AIDS TO NAVIGATION

Artificial objects to supplement natural landmarks indicating safe and unsafe waters.

aids_to_navigation safe supplement

Related Terms

The water level in a boiler drum which is normally maintained above the lowest safe level.

operating_water_level boiler water_level safe level drum boiler_drum water

A float device which shuts off fuel supply and burner when boiler water level drops below the lowest safe waterline.

low-water_fuel_cutoff boiler water_level safe

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.

horizontal_danger_angle angle limit safe

Water that is safe to drink.

potable_water water safe

A blessing wishing the recipient a safe journey and good fortune.

fair_winds_and_following_seas safe

A safe distance from the shore or other hazards.

sea_room distance shore safe

Safe port

sp port safe

Always afloat or safe aground. The condition for a vessel whilst in port.

aaosa vessel afloat condition safe

Safe berth

sb berth safe

A sheltered area outside a harbour where a ship can lie safe at anchor, also known as a roads.

roadstead anchor area harbour ship safe