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BNS Osman (Missile Frigate JIANGHU I Class)

The frigate Osman, commissioned by the Bangladesh Navy in 1989, is a 1,500-ton Chinese built Jianghu class warship. BNS Osman is one of five frigates in the Bangladeshi Navy, but the only one with modern C-802A anti-ship missiles, and FM-90N surface-to-air missiles. The C-802A missile, according to experts, is a modified version of Chinese Ying Ji-802 (western version SACCADE) with its weight reduced from 815 kg to 715 kg to increase its strike range from 42 km to 120 km.

The radar-equipped missile can carry a 165-kg warhead. Since its guidance equipment has strong anti-jamming capability, the ships it targets have a very low success rate in intercepting the missile. The hit probability of the Ying Ji-802 is rated as 98 percent. It can be launched from aircraft, ships, submarines and even land-based vehicles and is considered to be on par with the US Harpoon, arguably the best anti-ship missile among present day systems.

Two Bangladesh Navy ships -- BNS OSMAN and BNS MADHUMATI -- took part in the UN Peacekeeping Mission under UNIFIL in 2010. A frigate of Bangladesh Navy, BNS OSMAN, and a large patrol craft, BNS MADHUMATI, started their operation in the Mediterranean Sea on May 15 and 17 respectively as part of the peacekeeping mission. BNS OSMAN and MADHUMATI left Chittagong port on April 12 and reached Beirut Port in Lebanon on May 7. Two ships were included in UN mission from that day. These ships had stopover in Colombo, Oman and Jeddah port during their voyage towards Lebanon. Bangladesh was the first country in South Asia to send two warships -- BNS Osman and BNS Madhumati -- to the UN Peacekeeping Mission.

Displacement, tons : 1,425 standard; 1,702 full load  
Dimensions, feet (meters) : 
338.6x 35.4 x10.2 (103.2 x 10.7 x 3.1)
Main Machinery : 2 type 12 E 390V diesels; 14,400 hp (m) (10.6MW)  sustained ; 2 shafts<

Speed, knots : 26. Range, miles 2,700 at kt
Complement : 300 (27 officers), Builders Hudong Shipyard, Shanghai
Missiles : SSM: Hai Ying 2 (2 2 twin) launchers Active radar or IR homing to 80 km (43.2n miles) at 0.9 Mach : warhead 513 kg.
Guns : 4 China 3.9 in (100 mm)/56 (2 twin) 18rds rds/min to 22 km (12 n miles ); weight of shell 15.9 kg. China 37 mm 76 ( 4 twin) ; 180 rds / min to 8.5 km (4.6 n miles) anti aircraft; weight of shell 1.42 kg.
A/S Mortars :  2 RBU 1200 5-tubed fixed launchers ; range 1,200m; warhead 34 kg.
Depth charge : 2 BMB-2 projectors; 2 ranks
Mines :  Can carry up to 60.
Countermeasures : Decoys ; 2 loral Hycor SRBOC Mk 36, 6- barreled chaff launcher  
ESM :   Watching radar warning.
Weapons Control : Wok Won director (752A)
Radar:  Air / surface search ; MX 902 Eye shield (922-1) E-band
Surface search / fire control : Square Tie (254) I-band
Navigation :  Fin Curve (352) ; I- band IFF. High pole A .
Sonars : Echo type 5;  hull mounted ; active search and attack; medium frequency.