N399KK - 2003 Sikorsky S-76C Aircraft Registration

N399KK is a 2003 Sikorsky S-76C, a twin-engine turbo-shaft aircraft registered in the United States. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on March 28, 2006. The registration certificate was issued on October 10, 2024. The registration is set to expire on October 31, 2031. Powered by a Turbomeca ARRIEL 2S1 engine producing 833 horsepower, N399KK is. The aircraft's Mode S transponder code is A4A523 (hex), used for ADS-B identification and flight tracking. N399KK was last tracked by AviatorDB at coordinates 41.0613, -73.7086 on March 17, 2026. The FAA registry record for N399KK was last updated on October 10, 2024. 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-76C model.

AviatorDB has found no NTSB accident or incident reports involving N399KK. 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.