What is the primary purpose of Joker Fuel?

The primary purpose of Joker Fuel is to transition to the next phase of flight safely. This concept is crucial for maintaining effective and safe operations during flight, especially in a formation context. Joker Fuel acts as a pre-determined fuel state that informs pilots when they need to start their transition to ensure that they have enough fuel to either return to base or proceed to their next maneuver without compromising safety due to low fuel levels. It establishes an important cue for pilots to manage their fuel consumption effectively, allowing for timely transitions while also considering the need to maintain flight safety throughout all phases of the mission.

The selection of other options may not align with the primary function of Joker Fuel. For instance, while establishing landing priorities and maintaining aircraft balance are important factors during flight operations, they do not specifically describe the purpose of Joker Fuel, which is more focused on operational transitions based on fuel state rather than prioritization or balance. The concept of creating a reserve for extended flight is somewhat relevant but does not capture the essence of managing transitions which is the core objective of using Joker Fuel.