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Boeing 747-400: The Mega-Top (Osprey Civil Aircraft)
Boeing 747400 The MegaTop - Osprey Civil Aircraft Author:Robbie Shaw The 747-400 has been the only variant of Boeing's world famous 'Jumbo Jet' in production since 1990. Originally announced as a successor to the veteran Series -200 and -300 in May 1985, the re-engineered 747 had garnered 100+ deposits from world airlines by the time the prototype was rolled out on 26 January 1988.