Artificial objects to supplement natural landmarks indicating safe and unsafe waters.
Related Terms |
HORIZONTAL DANGER ANGLE
The maximum or minimum angle between two points on a chart, as observed from a vessel, indicating the limit of safe approach to an off-lying danger.
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POTABLE WATER
Water that is safe to drink.
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FAIR WINDS AND FOLLOWING SEAS
A blessing wishing the recipient a safe journey and good fortune.
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SEA ROOM
A safe distance from the shore or other hazards.
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SP
Safe port
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AAOSA
Always afloat or safe aground. The condition for a vessel whilst in port.
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SB
Safe berth
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ROADSTEAD
A sheltered area outside a harbour where a ship can lie safe at anchor, also known as a roads.
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LOCAL KNOWLEDGE
The term applied to specialized, detailed knowledge of a port, harbor, or other navigable water considered necessary for safe navigation. Local knowledge extends beyond that available in charts and publications, being more detailed, intimate, and current.
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SAFE HAVEN
A safe harbour, including natural harbours, which provide safety from bad weather or attack.
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