Which of the following statements regarding Reverse operation is incorrect?

The statement that suggests oil is dumped from the propeller governor during reverse operation is incorrect. In reverse operation, the propeller's pitch is adjusted to create thrust in the opposite direction, which does not involve 'dumping' oil from the governor. Instead, the governor's primary role is to maintain the proper propeller blade angle and RPM based on the power settings and operating conditions. The mechanism operates to increase the blade pitch to fine or coarse settings, which allows for the desired thrust reversal effect without discarding oil.

When examining the context of reverse operation, it is important to note that the other statements reflect truths about its functionality. For instance, when an aircraft engages reverse thrust, it does slow down effectively, utilizing the propeller's pitch to create drag. Additionally, managing throttle settings is crucial in reverse operations to ensure that the thrust is properly controlled and does not exceed safe limits. Finally, reverse thrust can indeed play a role in landing approaches by helping to decelerate the aircraft, contributing to the overall safety and efficiency of landing procedures.