What restrictions are in place during a Red Alert?

During a Red Alert, the primary concern is ensuring safety and mitigating any potential hazards at the airport, particularly related to fuel. The correct choice highlights that fuelling and defueling of aircraft is prohibited during this period. This restriction is critical as fuel handling poses significant risks, including the potential for spills, fires, and other safety incidents. By prohibiting these activities, the airport can minimize risks and focus on maintaining a safe environment in response to possible emergencies or heightened safety concerns.

The context of a Red Alert typically involves heightened security or alertness due to weather conditions, operational disturbances, or other critical incidents requiring special operational protocols. This makes the prohibition of fuelling and defueling an essential practice, as aircraft remain unable to take any new fuel on board or offload any fuel during such a time, thereby reducing the risk of accidents.

Understanding the implications of a Red Alert is crucial for maintaining safety standards and adhering to operational protocols in an airport environment.