Feature 4 | PATROL CRAFT


First NTPB patrol boat launched by Dearsan Shipyard


Te lead unit of a new class of indigenously designed and built patrol craſt for the Turkish Naval Forces Command is completing outfitting aſter being launched from the Dearsan Shipyard in the Tuzla industrial area south of Istanbul.


raft of naval acquisition programmes intended to progressively build Turkey’s sovereign capability for the design and build of naval vessels, a strategy being managed by the Ministry of National Defence’s Undersecretariat for Defence Industries (Savunma Sanayii Müsteşarliği – SSM). As well as being the first indigenously


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developed in-house naval design in the modern era, the NTPB construction programme marks the first occasion in the history of the modern republic that a naval vessel (excluding auxiliary and support ships) has been built in a private shipyard for the Turkish Navy. About 70% of the programme is being sourced through the local supply base. Following competition among a


number of commercial shipbuilders, Dearsan Shipyard was in May 2007 selected as preferred supplier for the NTPB project, with SSM placing a €402 million fixed-price contract in August 2007. Manufacturing activities for the first of class, the P1200, officially commenced at the Dearsan Shipyard facility in Tuzla in May 2008 with a ceremonial first weld. Intended to perform patrol and


anti-submarine surveillance tasks in coastal waters, the 56.9m NTPB is an all-steel monohull design, classed by Turkish Lloyd, displacing 400tonnes at full load. Te hull has been optimised for superior seakeeping so as to be capable of sustaining operations in conditions up to Sea State 5. Two MTU 16V 4000 M90 diesels


(each rated at 3700shp) drive fixed-pitch propellers along twin shaſts to achieve a


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he 16-vessel Yeni Tip Karakol Botu (New Type Patrol Boat, NTPB) project is one of a


Intended to perform patrol and anti-submarine surveillance tasks in coastal waters, the 56.9m NTPB is an all-steel monohull design displacing 400tonnes at full load.


maximum design speed of 25kts. Design endurance (at full load) is a minimum 1000nm at 14kts. Yaltes, working in association with


Imtech, is supplying the Integrated Platform Management System (IPMS) for the class. As well as platform automation, the IPMS also integrates


TECHNICAL PARTICULARS NTPB


Length (oa) .........................................56.7m Breadth (max) .....................................8.90m Design draft .........................................2.50m Displacement ...............................400tonnes Design speed (max) .............................25kts Range .................................1000nm at 14kts Accommodation ...................................... 34 Seakeeping . Fully operable to Sea State 5


the vessels’ power management and propulsion control systems. Havelsan, as subcontractor to Dearsan


Shipyard, is combat system integrator for the class with responsibility for navigation, communications, command and control, and weapon system integration. Other suppliers include Aselsan (supplying its ASELFLIR 300D electro-optical director, anti-submarine rocket launcher and two 12.7mm STAMP remote stabilised weapon stations), Yaltes (operator consoles and tactical bridge display units), Kongsberg Maritime (Simrad SP92 Mk II hull-mounted sonar) and Oto Melara (twin 40/L70 Compact 40mm gun mounting). P1200 was formally launched at


Tuzla on 9 April 2010. Outfitting, integration and setting-to-work will now continue through to the planned


Warship Technology July/August 2010


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