What is the yellow hook on the aircraft wing?
What is the yellow hook on the aircraft wing? From Wikipedia, these are for overwing exits. The use of overwing exits in a ditching varies from airline to airline. On aircraft fitted with overwing exits, there is typically a raised escape rope bracket (about a third of the way from the door) attached to the wing's upper surface and typically painted yellow.
Why do jets fly at 35000 feet?
The biggest reason for flying at higher altitudes lies in fuel efficiency. The thin air creates less drag on the aircraft, which means the plane can use less fuel in order to maintain speed. Less wind resistance, more power, less effort, so to speak.
Why do planes not flap their wings?
Short answer: Because planes are larger than birds. Flying by flapping their wings works very well for birds and insects. Machines that fly this way, known as ornithopters, have been built, some large enough to carry a man. But larger than that and the laws of physics become a serious problem.