The four-engine Airbus A340 was one of the most striking airliners of its generation. Between 1991 and 2011, nearly 400 examples of this long-haul widebody jet were built, spread across four variants. However, all four of these were dedicated passenger-carrying versions of the aircraft. Airbus has produced cargo variants of several of its other designs, so why not the A340? (simpleflying.com) 更多...