Bangladesh Navy: Year 2024

[Bamboo Castle]

I think, whatever may be the test results of hitting a static target in the sea, it is quite difficult to hit a moving object.

It is always difficult to hit a moving object, however, a moving object as large as a corvette doesn't stand a chance against any guided missile. Its their sheer size that gives them away.

 

[Ideas_R_Bulletproof]

add to that, a moving object that can deploy countermeasures against the missile!!

I think, whatever may be the test results of hitting a static target in the sea, it is quite difficult to hit a moving object.

 

[Ideas_R_Bulletproof]

umm.... but as I said, a ship, however big, can defend itself.... hence, the need for multiple missile salvos to overwhelm the ship's defences.... you fire 3/4 missiles at a time and one hits..... that would do the trick.... most SSMs are now-a-days aimed at targeting 1,500ton+ ships.... one hit from any missile should be able to put the ship out of service, if not sink it.... lessons from Falklands are excellent examples....

It is always difficult to hit a moving object, however, a moving object as large as a corvette doesn't stand a chance against any guided missile. Its their sheer size that gives them away.

 

[Bamboo Castle]

I have 2 unrelated questions, I wonder if anyone can answer.

1. The Jarvis cutter seems to have a white external coating as if she's still a coast guard vessel, does this mean they have been bought for the coast guard and not the navy? Or am I completely wrong an my eyes are playing tricks on me.

The ship has been colored off-white and she is for Navy.

2. The newest and most powerful ship in the navy is named after Mujib, do you think the AL will ever purchase a vessel that more powerful then this ship? They may not want to buy anything that would eclipse one with Mujibs name, just a thought.

Well, for your kind information, AL govt. has already taken delivery of the ship and it is as we chat on its way toward Bangladesh. So, yes, the govt. did buy a ship that is substantially larger, heavier and more powerfull than BNS Bangabandhu (former BNS Khalid bin Walid).

Please try not to provoke the pro and anti AL souls and spoil this thread with your thoughts.

Thanks

 

[Bamboo Castle]

add to that, a moving object that can deploy countermeasures against the missile!!

You see, that's a problem with sea skimming missiles, they are hard to detect. They fly just a few meters above the sea surface with high subsonic cruising speed and their RCS is very tiny. A ships detection radars has a minimum altitude of detection remains above 5 meters making it easier for Sea skimming missiles to come and hit the target flying just below 5 meter and by the time ship detects the missile, it is too late. This is what happened I believe with USS Stark.

Photo: USS Stark after hit by two Exocet AShM from Iraqi aircraft

 

[Ideas_R_Bulletproof]

that true.... but its also true that countermeasures work.... may be not all the time, but it does.... Atlantic Conveyor was sunk at Falklands after it was hit by an Exocet... but the missile was diverted by a destroyer first.... it was bad luck for the Atlantic Conveyor to be in the way... anyway, though they're difficult to defend against, there still are some methods to defend against them....

but the worst thing about anti-ship missiles is their value.... a $1m missile can sink a ship worth $500m or more.... that hurts if I only take into account the construction value of the ship.... and that missile can be fired by a small missile craft, which would be a fraction of the value of the sunken ship.... I've posted previously in here that Myanmar Navy has 17 missile boats with a total of 56 SSMs among them!!.... thats a huge threat against any surface fleet....

anyway, back to the main topic of discussion.... selecting anti-ship missiles depending on experience.... each SSM has a separate profile.... some have better resistance to jamming/countermeasures.... some are smaller and less expensive, making them more practical to fire salvos.... some work better with supporting helicopters in target acquisition.... a portfolio of different missile options within the flotilla is always good.... and the enemy can't determine before which missile to expect.... and there's also the question of who your target is.... you may not need an Otomat missile to sink a missile FAC.... a helicopter-launched ASM becomes enough for such small vessels.... these all would come from operational experience and doctrine.... hence, the need to know the missile testing results....

You see, that's a problem with sea skimming missiles, they are hard to detect. They fly just a few meters above the sea surface with high subsonic cruising speed and their RCS is very tiny. A ships detection radars has a minimum altitude of detection remains above 5 meters making it easier for Sea skimming missiles to come and hit the target flying just below 5 meter and by the time ship detects the missile, it is too late. This is what happened I believe with USS Stark.

