How does flap setting influence landing approach speed and landing distance?

How does flap setting influence landing approach speed and landing distance?

• A. Larger flap settings increase approach speed and increase landing distance.
• B. Larger flap settings reduce approach speed and stall speed, typically reducing landing distance when used correctly.
• C. Flap setting has no effect on approach speed or landing distance.
• D. Flaps only affect climb performance; not landing.

Answer: (C)

Flaps change the wing’s lift and drag characteristics. When you extend flaps, the wing generates more lift at a given airspeed, and the stall speed drops. That means you can fly slower without losing lift. Because you can approach at a lower indicated speed, the airplane’s kinetic energy on touchdown is reduced, which generally helps shorten the landing distance if you’re managing the energy and descent correctly. The added flap drag also helps you control the descent rate and maintain a stable approach at that slower speed. So, using larger flap settings typically reduces approach speed and, when used properly, reduces landing distance.

Flaps change the wing’s lift and drag characteristics. When you extend flaps, the wing generates more lift at a given airspeed, and the stall speed drops. That means you can fly slower without losing lift. Because you can approach at a lower indicated speed, the airplane’s kinetic energy on touchdown is reduced, which generally helps shorten the landing distance if you’re managing the energy and descent correctly. The added flap drag also helps you control the descent rate and maintain a stable approach at that slower speed. So, using larger flap settings typically reduces approach speed and, when used properly, reduces landing distance.