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USCGC ''Anthony Petit'' (WLM-558) is a Keeper-class
The ship has two Caterpillar Inc., Caterpillar 3508 DITA (Fuel injection, direct-injection, Turbocharger, turbocharged, Intercooler, aftercooled) 8-cylinder Diesel engine, Diesel engines which produce 1000 horsepower each. These drive two Ulstein Group, Ulstein Z-drives. Keeper-class ships were the first Coast Guard cutters equipped with Z-drives, which markedly improved their maneuverability. The Z-drives have four-bladed propellers which are in diameter and are equipped with Ducted propeller, Kort nozzles. They can be operated in "tiller mode" where the Z-drives turn in the same direction to steer the ship, or in "Z-conn mode" where the two Z-drives can turn in different directions to achieve specific maneuvering objectives. An implication of the Z-drives is that there is no reverse gear or rudder aboard ''Anthony Petit''. In order to back the ship, the Z-drives are turned 180 degrees which drives the ship stern-first even though the propellers are spinning in the same direction as they do when the ship is moving forward. Her maximum speed is 12 knots. Her tanks can hold 16,385 gallons of diesel fuel which gives her an unrefueled range of 2,000 nautical miles at 10 knots.
She has a 500 horsepower bow thruster. The Z-drives and bow thruster can be linked in a Dynamic positioning, Dynamic Positioning System. This gives ''Anthony Petit'' the ability to hold position in the water even in heavy currents, winds, and swells. This advanced capability is useful in bringing buoys aboard that can weigh more than 16,000 lbs.
Electrical power aboard is provided by three Caterpillar 3406 DITA generators which produce 285 Kw each. She also has a 210 Kw emergency generator, which is a Caterpillar 3406 DIT.
The buoy deck has of working area. A crane with a boom long lifts buoys and their mooring anchors onto the deck. The crane can lift up to .
The ships' fresh water tanks can hold 7,339 gallons. She has three Ballast tank, ballast tanks that can be filled to maintain their trim, and tanks for oily waste water, sewage, gray water, new lubrication oil, and waste oil.
Accommodations were designed for mixed gender crews from the start. Crew size and composition has varied over the years. When she was commissioned in 1999, she had a crew of 23, commanded by a Warrant officer (United States), Chief Warrant Officer.
''Anthony Petit'', as all Keeper-class ships, has a strengthened "ice belt" along the waterline so that she can work on aids to navigation in ice-infested waters. Not only is the hull plating in the ice belt thicker than the rest of the hull, but framing members are closer together in areas that experience greater loads when working in ice. Higher grades of steel were used for hull plating in the ice belt to prevent cracking in cold temperatures. Her bow is sloped so that rather than smashing into ice, she ride up over it and break it with the weight of the ship. ''Anthony Petit'' is capable of breaking flat, 9-inch thick ice at 3 knots.
The ship carries a cutter boat on Davit, davits. She was originally equipped with a CB-M boat which was replaced in the mid-2010s with a CB-ATON-M boat. This was built by Metal Shark Aluminum Boats and was estimated to cost $210,000. The boat is long and are equipped with a Mercury Marine inboard/outboard diesel engine.
The ship's namesake is U.S. Coast Guard Chief Boatswain's Mate Anthony Petit, the keeper of the Scotch Cap Light, Scotch Cap lighthouse on the west end of Unimak Island in the Aleutian Islands, Aleutians. Petit and four other members of his crew were killed in a tsunami which destroyed the lighthouse on April 1, 1946.
After her launch and sea trials, ''Anthony Petit'' sailed down the Great Lakes, the Saint Lawrence Seaway, and through the Panama Canal to reach Ketchikan, Alaska, her homeport for her entire career. She arrived in January 2000. The ship is stationed at Coast Guard Base Ketchikan. She replaced USCGC Planetree (WLB-307), USCGC ''Planetree'' at this station. Her primary mission is maintaining 274 fixed and floating aids to navigation in Southeast Alaska.
