What are service roads used for on the airport grounds?

Service roads on airport grounds are specifically designed for vehicle movement on the Airport Operation Area (AOA). These roads provide essential access for various vehicles, including those used for maintenance, security, and other operational functions that are critical to the safe and efficient management of airport activities.

Service roads facilitate the transit of airport personnel and equipment, ensuring they can efficiently reach different areas of the AOA, such as taxiways and runways, without interfering with aircraft operations. This designated access helps maintain the safety and organization of the airfield environment, allowing necessary vehicle traffic to occur without compromising the flow of air traffic.

The other options focus on aspects that do not align with the primary purpose of service roads. While passenger entertainment, parking of aircraft, and emergency landings are important components of airport operations, they don't pertain to the function of service roads. Understanding the specific role of service roads is crucial for anyone operating within the restricted areas of the airport.