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Boeing conducted a series of test flights in 2015 with a modified Boeing 757, incorporating new wing-leading-edge sections and an actively blown vertical tail. [10] The left wing was modified to include a 6.7 m-span glove section supporting a variable-camber Krueger flap to be deployed during landing, protruding just ahead of the leading edge.
Boeing 747: Corrosion in pylon fuse pin leading to metal fatigue 4 on board, 39 on ground Engine No.3 separated from its pylon which caused the adjacent engine No.4 to also fall off, taking the slats with them; stall and crash on attempted landing 1996-07-17 TWA Flight 800: Moriches Inlet, near East Moriches, New York Boeing 747: Fuel tank ...
High-lift devices compensate for this design trade-off by adding lift at takeoff and landing, reducing the speed and distance required to safely land the aircraft, and allowing the use of a more efficient wing in flight. The high-lift devices on the Boeing 747-400, for example, increase the wing area by 21% and increase the lift generated by 90 ...
Ball-Bartoe Jetwing used for blown-wing research. Note the "augmentor", intended to direct the discharged airflow over the wingWilliams [8] states some flap blowing tests were done at the Royal Aircraft Establishment before the Second World War, and that extensive tests were done during the war in Germany including flight tests with Arado Ar 232, Dornier Do 24 and Messerschmitt Bf 109 aircraft.
China Airlines Flight 611 (2002): A Boeing 747-200B disintegrated in mid-air over the Taiwan Strait due to a structural failure caused by improper repairs made following a tailstrike 22 years earlier. [7] All 225 occupants on board were killed.
Among its six active jets is one Boeing 747-400, per ch-aviation data. 88-year-old King Salman travels with a 1,500-person entourage and two Mercedes Benz limousines, The Points Guy reported.
Pratt & Whitney faced difficulties with the JT9D design during the Boeing 747 test program. Engine failures during the flight test program resulted in thirty aircraft being parked outside the factory with concrete blocks hanging from the pylons, awaiting redesigned engines. Boeing and Pratt & Whitney worked together in 1969 to solve the problem.
Advanced Supersonic Transport (AST) model in wind tunnel. The aircraft design process is a loosely defined method used to balance many competing and demanding requirements to produce an aircraft that is strong, lightweight, economical and can carry an adequate payload while being sufficiently reliable to safely fly for the design life of the aircraft.