The pitot-static system instruments and equipment consists of two airspeed indicators, two altimeters and two vertical velocity indicators, all installed on the main instrument panel. Two pitot-static tubes mounted on masts on the underside of the fuselage nose section. The static selector control switch is mounted on the main instrument panel, provides for selection of an alternate static source, in the event of malfunctioning of the normal static source. The pitot-static tubes are protected from ice by integral heating elements.
