The United States Coast Guard Aids To Navigation Team, ANT Coos Bay was established in 1976 and is located near the mouth of Coos Bay in the fishing and tourist community of Charleston, Oregon, southwest of the city of Coos Bay. ANT Coos Bay's area of responsibility ranges over 240 miles of the Oregon coast and includes 3 lighthouses, 18 primary buoys, 43 secondary buoys and 156 other lights, day beacons and fog signals. ANT Coos Bay utilizes an 17 ft utility boat (UTL) and a 26 ft work boat (TANB).