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Chapter 1 The Role of Navigation
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approximately areas average beach bearing lines boat speed buoy called calm calm air channel Chapter Coast Guard Coast Pilot coastal waters compass bearings compass course compass rose crossing current flow current speed Current Tables daymarks dead reckoning distance estimate example feet ferry angle geographic range hazards heading high water inland waters island kayak navigation knots land landmarks latitude Light List low water magnetic marine compass marine weather mark measure minutes natural ranges nautical charts nautical miles nominal range offshore paddler paddling speed parallel rulers pass peak planning position practice predictions radiation fog radio Rip currents rocks route rules scale sea fog Sea Kayaker ship shore shoreline shown in figure side sight slack water specific surf swells tidal current tide height tide rips tion topographic maps trip usually vessels VHF marine radio waterway waves width