What is the definition of decision range?

The definition of decision range refers to the minimum range at which a pilot can execute a specific maneuver. This aspect is crucial in determining the capabilities and limits of a fighter aircraft during various tactical scenarios. Specifically, decision range informs pilots about when they can commit to an engagement or execute maneuvers effectively without risking a disadvantage due to range limitations. Understanding decision range allows pilots to make informed choices in combat situations, ensuring they do not exceed the bounds of their aircraft's capabilities during critical phases of flight.

In contrast, the other options relate to different aspects of flight and engagement range. The safe refueling range focuses on operational logistics rather than tactical maneuvering. Maximum distance for visual engagement pertains to situational awareness and visual ranges, which do not directly tie to specific maneuvers. Finally, the optimal distance for radar locking on deals with sensor capabilities rather than the tactical execution of maneuvers. Each of these aspects is important, but they do not define the critical parameters associated with decision range as accurately as the concept of executing specific maneuvers based on minimum operational limits.