How does aircraft configuration impact landing distance?

Aircraft configuration has a profound impact on landing distance, primarily through the use of wing flaps and landing gear position. Flaps increase the wing's camber and surface area, which enhances lift at lower speeds. When flaps are extended, it allows the aircraft to fly at a lower speed during the landing approach, thereby reducing the landing distance required.

Additionally, the position of the landing gear can influence drag. When the landing gear is down, the aircraft experiences increased drag, which contributes to deceleration upon touchdown. This drag can help shorten the landing roll, provided the aircraft is properly configured for landing with both flaps and gear in the correct positions.

Thus, the correct answer highlights that various aircraft configurations, including flap settings and gear position, play a crucial role in determining landing distances. This underscores the importance of understanding how these elements interact with an aircraft's performance during the landing phase.