What is the maximum flaps for takeoff?

4) Takeoff flap settings typically vary between 5-15 degrees. Aircraft use takeoff flap settings that are usually between 5-15 degrees (most jets use leading edge slats as well). That's quite a bit different than landing, when aircraft typically use 25-40 degrees of flaps.



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Pilots usually use Flaps 1 when the weather is good for flying and if the runway used is longer than needed. Flaps 2 is used usually when headwinds are not strong enough or the runway in use is not that long for a takeoff run.

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Most airlines IRL use Flaps 30 as the standard. It would go something like (1/5/15/25/30) 40 is used when there are higher wind conditions of the sort to try and stablize the aircraft on approach.

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A typical takeoff speed for a Boeing 747 is around 160 knots (184 mph), depending on the jet's wing flap configuration, the number of passengers aboard, and the weight of their luggage, fuel load, current weather conditions, and other factors. How Fast Do Airplanes Fly When Landing?

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