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Essay on Display In The Cockpit Of Boeing 747-400
Launched in October 1985 the Boeing 747-400 is the most recent, modern, fuel-efficient and up to date model of the 747 family. Although its exterior is very much familiar with the -300 but many advanced technologies have been added into it, which makes it distinctive and individual among other airliners and that is why the passengers around the globe immediately recognize it.
The 747-400 model incorporates major aerodynamic improvements such as an improved Two-crew cockpit with digital avionics, there are six large CRT displays placed into these flight cockpits, accumulation of winglets to reduce drags, this is an entirely new feature not present in the airliners before -400, new avionics and advanced engines, Structural carbon brakes, optional fuel tanks one in horizontal stabilizer and one in forward cargo compartment, entirely changed interior with new in-flight entertainment systems and as much as 910,000-pounds takeoff weights capacity.
It took his first flight on 29th April 1988 and received the award of US certification in January 1989.Its speed can be compared with the speed of sound, as it is the world's fastest subsonic jetliner that cruises at Mach .855 which is 85.5 percent of the speed of sound.
Boeing747-400 is constructed with the help of six million parts with 16 main landing gear tires and two nose landing gear tires. The size of its wing is 5,600 square feet (524.9 sq m), an area capable of holding 45 medium-sized automobiles. The height of its tail is 63 feet 8 inches or 19.4 m, which is equivalent to the height of a six-story building.
A large number of engineers were hired and employed for the construction of Boeing 747-400, the proof of which is that as much as 75000 engineering drawings were used during its creation....
