USCGC Liberty (WPB-1334)
USCGC Liberty, off the coast of Southeast Alaska, 2008.
|Status:||Active in service as of 2012|
|Class and type:||Island-class patrol boat|
|Propulsion:||2 diesel engines|
|Complement:||2 officers, 16 enlisted|
USCGC Liberty (WPB-1307) is an Island-class cutter of the United States Coast Guard. She is homeported in Auke Bay, Alaska, near Juneau, where she patrols territorial waters, including the Inside Passage. Her primary missions are search and rescue, law enforcement, force protection, and Homeland Security.
The Island-class patrol boats were constructed in Bollinger Shipyards, Lockport, Louisiana. Liberty has an overall length of 110 feet (34 m). It had a beam of 21 feet (6.4 m) and a draft of 7 feet (2.1 m) at the time of construction. The patrol boat has a displacement of 154 tonnes (152 long tons; 170 short tons) at full load and 137 tonnes (135 long tons; 151 short tons) at half load. It is powered two Paxman-Valenta 16 CM diesel engines or two Caterpillar 3516 diesel engines. It has two 99 kilowatts (135 PS; 133 shp) 3304T diesel generators made by Caterpillar; these can serve as motor–generators. Its hull is constructed from highly strong steel, and the superstructure and major deck are constructed from aluminium.
The Island-class patrol boats have maximum sustained speeds of 29.5 knots (54.6 km/h; 33.9 mph). It is fitted with one 25 millimetres (0.98 in) machine gun and two 7.62 millimetres (0.300 in) M60 light machine guns; it may also be fitted with two Browning .50 Caliber Machine Guns. It is fitted with satellite navigation systems, collision avoidance systems, surface radar, and a Loran C system. It has a range of 3,330 miles (2,890 nmi; 5,360 km) and an endurance of five days. Its complement is sixteen (two officers and fourteen crew members). Island-class patrol boats are based on Vosper Thornycroft 33 metres (108 ft) patrol boats and have similar dimensions.