N431MS

This article concerns airframe N431MS, a 1987-built example of the Cessna S550 Citation S/II with serial number S550-0127. The airframe was manufactured by Cessna (Textron Aviation) and retains configuration and performance characteristics consistent with its original production standard. Publicly available registry and ownership details beyond the construction year and serial are not published for this specific airframe in the supplied data. Condition, valuation history, and operator base details are not published in the provided dataset.

The cabin of this airframe is described as a typical executive 6–8-place executive layout, configured to carry up to 8 occupants in an executive arrangement suitable for corporate or private transport. Specific avionics fit, galley configuration, in-flight entertainment, or furnishings for N431MS are not published in the supplied material; therefore, no unique aftermarket modifications or special amenity packages are asserted here. Mission profiles enabled by the airframe’s specifications typically include medium-range business travel up to the published range of 1,998 nm and high-speed cruise trips at approximately 403 kts, operating into regional and medium-size airports while utilizing a service ceiling of 43,000 ft. Detailed maintenance status, operator base, and recent registry actions for this serial-marked aircraft are not published in the supplied data.

This specific airframe is an example of the Citation S/II S550 family, built in 1987 by Cessna (Textron Aviation) and powered by twin Pratt & Whitney Canada JT15D-4B turbofans rated at 2,500 lbf each. The performance figures for this aircraft—near 400-knot cruise, roughly 2,000 nm range, and a 43,000 ft ceiling—place it in the light-to-lower-mid business jet performance band for its era, suited to short- to medium-haul executive missions and point-to-point business travel. Buyers and operators evaluating examples of this model typically consider age-related maintenance, avionics upgrade needs, and the impact of airframe serial and maintenance history on resale; however, specific resale or maintenance considerations for S550-0127 are not published in the provided information.