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Artificial objects to supplement natural landmarks indicating safe and unsafe waters.
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Related Terms |
OPERATING WATER LEVEL
The water level in a boiler drum which is normally maintained above the lowest safe level.
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LOW-WATER FUEL CUTOFF
A float device which shuts off fuel supply and burner when boiler water level drops below the lowest safe waterline.
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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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