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cylindrical buoyclick to hear

Floating beacon with a cylindrical superstructure.
cylindrical buoy light photovoltaic panel daymark mooring chain sinker bridle assembly flotation section superstructure topmark

light click to hear

Encoded light beam that serves as a navigation aid at night.

photovoltaic panel click to hear

Device that converts solar energy into electricity to power the light.

daymark click to hear

Navigation aid that is visible by day only; it displays various colors and signage.

mooring chain click to hear

Long, very sturdy chain that links the buoy to the sinker.

sinker click to hear

Heavy object often made of concrete; it rests on the bottom of the waterway to keep the buoy in place.

bridle assembly click to hear

Two chains that link the flotation section to the mooring chain.

flotation section click to hear

Lightweight base that keeps the buoy afloat and upright.

superstructure click to hear

Metal frame that forms the buoy’s body and contains all its elements.

topmark click to hear

Metal cone-shaped part atop a buoy that serves as a navigation aid during the day; its position signifies various meanings.