How does density altitude affect landing distance?

Density altitude is an important factor in aviation, particularly during the landing phase of flight. As density altitude increases, the air becomes less dense. This has several implications for aircraft performance.

When density altitude is higher, the aircraft's engines produce less thrust, and the wings generate less lift at a given airspeed. As a result, the takeoff and landing distances required by the aircraft increase. A less dense atmosphere means that the aircraft requires more runway to achieve the necessary lift for landing. This situation is especially critical at hot temperatures or high elevations, where density altitude can significantly exceed actual altitude.

In summary, as density altitude increases, the landing distance of an aircraft also increases due to the reduced engine performance and lift generation in less dense air, making the correct answer to how density altitude affects landing distance clear.