N351SL - 2018 Scaled Composites LLC 351 Aircraft Registration

N351SL is a 2018 Scaled Composites LLC 351, a 6-engine turbo-fan aircraft registered to Bank of Utah Trustee in Salt Lake City, UT. This aircraft holds a experimental airworthiness certificate issued by the Federal Aviation Administration on April 30, 2025. The registration certificate was issued on November 5, 2019. The registration is set to expire on November 30, 2029. Powered by a P & W PW4056 engine producing 56750 pounds of thrust, N351SL is. The aircraft's Mode S transponder code is A3EA1F (hex), used for ADS-B identification and flight tracking. N351SL was last tracked by AviatorDB near Mojave Airport (KMHV) on July 10, 2025. The FAA registry record for N351SL was last updated on September 15, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Scaled Composites Model 351 Stratolaunch, nicknamed "Roc," represents the world's largest aircraft by wingspan and the most ambitious air-launch platform ever constructed. First flown on April 13, 2019, it is a twin-fuselage, all-composite aircraft powered by six Pratt & Whitney PW4056 turbofan engines, designed to carry 550,000-pound rocket payloads to launch altitude. With its record-breaking 385-foot wingspan and maximum takeoff weight of 1.3 million pounds, only one example was built by Scaled Composites at Mojave Air and Space Port. AviatorDB tracks 11 Scaled Composites LLC aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is SLCH.

AviatorDB has found no NTSB accident or incident reports involving N351SL. 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.