N90MK - 1977 Cessna 421C Aircraft Registration

N90MK is a 1977 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Bs LLC in Huntsville, TX. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on March 28, 1977. The registration certificate was issued on January 23, 2023. The registration is set to expire on January 31, 2030. Powered by a Cont Motor GTSI0-520-F-K engine producing 435 horsepower, N90MK is. The aircraft's Mode S transponder code is AC6DF0 (hex), used for ADS-B identification and flight tracking. N90MK was last tracked by AviatorDB at coordinates 30.3775, -95.4321 on March 10, 2026. The FAA registry record for N90MK was last updated on September 30, 2023. AviatorDB monitors aircraft positions through ADS-B surveillance data and updates records as new position data is received.

The Cessna 421 Golden Eagle was a pressurized twin-engine aircraft that brought high-altitude comfort to the business aviation market at a fraction of turboprop costs. First flown on May 1, 1967, it was a low-wing monoplane powered by two Continental GTSIO-520 turbocharged engines, seating six to eight occupants. With a service ceiling of 30,000 feet and cruise speed of 277 mph, the 421 spanned 43 feet 2 inches with a length of approximately 39 feet. Cessna Aircraft Company manufactured 1,901 examples between 1967 and 1985. AviatorDB tracks 80,556 Cessna aircraft currently registered in the FAA database. The ICAO type designator for this aircraft model is C421.

AviatorDB has found no NTSB accident or incident reports involving N90MK. 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.