abstract:Although runway length may be of some academic interest, in terms of usability for airline operations, a runway of at least in length is usually adequate for aircraft weights below approximately . Larger aircraft including widebodies (Boeing 747, 767, 777, and 787); Airbus A310, A330, A340, A350, and A380; McDonnell Douglas DC-10 or MD-11; and the Lockheed L1011 will usually require at least at sea level and somewhat more at higher elevation airports.