Photo: USS Stark after hit by two Exocet AShM from Iraqi aircraft

 

[PlanetSoldier]

@damiendehorn, contrary to what you said, BNS Samudra Joy is the largest frigate within the BN. BNS Bangabandhu is the second largest after the induction of Samudra Joy. By the way, whatever defense magazine I read are full of the news of Bangladesh navy procurement.

Cutter could be bigger but it's not better than Ulsan. Cutter is 60s tech whereas Ulsan is recent one and we got it brand new.

 

[Ideas_R_Bulletproof]

I agree with you in terms of the shipbuilding tech..... though it remains to be seen what electronics and weapons package the new BNS Somudro Joy gets.... I won't be surprised if it gets a better package than the BNS Bangabandhu....

and one correction.... its not Ulsan-class.... its a heavily modified Ulsan-class.... you can hardly figure out that the two coming from a similar design.... ours' is far more capable than the Ulsan-class....

this is the Ulsan-class....

this is our Ulsan-mod..... no match....

Cutter could be bigger but it's not better than Ulsan. Cutter is 60s tech whereas Ulsan is recent one and we got it brand new.

 

[Bamboo Castle]

THE MODERNIZATION DRIVE

Surface capability:

The ongoing efforts are gradually addressing BN's capability gap in this field.

Corvette:

Castle Class:

To further ensure the security of Bay of Bengal, on 5th March 2011, Bangladesh navy has commissioned two Castle class corvettes. These ships were acquired from UK and has been modified heavily on electronics and armaments. The ships were given 4x C-704 short range AShMs, 1x 76mm main gun. The ships has large landing strips and are capable of caring a midsize helicopter on board. The ships capability may be further upgraded in the future installing 2x Type-730 CIWS.

Source:
http://www.navy.lk |
Castle Class Offshore Patrol Vessels | A&P Group
Armed Forces - Royal Navy - Royal Naval Vessels - Castle Class Patrol Vessel
Bangladesh Secures 2 Used British OPVs
Bangladesh Military Photos: Commissioning Ceremony of BNS BIJOY & BNS DHALESHWARI

 

[Bamboo Castle]

THE MODERNIZATION DRIVE

Surface capability:

The ongoing efforts are gradually addressing BN's capability gap in this field.

Corvette:

Durjoy Class:

The Durjoy class is a purpose built semi stealth scaled down version of Type-056 corvettes of China. Only two ships were planned and both are delivered to the Bangladesh Navy in 2012.

Two ships were built, BNS Durjoy and BNS Nirmul. Both vessels were built by Wuchang Shipyard in China. These ships have a significant resemblance with People's Liberation Army Navys Type 056 Jiangdao corvette suggesting Durjoy Class is a scaled down version of the Type 056 corvette. The two ships are of 64 meter in 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. The first, Durjoy (P 811), was launched on August 26, 2012, while the second, Nirmul (P 813), was launched on September 27, 2012. Both ships arrived in Bangladesh in February 2013. The ships are armed with a single 76.2mm NG-16-1 automatic cannon, two twin 25mm cannon mounted amidships, four C-704 surface to surface missiles (SSM) mounted aft, and two forward-mounted six-barreled RDC depth charge rocket launchers. Primary sensors include a TR-47C gunfire control radar with built-in electro-optical sensors, an SR-60 search radar, and an ESS-3 bow mounted sonar with an effective range of about 8000 meters. A JRCSS combat management system (CMS) with at least three multifunction consoles is also 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 as well as undertaking limited anti-submarine warfare (ASW) operations.

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 and are armed with 4x C-704 AShM and a heavy main gun.

Source:

https://en.wikipedia.org/wiki/BNS_Durjoy

Bangladesh Defence

Warship

 

[Ideas_R_Bulletproof]

@Bamboo Castle .... I'm pretty certain that these corvettes are designed to carry 8 C-704.... take a look at the PNS Azmat.... it carries as many as 8 C-802s, though it looks pretty odd with those massive canisters almost overwhelming the small ship.... our corvettes can easily carry 8.... the trend in BN shows that most ships are being put to sea with no more than 4 SSMs, including the BNS Bangabandhu and BNS Osman... this could be a strategy to keep our local competitors guessing....

