Which of the following actions is prohibited with a fuel imbalance in aerobatic maneuvers?

In aerobatic flying, maintaining a proper fuel balance is crucial for ensuring safe and stable aircraft performance. When a fuel imbalance occurs, it can cause the aircraft to be adversely affected, particularly during maneuvers that require precise control and responsiveness.

Engaging in spins is particularly dangerous with a fuel imbalance because spins are highly sensitive to weight distribution and the center of gravity. An improper balance can exacerbate the inherent risks of spins, potentially making recovery more challenging or leading to uncontrollable conditions. If fuel is distributed unevenly, it could shift during a spin, further destabilizing the aircraft and increasing the difficulty of recovery.

In contrast, while performing loops, executing rolls, and making turns may also be impacted by fuel imbalance, they generally do not carry the same critical risks associated with spins regarding controllability and the capacity to recover from an unusual attitude. Therefore, the prohibition during aerobatic maneuvers specifically emphasizes avoiding spins to maintain safety.