Buoy 03 : A floating marker or navigational device that is anchored in one spot. Different colors and shapes designate channels or mark hazards or obstructions
Association of Marine Underwriters of San Francisco (AMUSF), Glossary of Marine Insurance and Shipping Terms, http://www.amusf.com/Definitions_A.htm, CA, USA 2011. (Mrtm Insur and Shipping - Amer) {575}