Subject Description



OCM Identifier


Subject Description

Direction of water craft (e.g., steering, tacking, piloting); watches; laying of courses (e.g., by landmarks, compass); fixing of positions (e.g., by sounding, celestial observations, by global positioning systems); adjuncts to navigation (e.g., buoys, lighthouses); adaptations to special situations (e.g., docking, running of rapids, portaging, ice-breaking, canal navigation); maritime customs and regulations; shipwrecks; salvage; life-saving and sea rescue services; etc.

Water, air, and space transport

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