Which Boeing plane is the fastest?

The Boeing 747-8i is currently the fastest wide-body aircraft in the world. The reason for the cruising speed of an impressive 1,060 km/h is mainly the modern technology used here. Boeing has perfected the design so that the aircraft has the best flight characteristics.



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Boeing 747-400 – Mach 0.92 (705.89656 mph) The fastest commercial airliner in the world in regards to maximum speed is the wide-bodied, four-engine Boeing 747-400. Boeing's bestselling 747 model offers airlines a number of technological and structural improvements over previous models like the 747-300.

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The SR-71 would be a high-speed record-setter for a plane that can take off and land on its own. However, the fastest manned 'plane' ever would be the North American X-15 at Mach 6.7 (6.7x the speed of sound), or in other words 7274km/h, or 4520mph. The record for the fastest plane is the X-15A2.

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Mach 10 speed has never been achieved by a manned aircraft, though, so it has never been tested. Mach 10 has, however, been achieved by a spacecraft - on November 16, 2004, NASA launched the X-43A, an air-breathing hypersonic vehicle, and was able to reach real Mach 10 while being pushed into the atmosphere.

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Rockets definitely fly faster than jets. A supersonic airplane can fly faster than the speed of sound (1,236 kmh or 768 mph). The SR-71 Blackbird holds the record for fastest jet, flying at 3,418 kmh (2,124 mph). The Space Shuttle, though, accelerates to 29,000 kmh!

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This high aspect ratio wing design combined with efficiency enhancing raked wing tips allow the 787 to be one of the fastest commercial aircraft (Mach 0.85 cruise speed) while consuming less fuel than today's comparably sized aircraft.

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So which aircraft is best? Overall, most people would probably find the 787 a more comfortable experience. The general cabin improvements and newer technology are an excellent addition.

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However, with ongoing research and development in supersonic flight, the future may see a return to faster air travel that balances speed, efficiency, and environmental considerations.

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A Mach number is the ratio of an object's speed in a given medium to the speed of sound in that medium. Mach 1, then, is the speed of sound, around 761 mph at sea level on a standard day. The term is also used as a metaphor for high speeds more generally.

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The shortest commercial flight in the world is a 1.7-mile route between two Scottish islands. The flight between Westray and Papa Westray near the mainland of Orkney lasts just 57 seconds. It is used by local islanders and even the local banker.

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Maverick breaks the Mach 10 speed barrier in the movie, a speed that is practically impossible for a human to achieve due to extreme G-forces and potential damage to the body. The real-life SR-72, which the Darkstar prototype is based on, is under development but won't come close to the Mach 10 speed seen in the film.

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According to the requirements specified in the FAA Type Certificate Data Sheet (pertinent excerpts shown below) the B737-800 requires a minimum flightcrew of 2 - a Pilot and Copilot.

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