The new Sentinel Class Cutter of the U.S. Coast Guard will be powered by two MTU 20V 4000 M93L engines, delivering 4300 kW each.

new Sentinel Class Cutter of the U.S. Coast Guard

MTU, a subsidiary of Tognum, has been chosen to supply the complete propulsion system for the first Sentinel Class Cutter of the U.S. Coast Guard. The new class of cutter will replace the Island Class Cutters that are nearing the end of their service life. Bollinger Shipyards in Lockport, Louisiana, U.S.A., is the prime contractor for this project and has secured an agreement with MTU Detroit Diesel for the supply and integration of propulsion system components. The order includes two 20V 4000 M93L main propulsion engines rated at 4300 kW, along with reduction gears and MTU’s Callosum integrated ship automation system. The order also includes an option for 33 additional vessels with MTU propulsion systems.

The published acquisition timeline for the optional 33 vessels calls for an order of up to six ship sets per year, beginning in 2010. At the peak of production, Bollinger will deliver a new cutter every eight weeks. The delivery of MTU’s first ship set is forecast for the beginning of 2010, while the first vessel will be delivered to Coast Guard District 7, based in Miami, Florida, U.S.A., in January 2011.

The 46.6 m Sentinel Class Cutter will be capable of reaching speeds above 28 knots. It is being built by Bollinger, based on the Damen 4708, and is using a modern hull form that has already conducted operations similar to those the Sentinel Class Cutter will perform. The new patrol will conduct U.S. Coast Guard missions such as port, waterway and coastal security, fishery patrols, drug and illegal migrant law enforcement, search and rescue and national defense operations.

After delivery, the first Sentinel Class Cutter will complete a comprehensive operational test and evaluation period and then enter operational service in the Caribbean area of responsibility.

MTU Releases Callosum Advanced Automation System :

MTU’s 20V 4000 M93L

Callosum, by MTU, is an advanced automation system especially developed for marine applications. The name comes from “corpus callosum” — the connecting structure in the human brain that facilitates communication between the two hemispheres, the company explained. The product consists of four tailor-made modular systems that can be integrated with or into the vessel individually or in combination, to match each application’s requirements. All areas and functions of the ship’s technology can be monitored with a user-friendly interface. Callosum monitors and controls the entire propulsion system, the onboard power supply and other subsystems. The ship’s onboard closed circuit TV system is part of the monitoring system, providing the crew with a picture of the ship inside and outside at all times.

Callosum also offers a remote monitoring system, called Harbour Duty System, which monitors onboard systems and eventual intruders, when the ship is in harbor and only a few members of the crew remain onboard. A special data bus cable allows multiple vessels to be monitored from a harbor control center.

Callosum is also a valuable tool for service and maintenance. It hosts the capability of viewing 3-D video clips withan animation of the engine. In case of repairs, the system shows the technicians what has to be done, step by step it gives them the possibility to communicate the operational status to the bridge in real time. Callosum is also available in a specially adapted version for naval crafts called the Battle Damage Control System.

Schematic breakdown of the Callosum advanced automation system.

Leave a Reply