What should be done before securing the aircraft on an active ramp?

Before securing the aircraft on an active ramp, placing chocks and safety cones is essential to ensure safety and prevent any unintended movement of the aircraft. Chocks help stabilize the aircraft by preventing it from rolling while it is stationary, and safety cones serve as visual indicators to alert other personnel and vehicles of the aircraft's position. This step is critical in maintaining a safe environment on the ramp, especially in busy airport operations where there may be other vehicles and personnel working nearby.

While performing a visual inspection and notifying personnel are important steps in overall safety protocols, they are typically part of the process that occurs before the aircraft is secured. Increasing engine power is not appropriate in this context, as it could lead to unsafe conditions on the ramp. Therefore, properly securing the aircraft with chocks and cones is the most immediate and vital action to take in preparation for working around the aircraft in an active ramp environment.