The Skymap IIIC is a portable GPS with moving map, topographical information (colour contours) and AND mapping with four levels of roads for precise navigation. It has extensive user defined waypoint storage and flight planning capability, plus many other features including; simplified joystick data entry and point interrogation, split screen navigation modes, trip/fuel planning, vertical navigation, wind calculation, note pad function, auto zoom, extended track, emergency search, emergency airfield minimum criteria, unique user defined airfields, map customisation, map configuration, choice of map datums and turning point arrival and marker annunciation. Multilingual capability.