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Why does the Boeing 747-400 have 3 engine types?
The Boeing 747-400, introduced in the late 1980s, represented a significant evolution of the iconic 747, featuring improved aerodynamics, advanced avionics, and substantially improved fuel efficiency.
Boeing 747-400 and the Boeing 757 variants. These aircraft defined commercial aviation in the 1980s and quickly became very popular among airlines all over the world. The Boeing 747 had been around ...
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We toured a specially modified Boeing 747 used as a 'flying laboratory' to test new jet engines. See inside.
GE Aerospace is building the world's largest jet engine for Boeing's new 777X, and it's using a giant 747 to test it. We toured the unique plane.
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