What is the visibility requirement for vehicle operation on the airside during low visibility conditions?

The visibility requirement for vehicle operation on the airside during low visibility conditions emphasizes the importance of safety in active airport environments, particularly when visibility is compromised. Using headlights serves a crucial function: it improves the vehicle's visibility to other operators and air traffic staff, thereby enhancing safety. Additionally, reducing speed in low visibility conditions is a prudent measure, allowing drivers more time to react to unexpected situations and obstacles that may not be easily seen.

Maintaining proper visibility and speed is a critical aspect of operating vehicles on the airside, as it helps ensure that all personnel and aircraft can operate safely and efficiently, minimizing the risk of accidents. The combination of using headlights and adjusting speed in response to visibility conditions ensures that operators are better equipped to navigate safely.

In contrast, the other choices do not provide the necessary measures required for safe vehicle operation in low visibility conditions. Hazard lights alone do not sufficiently enhance visibility for the vehicle's operation during low visibility. The absence of specific visibility requirements neglects the safety protocols essential for airside operations. Operating vehicles only during the daytime disregards the operational needs of the airport, as many functions occur at night or during low visibility conditions.