What should be done in a climb-to-cruise transition prior to reaching cruise airspeed?

In a climb-to-cruise transition, it is essential to manage the aircraft's airspeed effectively to ensure a smooth and safe transition to cruise flight. Reducing power a few knots before reaching the target cruise airspeed helps to avoid overspeeding the aircraft and ensures that you are in control as you approach the desired flight configuration. This technique allows for a gradual and controlled reduction in power, which can help maintain a stable climb attitude until the appropriate airspeed is achieved.

As you transition, avoiding abrupt changes to the aircraft's configuration is crucial. For instance, immediately reducing flaps may not be the safest choice, as it can lead to a sudden loss of lift and potential control issues. Similarly, increasing engine speed to maximum can create an excessive rate of climb or overspeed the aircraft, which could lead to unfavorable flight conditions. Adjusting trim for landing configuration is also inappropriate during this phase, as the focus should be on maintaining and stabilizing cruise flight rather than preparing for landing. Therefore, the recommendation to reduce power early ensures safety and stability in the climb-to-cruise transition.