Which of the following vehicles is authorized to operate on the airfield?

The option that states government-owned vehicles are authorized to operate on the airfield is correct because airfields have strict regulations regarding which types of vehicles can access their infrastructure for safety and operational efficiency. Government-owned vehicles are typically dedicated to official purposes related to airfield operations, such as maintenance, security, and emergency services. They meet specific safety and operational criteria required for accessing sensitive airfield areas.

Privately owned vehicles and government-leased vehicles often do not meet the stringent safety standards necessary for airfield operations, which may include specialized equipment or safety features. All-terrain vehicles may also be restricted due to their potential for causing damage or their inadequacy for the type of service required on an airfield. Overall, the restricted access helps maintain safety and security for both flight operations and personnel on the airfield.