BNS Nirmul

BNS Nirmul is a Durjoy-class semi stealth corvette of the Bangladesh Navy. She is the second ship of the class. She was delivered to the Bangladesh Navy in 2013.

Design
The Durjoy class consists of two corvettes built for the Bangladesh Navy, designed in response to the Government of Bangladesh's long term plan of modernizing the armed forces of Bangladesh to make it a three dimensional deterrent force.

The ship was built by Wuchang Shipyard in China. The ship is of 64 meter length with a displacement of 650 tonnes with a Bulbous bow suggests these ships are to patrol the vast sea area of Bangladesh. The design also suggests the ships are very stable in heavy seas and has speed and range to support long missions. A JRCSS combat management system (CMS) with at least three multifunction consoles is fitted. The LPC are powered by triple Pielstick diesels driving three screws for a top speed of 28 knots. Range is 2500 nautical miles (nm) and endurance with a crew of 60 is 15 days. According to CSOC officials speaking to Defense Media Network at LIMA 2013, these are cost-effective warships, able to perform both strike missions at ranges of about 40 kilometers.

Armament
The ship is armed with 4x C-704 AShM and a heavy main gun.Besides it also carries two anti aircraft guns.

Mission
Their primary mission is to serve with the Corvette Squadron of the Bangladesh Navy, protecting both the fishing fleets and the oil and gas fields and other Economic Zones. In addition, they can also serve in an anti-ship role as well as undertaking limited anti-submarine warfare (ASW) operations.