1. A 747-400 has six million parts, half of which are fasteners.
2. A 747-400 has 171 miles (274 km) of wiring and 5 miles (8 km) of tubing.
3. A 747-400 consists of 147,000 pounds (66,150 kg) of high-strength aluminum.
4. The 747-400 has 16 main landing gear tires and two nose landing gear tires.
5. The 747-400 tail height is 19.4 m, equivalent to a six-story building.
6. The 747-400 wing weighs 95,000 pounds (43,090 kg), more than 30 times the weight of the first Boeing airplane, the 1916 B&W.
7. Seventy-five thousand engineering drawings were used to produce the first 747.
8. The first 747 completed more than 15,000 hours of wind-tunnel testing.
9. The original 747 flight test program, which led to the airplane's certification for commercial service in December 1969, used five airplanes, lasted 10 months and required more than 1,500 hours of flying.
10. 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.
The 747 fleet has flown 3.5 billion people - the equivalent of more than half of the world's population.
11. The 747 fleet has flown 3.5 billion people - the equivalent of more than half of the world's population.
12. A 747-400 typically takes off at 180 mph (290 km/h), cruises at 565 mph (910 km/h) and lands at 160 mph (260 km/h).
13. 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.
14. The 747-400ER can carry more than 63,500 gallons of fuel (240,370 L), making it possible to fly extremely long routes, such as Los Angeles to Melbourne, Australia
15. A 747-400 that flies 3,500 statute miles (5,630 km) and carries 126,000 pounds (56,700 kg) of fuel will consume an average of five gallons (19 L) per mile.
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