Downloadable software application for smartphones to assist pilots in avoiding collision with terrain; Downloadable computer programs for determining and displaying minimum safe altitude information for aircraft pilots and manuals sold therewith

Downloadable software application for smartphones to assist pilots in avoiding collision with terrain; Downloadable computer programs for determining and displaying minimum safe altitude information for aircraft pilots and manuals sold therewith

computer programs for determining and displaying minimum safe altitude information for aircraft pilots and manuals sold therewith