Which flap setting corresponds to two flaps steps, used to lose altitude quickly?

• A. No flaps
• B. One flap step
• C. Two flaps steps
• D. Three flaps steps

Answer: (C)

Flaps change wing shape to increase lift at lower speeds, but they also add drag. When you need to descend more quickly, you want enough drag to steepen the descent without pushing airspeed up or making control difficult. The two flap steps setting provides a moderate increase in flap surface and camber, giving enough drag to allow a steeper, controlled descent while keeping stall risk manageable. No flaps has the least drag and the shallowest descent; a single flap step adds some drag but not as much as two; three flap steps or more add even more drag but increase nose-down pitch and stall concerns. So the two flap steps setting is the best choice for losing altitude quickly.