The ship has also performed other Coast Guard missions. ''Anthony Petit'' participated in search and rescue activities as with the charter boat ''Fishin' Fool'' in 2002, fishing vessel ''Yvonne Denise'' in 2005, the ferry MV Lituya, ''Lituya'' in 2009, and the fishing vessel ''Tsimshian Lady'' in 2017.
''Anthony Petit'' has trained extensively on oil spill containment. She has participated in several joint United States-Canada exercises to prepare for a possible spill in the Dixon Entrance area. She has deployed the vessel of opportunity skimming system (VOSS) several times in training.
coastal buoy tender
The Keeper class of coastal buoy tenders consists of fourteen ships built for and operated by the United States Coast Guard. The ships were launched between 1995 and 1999 and all remain in active service. Their primary mission is to maintain th ...
of the United States
The United States of America (USA), also known as the United States (U.S.) or America, is a country primarily located in North America. It is a federal republic of 50 U.S. state, states and a federal capital district, Washington, D.C. The 48 ...
Coast Guard
A coast guard or coastguard is a Maritime Security Regimes, maritime security organization of a particular country. The term embraces wide range of responsibilities in different countries, from being a heavily armed military force with cust ...
. Launched in 1999, she has served her entire career maintaining navigational aids in Southeast Alaska
Southeast Alaska, often abbreviated to southeast or southeastern, and sometimes called the Alaska(n) panhandle, is the southeastern portion of the U.S. state of Alaska, bordered to the east and north by the northern half of the Canadian provi ...
. She is assigned to the Seventeenth Coast Guard District.
Construction
''Anthony Petit'' was built byMarinette Marine Corporation
Fincantieri Marinette Marine (FMM) is an American shipbuilding firm in Marinette, Wisconsin. Marinette Marine was a subsidiary of Manitowoc Marine Group of Wisconsin from 2000 to 2009, when it was sold to Fincantieri Marine Group.
History
M ...
in Marinette, Wisconsin
Marinette is a city in and the county seat of Marinette County, Wisconsin, United States. It is located on the south bank of the Menominee River, at its mouth at Green Bay (Lake Michigan), Green Bay, part of Lake Michigan; to the north is Stephe ...
. She was the eighth of the fourteen Keeper-class vessels completed. On 22 June 1993 the Coast Guard awarded the contract for the Keeper class vessels in the form of a firm contract for the lead ship and options for thirteen more. In February 1997, it exercised options for the 5th through the 10th vessels, including ''Anthony Petit''. The ship was launched on 30 January 1999, into the Menominee River
The Menominee River is a river in northwestern Michigan and northeastern Wisconsin in the United States. It is approximately long,U.S. Geological Survey. National Hydrography Dataset high-resolution flowline dataThe National Map, accessed Dec ...
. Speakers at the christening ceremony included Alaska Senator
A senate is a deliberative assembly, often the upper house or Legislative chamber, chamber of a bicameral legislature. The name comes from the Ancient Rome, ancient Roman Senate (Latin: ''Senatus''), so-called as an assembly of the senior ...
Frank Murkowski, and Commandant of the Coast Guard, Coast Guard Commandant James Loy, Admiral James Loy.
Her hull was built of welded steel plates. She is long, with a beam of , and a full-load Draft (hull), draft of . ''Anthony Petit'' Displacement (ship), displaces 850 long tons fully loaded. Her gross register tonnage is 904, and her net register tonnage is 271. The top of the mast is above the waterline.
Rather than building the ship from the keel up as a single unit, Marinette Marine used a modular fabrication approach. Eight large modules, or "hull blocks" were built separately and then welded together.
