6, 2023. The registration is set to expire on December 31, 2030. Powered by a P & W JFTD12A-4A engine producing 4500 horsepower, N172AC is. The aircraft's Mode S transponder code is A1209E (hex), used for ADS-B identification and flight tracking. N172AC was last tracked by AviatorDB at coordinates 37.2493, 27.6640 on June 21, 2025. The FAA registry record for N172AC was last updated on December 6, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

Sikorsky Aircraft, a Lockheed Martin company based in Stratford, Connecticut, manufactures military and commercial helicopters. Known for the UH-60 Black Hawk and S-76 series, Sikorsky has been a leading rotorcraft manufacturer since 1923. AviatorDB tracks 843 Sikorsky aircraft currently registered in the FAA database, including the S-64E model.

AviatorDB has found no NTSB accident or incident reports involving N172AC. 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.