Section 26.42 - Escort Service(1)Definition. Escort service shall mean the escorting of motor vehicles that do not have a ramp and apron permit on the airfield, ramp and apron area or aircraft parking and storage areas.(2)Equipment. An operator performing escort services shall maintain the following equipment: (a) One supervisory vehicle equipped with company frequency and ground control two way radio capability;(b) Radio equipment to monitor approach, tower and ground control frequencies as well as two way radios for UNICOM, company dispatch and other communications that may be deemed necessary for the efficient operation of the services provided. These radios shall be located at the operation's center or at the site from which fueling services are dispatched; and(c) Two lead-in vehicles equipped with two-way radios which are capable of monitoring the tower, ground control, UNICOM, and company dispatch frequencies.