(a) The area. The main channel area of the river, having a width of 150 feet, beginning at a point directly offshore from the centerline of the city dock and extending about 2,200 feet upstream to a point 200 feet upstream from the Inlet Co. dock.
(b) The regulations.
(1) Vessels may navigate, anchor, or moor within the area until such time as notification is received or observation is made of intended passage to or from the docking areas.
(2) Notice of anticipated passage of towboats and barges shall be indicated 24 hours in advance by display of a red flag by the Inlet Co. from its warehouse.