Airplane Facts
Here are some Airplane Facts:
1. The first United States coast to coast airplane flight occurred in 1911 and took 49 days
2. When airplanes were still a novel invention, seat belts for pilots were installed only after the consequence of their absence was observed to be fatal – several pilots fell to their deaths while flying upside down
3. An airplane’s “blackboxâ€â€˜ is a device which records conditions and events on an air vessel. A “blackbox†is actually orange in color to make it more visible in the wreckage. The term black box might come from its charred appearance after an air crash
4. A 747-400 has six million parts (half of which are fasteners) made in 33 different countries
5. Seventy-five thousand engineering drawings were used to produce the first 747
6. The outer skin of an aeroplane is only 5 mm thick. Only 7.5 in (19 cm) separate the passengers from the outside
7. During takeoff, when full of high pressure air, the takeoff weight is increased by about a ton
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