What is the initial power management requirement when transitioning from a 45KT headwind to a 5KT headwind?

When transitioning from a 45-knot headwind to a 5-knot headwind, the initial power management requirement is to set a higher than normal power setting. This is due to the significant decrease in aerodynamic drag and the change in the aircraft's performance characteristics.

In a strong headwind, the aircraft requires less power to maintain a given airspeed because the wind is contributing to lift and minimizing the effects of drag. However, once that headwind is reduced to a lighter wind condition, the aircraft can quickly gain speed, and you must compensate for this change in aerodynamic environment by increasing the power setting to ensure safe and controlled flight.

This increases the thrust needed to maintain desired performance metrics, particularly when in a climbing or accelerating phase. Such an adjustment helps prevent a drop in altitude or airspeed that could result from the reduced headwind assistance.