PNS Azmat.... take a look at those 8 massive canisters....

BNS Durjoy.... the whole deck is almost empty!!.... think about the potential here.... its grossly underutilised.... the C-704 is less than half the size of C-802.... the potential is huge!!... its the same for the Castle-class as well...

 

[Bamboo Castle]

@Bamboo Castle .... I'm pretty certain that these corvettes are designed to carry 8 C-704.... take a look at the PNS Azmat.... it carries as many as 8 C-802s, though it looks pretty odd with those massive canisters almost overwhelming the small ship.... our corvettes can easily carry 8.... the trend in BN shows that most ships are being put to sea with no more than 4 SSMs, including the BNS Bangabandhu and BNS Osman... this could be a strategy to keep our local competitors guessing....

PNS Azmat.... take a look at those 8 massive canisters....

BNS Durjoy.... the whole deck is almost empty!!.... think about the potential here.... its grossly underutilised.... the C-704 is less than half the size of C-802.... the potential is huge!!... its the same for the Castle-class as well...

Its the purpose of the ships that makes the difference. PNS Azmat will serve somewhat like a fast attack craft. Whereas BNS Durjoy class are meant to patrol the vast sea area with capability of taking down any threats.

 

[Ideas_R_Bulletproof]

definitely.... the ships are different in purpose.... though my point was to show the potential weapons configurations... the capacity on our corvettes are grossly underutilised and the current ships are also being put to sea with half their armaments....

and about the roles of these ships.... PNS Azmat has a top speed of 30kt, which is hardly a FAC speed.... most frigates now-a-days have 25-30kt speed, if not more.... our BNS Durjoy also have a 28kt speed... I think these corvettes may have a role similar to the Indian corvettes.... the Khukri-class/Kora-class corvettes have 25kt speed and designed to add strength to battle groups.... they also don't have enough air defence to act independently.... BNS Durjoy also possesses ASW rockets, which also describes its intended role.... a dedicated FAC with ASuW role probably won't have ASW rockets installed.... PNS Azmat is more dedicated in ASuW, as it doesn't have any defence against subs.... Azmat also has a range of only 1,000 nautical miles, which makes it more like a coastal missile runner, launching missiles from a stand-off range.... though the Azmat hardly has the speed, I think it will act as a missile FAC without the speed.... with 2,500 nautical mile range, Durjoy-class can stay with the main flotilla....

on the other hand, BNS Dhaleshwari and Bijoy, with their 18kt maximum speed would surely have a completely different role.... they can't cope with the speed of the BN Flotilla.... they would more likely be used in convoy escort, utilising their massive 10,000 nautical mile range, or be used to guard maritime choke-points near the coastline, where speed may not be absolutely necessary....

another point is, these ships are armed with much smaller C-704 missiles, making them better suited to target frigate-size or smaller ships.... one missile can take down a missile FAC, like the ones in the Myanmar Navy, who have 17 of them..... it would be a waste to fire a massive C-802 missile against a tiny FAC...

Its the purpose of the ships that makes the difference. PNS Azmat will serve somewhat like a fast attack craft. Whereas BNS Durjoy class are meant to patrol the vast sea area with capability of taking down any threats.

 

[Zabaniyah]

Not sure if this information is even accurate, but here it goes:

Moreover, a move to buy two off-the-shelf submarines for the navy is on. A letter of intent has already been issued in this regard. The two submarines might be bought either from the US or China under a government to government agreement.

The navy is also hoping to be equipped with two submarines by 2016. The government is in talks with China and the US in this regard. Estimated cost of a China-made submarine is Tk 4,000 crore while a US-made one may cost double the sum.

Defence purchase govt’s priority | Military hardware worth Tk 15,104cr procured in five years, more in pipeline; focus on modernising armed forces

One question: How can this report possibly state US-built submarines? Egypt and Taiwan, both close US-allies never got them.
United States Submarine Import and Export Behavior | Articles | NTI Analysis | NTI

I do not recall any country using US-made diesel electric submarines (if I'm mistaken however, please do correct me). Something doesn't smell right about that one.

 

[UKBengali]

@Loki The US has not designed and built diesel submarines since the 1960s.