The ship has two Caterpillar Inc., Caterpillar 3508 DITA (Fuel injection, direct-injection, Turbocharger, turbocharged, Intercooler, aftercooled) 8-cylinder Diesel engine, Diesel engines which produce 1000 horsepower each. These drive two Ulstein Group, Ulstein Z-drives. Keeper-class ships were the first Coast Guard cutters equipped with Z-drives, which markedly improved their maneuverability. The Z-drives have four-bladed propellers which are in diameter and are equipped with Ducted propeller, Kort nozzles. They can be operated in "tiller mode" where the Z-drives turn in the same direction to steer the ship, or in "Z-conn mode" where the two Z-drives can turn in different directions to achieve specific maneuvering objectives. An implication of the Z-drives is that there is no reverse gear or rudder aboard ''Anthony Petit''. In order to back the ship, the Z-drives are turned 180 degrees which drives the ship stern-first even though the propellers are spinning in the same direction as they do when the ship is moving forward. Her maximum speed is 12 knots. Her tanks can hold 16,385 gallons of diesel fuel which gives her an unrefueled range of 2,000 nautical miles at 10 knots.
She has a 500 horsepower bow thruster. The Z-drives and bow thruster can be linked in a Dynamic positioning, Dynamic Positioning System. This gives ''Anthony Petit'' the ability to hold position in the water even in heavy currents, winds, and swells. This advanced capability is useful in bringing buoys aboard that can weigh more than 16,000 lbs.
Electrical power aboard is provided by three Caterpillar 3406 DITA generators which produce 285 Kw each. She also has a 210 Kw emergency generator, which is a Caterpillar 3406 DIT.
The buoy deck has of working area. A crane with a boom long lifts buoys and their mooring anchors onto the deck. The crane can lift up to .
The ships' fresh water tanks can hold 7,339 gallons. She has three Ballast tank, ballast tanks that can be filled to maintain their trim, and tanks for oily waste water, sewage, gray water, new lubrication oil, and waste oil.Accommodations were designed for mixed gender crews from the start. Crew size and composition has varied over the years. When she was commissioned in 1999, she had a crew of 23, commanded by a Warrant officer (United States), Chief Warrant Officer.
''Anthony Petit'', as all Keeper-class ships, has a strengthened "ice belt" along the waterline so that she can work on aids to navigation in ice-infested waters. Not only is the hull plating in the ice belt thicker than the rest of the hull, but framing members are closer together in areas that experience greater loads when working in ice. Higher grades of steel were used for hull plating in the ice belt to prevent cracking in cold temperatures. Her bow is sloped so that rather than smashing into ice, she ride up over it and break it with the weight of the ship. ''Anthony Petit'' is capable of breaking flat, 9-inch thick ice at 3 knots.
The ship carries a cutter boat on Davit, davits. She was originally equipped with a CB-M boat which was replaced in the mid-2010s with a CB-ATON-M boat. This was built by Metal Shark Aluminum Boats and was estimated to cost $210,000. The boat is long and are equipped with a Mercury Marine inboard/outboard diesel engine.
The ship's namesake is U.S. Coast Guard Chief Boatswain's Mate Anthony Petit, the keeper of the Scotch Cap Light, Scotch Cap lighthouse on the west end of Unimak Island in the Aleutian Islands, Aleutians. Petit and four other members of his crew were killed in a tsunami which destroyed the lighthouse on April 1, 1946.
Operational history
After her launch and sea trials, ''Anthony Petit'' sailed down the Great Lakes, the Saint Lawrence Seaway, and through the Panama Canal to reach Ketchikan, Alaska, her homeport for her entire career. She arrived in January 2000. The ship is stationed at Coast Guard Base Ketchikan. She replaced USCGC Planetree (WLB-307), USCGC ''Planetree'' at this station. Her primary mission is maintaining 274 fixed and floating aids to navigation in Southeast Alaska.
The ship has also performed other Coast Guard missions. ''Anthony Petit'' participated in search and rescue activities as with the charter boat ''Fishin' Fool'' in 2002, fishing vessel ''Yvonne Denise'' in 2005, the ferry MV Lituya, ''Lituya'' in 2009, and the fishing vessel ''Tsimshian Lady'' in 2017.
''Anthony Petit'' has trained extensively on oil spill containment. She has participated in several joint United States-Canada exercises to prepare for a possible spill in the Dixon Entrance area. She has deployed the vessel of opportunity skimming system (VOSS) several times in training.
References
{{DEFAULTSORT:Anthony Petit (WLM-558) Ships of the United States Coast Guard 1999 ships Ships built by Marinette Marine Keeper-class cutters