Scope of service.

Aviation support stations are used for the following types of operations: (a) Pilot training; (b) Coordination of soaring activities between gliders, tow aircraft and land stations; (c) Coordination of activities between free balloons or lighter-than-air aircraft and ground stations; (d) Coordination between aircraft and aviation service organizations located on an airport concerning the safe and efficient portal-to-portal transit of the aircraft, such as the types of fuel and ground services available; and (e) Promotion of safety of life and property.