What are the yellow hooks on wings for?
What are the yellow hooks on wings for? Yellow hooks on the wings They're an anchor for ropes, which passengers use to steady and pull themselves across the wing especially during a water landing. The ropes and hooks can also be used to tether rafts to the plane so they don't float away as passengers board.
Why are the lights dimmed always during takeoff and landing?
The dimming of cabin lights only happens when it is dusk, dawn or dark outside the aircraft. This is a safety measure, and is to ensure your eyes are adjusted to the gloom enough to see the floor lights leading you to safety along the aisle in the event of a crash or emergency evacuation.
Why are airplane wings teardrop shaped?
Airplanes' wings are curved on top and flatter on the bottom. That shape makes air flow over the top faster than under the bottom. As a result, less air pressure is on top of the wing. This lower pressure makes the wing, and the airplane it's attached to, move up.
Why don t 777 have winglets?
If winglets are so great, why don't all airplanes have them? Because winglets are a tradeoff: In the highly visible case of the 777, an airplane with exceptionally long range, the wings grew so long that folding wingtips were offered to get into tight airport gates.