The mission rThe mission requirements were given in 1966 by Frank Kolk, an American Airlines executive, for a Boeing 727 replacement on busy short- to medium-range routes such as US transcontinental flights. His brief included a passenger capacity of 250 to 300 seated in a twin-aisle configuration and fitted with two engines, with the capability of carrying full passengers without penalty from high-altitude airports like Denver. American manufacturers responded with widebody trijets, the McDonnell Douglas DC-10 and the Lockheed L-1011 Tristar, as twinjets were banned from many routes by the FAA.French president Charles de Gaulle resented the US domination of civil aviation and wanted a European airliner that could compete with American designs.[citation needed] Concorde was part of the answer, designed for intercontinental routes; the other was the A300, designed to meet Kolk's US domestic requirementsequirements were given in 1966 by Frank Kolk