What is the critical safety area around an aircraft known as?

The critical safety area around an aircraft is known as the Circle of Safety. This term is used to describe the region surrounding an aircraft that must remain clear of personnel and equipment during operations. The purpose of establishing this circle is to ensure safety by minimizing the risk of accidents involving ground crews and the aircraft itself.

The terminology emphasizes the importance of maintaining a safe distance to prevent potential hazards, such as jet blast, prop wash, or inadvertent contact with the aircraft. Crews are trained to understand this concept so they can perform their duties without endangering themselves or others.

While other terms like Safety Zone or Safety Perimeter might informally convey a similar idea, they do not specifically capture the established language used in aviation safety protocols. The Circle of Safety is thus recognized as the standardized term within the aviation industry.