A method and apparatus for building, creating, or otherwise specifying an airport ground taxi navigation route for an aircraft from an input of the route is disclosed. The apparatus includes a keypad, voice recognition device, or other entry device, a processor, a display screen, and a navigation map...http://www.google.ca/patents/US20090306887?utm_source=gb-gplus-sharePatent US20090306887 - System and Method for Taxi Route Entry Parsing