An overlay diagram showing four of the largest wide-body aircraft ever built, the Hughes H-4 Hercules (the "Spruce Goose", the aircraft with the greatest wingspan), the Antonov An-225 Mriya (the largest freight aircraft), the Airbus A380-800 (the largest passenger aircraft), and the Boeing 747-8 Intercontinental (soon to be the largest version of the 747). Diagram credit: Clem Tillier |