12 AAC 56.090. GENERAL RULE FOR DETERMINING BOUNDARIES OF THE COMPULSORY PILOTAGE WATERS OF ALASKA. (a) Pilotage is compulsory in the inland and coastal waters of and adjacent to Alaska as described in this section and 12 AAC 56.100.
(b) Pilotage is compulsory at all entrances from seaward to Alaska bays, sounds, rivers, straits, inlets, harbors, ports, or other estuaries where the passage is within three nautical miles of the state’s coastline for which specific boundaries are not otherwise described in 12 AAC 56.100. The extent of waters subject to compulsory pilotage in such Alaska bays, sounds, rivers, straits, inlets, harbors, ports, or other estuaries within three nautical miles of the state’s coastline are those waters in-shore of a line drawn approximately parallel with the general trend of the shore through the outermost aid to navigation, or if no aid to navigation exists, then a line drawn from headland to headland across the mouth of the entrance.