GPS raises a card the portable units changed the industry of the aviation radically
. The portable GPS is a product of the avionics of the summit. Can beat the peace of mind that this big system of the navigation gives to a pilot little. The units modern portable GPS have full data bases with easy update that uses a burst of the plug-in or PC. Some of these models not only spectacle you the path to the nearest airport (an accessible feature in time of an emergency), but even calculates an approximate approach path of the centerline spread of the takeoff track.