|Class and type:||Durjoy Class|
|Launched:||September 27, 2012|
|Commissioned:||Aug 29, 2013|
|Status:||In active service|
|Class & type:||Durjoy-class LPC|
|Length:||64.2 m (211 ft) (overall)|
|Beam:||9 m (30 ft)|
|Draught:||4 m (13 ft)|
|Propulsion:||2 shafts, 2 diesels|
|Speed:||28 knots (52 km/h)|
|Range:||2,500 nmi (4,600 km; 2,900 mi)|
|Notes:||Pennant number: P 811|
BNS Nirmul is of 64.2 metres (211 ft) long, 9 metres (30 ft) wide and have a 4 metres (13 ft) draught with a displacement of 648 tonnes. The ship has a Bulbous bow that suggests it is very stable in heavy sea states. It has speed and range to support long lasting missions. The LPC is powered by triple Pielstick diesels driving three screws for a top speed of 28 knots (52 km/h; 32 mph). The range of the ship is 2,500 nautical miles (4,600 km; 2,900 mi) at and endurance is 15 days. It has a compliment of 60 crews. This ship is able to perform strike missions at ranges of about 2,500 nautical miles (4,600 km; 2,900 mi) as well as undertaking limited Anti-submarine warfare operations too.
Primary sensor of the ship is a Type 360 (SR60) Surface Search, E/F band radar. It carries a Russian MR-123-02/76 Fire Control Radar for 76.2mm H/PJ-26 gun and two I-band Type 347G Radar (Rice Bowl) for 20mm cannon. For fire control of C-704 missiles, this ship uses Type 352 (Square Tie) I-band radar which can be used as surface search radar also. The ship has a ESS-3 bow mounted sonar with an effective range of about 8,000 metres (26,000 ft) for underwater detection. A JRCSS combat management system (CMS) with at least three multifunction consoles is also fitted in the ships.
The LPC is armed with a single 76.2mm H/PJ-26 naval gun and four C-704 surface to surface missiles (SSM) mounted aft. In addition, it has two Oerlikon 20 mm cannon mounted amidships which can be used in an anti-aircraft role. For use in Anti-submarine warfare (ASW) it has two forward-mounted 6-tube EDS-25A 250mm ASW rocket launchers and decoy launchers.
Their primary mission is to protect 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.
- "PM arrives in Ctg". Independentbd.com. 29 August 2013. Retrieved 30 September 2015.