The MXS is a single-seater aerobatic aircraft built by MX Aircraft, a manufacturer located in North Carolina. The MXS-R is a race variant flown by several pilots in the Red Bull Air Race World Championship. The planes are all-composite in construction, piston-powered, low-wing monoplanes. The two-seat version is called MX2 and has reached notable fame, becoming vice-world aerobatics advanced champion in 2010.