What is a possible consequence of rejecting a takeoff?

Rejecting a takeoff can lead to hot brakes as one of its primary consequences. When a pilot decides to abort a takeoff, the aircraft is typically brought to a halt using the brakes. Depending on the speed at which the aircraft was moving before the rejection, the braking process can generate significant heat. This is especially true if the aircraft was at a high speed when the brakes were engaged. Overheated brakes can become less effective and may even lead to brake failure if the temperature exceeds safe limits.

While other options might seem relevant to various aspects of aviation, they do not directly relate to the immediate consequences of rejecting a takeoff. Improved landing performance, increased fuel efficiency, and enhanced flight management reflect broader operational efficiencies or improvements but do not specifically result from the action of aborting a takeoff. Thus, hot brakes is the most direct and notable consequence in this context.