Private Pilot Private Exam

In an emergency requiring a downwind landing, what should pilots expect?

1. Slower ground speed at touchdown

2. Faster ground speed at touchdown and a longer ground roll

3. A shorter ground roll and less control

4. Higher climb rate immediately after touchdown

The correct answer is: Faster ground speed at touchdown and a longer ground roll

When performing a downwind landing, pilots should expect a faster ground speed at touchdown due to the effect of wind. As the aircraft approaches the runway, if it is aligned with the wind that is blowing towards the direction of the approach, the ground speed of the aircraft increases. This occurs because the aircraft's airspeed remains constant during the descent, while the tailwind accelerates the ground speed. The increased ground speed at the moment of touchdown leads to a longer ground roll. When the aircraft touches down with a higher speed, it requires more distance to come to a complete stop due to the forces acting against it, including inertia and the need for braking. Understanding this concept is critical for pilots when planning for a landing in such conditions, as it influences their approach and landing technique, ensuring they have adequate runway length for a safe touchdown and stop.