Except in an emergency, when safety dictates, or upon prior approval of the Airport Manager, aircraft operations on the Airport are confined to designated runways, water lanes, helipads, taxiways, taxi lanes, aprons, and aircraft parking areas. When the Airport Manager determines it is necessary for safe and secure operation of the Airport, the Airport Manager may by control device or order regulate, control and direct the availability of a runway, water lane, helipad, taxiway, taxi lane, apron, and aircraft parking area on the Airport. The Airport Manager shall limit the use, time, type, weight, dimensions, and number of aircraft allowed to use an aircraft parking area when the manager determines that the limitation is justified by the design, safety, maintenance, or operation of the parking area or the Airport. The Airport Manager may segregate aircraft operation on the Airport according to aircraft use, size, type, or weight. The Airport Manager shall give notice of the orders, limitations, and aircraft operation segregation decisions under this section by: