A process for generating computer flight plans on the Internet with the elements of: a raw XY&Z database of chart data, a data base containing aircraft data, a software system to create VFR, IFR and Road charts, an Internet web site accessible by a Client computer, a software system which computes flight plans requested by the Client computer, a software system which allows for navigation data and aircraft editing by means of the Internet web site Client computer, and a software system which allows for outputting flight plans by means of the Internet web site Client computer. A alternate embodiment includes wherein said elements include a local area network consisting of a service and number of local Client computers or an Intranet network which is connected by means other than wires such as infrared or radio signals. A preferred embodiment includes further comprising the step(s) of computing by means of a software systems a cross section of the flight plan and displaying same in a profile window in which the route is displayed relative to terrain elevation, obstruction elevation, airspace, weather and flight altitude.