Interesting facts:
• A 747-400 has six million parts, half of which are fasteners.
• Seventy-five thousand engineering drawings were used to produce the first 747.
• The 747 fleet has logged more than 42 billion nautical miles (77.8 billion kilometers), equivalent to 101,500 trips from the Earth to the moon and back.
• For a typical international flight, one 747 operator uses about 5.5 tons (5,000 kg) of food supplies and more than 50,000 in-flight service items.
• Four World War I vintage JN4-D "Jenny" airplanes could be lined up on each of the Boeing 747 wings.