Successful Trials for Indonesian Navy’s First SIGMA 10514 PKR Frigate

By Chuck Oldham (Editor) - September 14, 2016

Kri Raden Eddy Martadinata (331) , the first of the Indonesian navy’s two SIGMA 10514 Perusak Kawal Rudal (PKR) frigates, during sea trials. Damen and Saab’s bid for the Brazilian corvette program will be based on a variant of the Sigma 10514 with a Saab Combat Management System. Damen Shipyard photo

KRI Raden Eddy Martadinata (331), the first of the Indonesian navy’s two SIGMA 10514 Perusak Kawal Rudal (PKR) frigates, successfully completed its sea trials on Sept. 7, 2016, according to a Damen Shipyards news release. First steel for the project to build two frigates for the service, which is upgrading and modernizing, was cut in January 2014.

The PT PAL shipyard in Surabaya, Indonesia, carried out seven days of basin trials to check that propulsion and safety systems were fully operational before the ship departed to undergo open water trials in the Java Sea. The two weeks of sea trials included tests of its 76mm gun and the 3D radar, and included the commissioning of the ship’s sonar. The ship’s noise levels and cavitation from the propellers were also observed and measured. While most systems passed the tests successfully, some modifications will be made to remedy deficiencies before the final three days of trials, planned for the end of September.

The frigates have STIR 1.2 Mk2 electro-optical (EO) fire control systems, KINGKLIP hull-mounted sonars, and SMART-S Mk2 3D multibeam radars. The onboard Thales Tacticos combat management system integrates the ship’s sensors, weapons and other equipment.

The 105-meter (344.8-foot) 2400-ton multirole frigates are designed for a wide range of missions, primarily anti-air, anti-submarine, and anti-surface, but are also equipped for maritime security, search and rescue, and humanitarian aid/disaster relief.

The frigates employ a combined diesel and electric (CODOE) plant consisting of two 10,000kW maximum continuous rating (MCR) diesel engines, two 1,300kW electric motors, two double input gearboxes and two controllable-pitch propellers for a speed of more than 28 knots. The frigate has a speed of 28 knots, and can sail up to 5,000nm at 14 knots and has an endurance of at least 20 days at sea. The frigates are fully air-conditioned, with accommodation for up to 122 crewmembers. The flight deck and hangar can operate and accommodate a helicopter up to 10 tons in weight. The vessel is also equipped with two rigid hull inflatable boats (RHIBs) for rescue and patrol operations.

The frigates have STIR 1.2 Mk2 electro-optical (EO) fire control systems, KINGKLIP hull-mounted sonars, and SMART-S Mk2 3D multibeam radars. The onboard Thales Tacticos combat management system integrates the ship’s sensors, weapons and other equipment. Armament is to include a 12-cell short range air defense missile system (either MICA or ASTER), surface to surface missiles, a close-in weapon system, torpedoes, and a 76-mm gun, as well as self-defense chaff and electronic support measures.

The two vessels are being produced in collaboration, with four of six modules for the first ship being built at PT PAL in Indonesia, and the other two modules built at Damen Schelde Naval Shipbuilding (DSNS) in the Netherlands before being shipped to PT PAL for final assembly. Martadinata is expected to be delivered at the end of January 2017.