Aircraft Description
N6858C is a 1978 Cessna 421C, a twin-engine reciprocating (piston) aircraft registered to Sns Air LLC in Billings, MT. This aircraft holds a standard airworthiness certificate issued by the Federal Aviation Administration on March 10, 1978. The registration certificate was issued on August 3, 2016. The registration is set to expire on August 31, 2029. Powered by a Cont Motor GTSI0-520-F-K engine producing 435 horsepower, N6858C is. The aircraft's Mode S transponder code is A9193D (hex), used for ADS-B identification and flight tracking. N6858C was last tracked by AviatorDB near Billings Logan International Airport (KBIL) on March 19, 2026. The FAA registry record for N6858C was last updated on August 25, 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 N6858C. 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