electronic horizontal-situation indicator

electronic horizontal-situation indicator

[i‚lek′trän·ik ‚här·ə′zänt·əl ‚sich·ə¦wā·shən ‚in·də‚kād·ər] (navigation) An integrated multicolor map display of an airplane's position combined with a color weather radar display, with a scale selected by the pilot, together with information on wind direction and velocity, horizontal situation, and deviation from the planned vertical path. Abbreviated EHSI.