What action should be taken when a steady red light is displayed from the light gun?

When a steady red light is displayed from the light gun, the appropriate action to take is to stop. This signal indicates that aircraft or vehicle operators must halt their movements immediately. It is a clear and critical directive that preempts any potential unsafe situations on the airfield. Stopping allows for the proper assessment of the situation, ensuring that no conflicts or hazards occur that could endanger personnel, aircraft, or equipment.

The steady red light serves as an urgent warning or command to maintain safety in the operational environment, given that it is often used during critical phases of air traffic control or when the airfield may be experiencing heightened safety concerns. Understanding this protocol is essential for anyone involved in operations at an airfield to ensure compliance with safety regulations and procedures.