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BNS Barkat
BNS ''Barkat'' is a Haizhui-class submarine chaser of Bangladesh Navy. She was commissioned in the Bangladeshi Navy in 1996. Career BNS ''Barkat'' was commissioned in Bangladesh Navy on 9 April 1996. She is currently based at Chittagong. Electronics The ship uses a ''Pot Head'' radar as primary electronics and for surface search purpose. This radar is effective in performing mine laying operations also. For ASW operations, she uses a high frequency hull mounted active sonar. Armament The ship is armed with two twin-gun mounts for the Type 76A dual-purpose gun and another pair of twin-gun mounts for the Type 61 anti-aircraft gun.Saunders, p. 139 See also * List of active ships of the Bangladesh Navy The Bangladesh Navy currently operates two submarines, five guided missile frigates, two patrol frigates, six guided missile corvettes, minor surface combatants of various type of Patrol boat, offshore patrol vessels, Patrol boat, coastal patrol ... References Bibliogra ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Chittagong
Chittagong ( ), officially Chattogram, (, ) (, or ) is the second-largest city in Bangladesh. Home to the Port of Chittagong, it is the busiest port in Bangladesh and the Bay of Bengal. The city is also the business capital of Bangladesh. It is the administrative seat of an eponymous division and district. The city is located on the banks of the Karnaphuli River between the Chittagong Hill Tracts and the Bay of Bengal. In 2022, the Chittagong District had a population of approximately 9.2 million according to a census conducted by the government of Bangladesh. In 2022, the city area had a population of more than 5.6 million. The city is home to many large local businesses and plays an important role in the Bangladeshi economy. One of the world's oldest ports with a functional natural harbor for centuries, Chittagong appeared on ancient Greek and Roman maps, including on Ptolemy's world map. It was located on the southern branch of the Silk Road. In the 9th century, merc ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 062-I-class Gunboat
The Type 062 gunboat is a class of gunboat of the People's Liberation Army Navy first developed and constructed in the 1950s. This unsophisticated class is relatively well-armed for its size and is the most widely built and exported Chinese naval vessel in terms of numbers. A total of 30 were built, initial boats being known as the Shanghai I class and later slightly improved boats being known as the Shanghai II class. The Shanghai I class was slightly smaller than its successor, the Shanghai II class, displacing 125 tons instead of 135 tons, and had a twin Chinese Type 66 57 mm gun mount forward. All other specifications are identical to the Shanghai II class, which replaced the 57 mm with twin 37 mm gun mounts. Some boats remained in active service well into the early 1990s in the PLA navy and longer in the case of the Korean People's Navy. Origin Type 062 gunboat is a result of several competing/developmental designs, all in response of PLAN's request of a new 100 ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Submarine Chaser
A submarine chaser or subchaser is a type of small naval vessel that is specifically intended for anti-submarine warfare. They encompass designs that are now largely obsolete, but which played an important role in the wars of the first half of the 20th century. Many of the American submarine chasers used in World War I found their way to Allies (World War II), Allied nations by way of Lend-Lease in World War II. Submarine chaser variants U.S. Navy submarine chasers were designed specifically to destroy German Empire, German submarines in World War I, and Empire of Japan, Japanese and Nazi Germany, German submarines in World War II. The small SC-1-class submarine chasers of the design used in World War I carried the hull designator SC (for Submarine Chaser). Their main weapon was the depth charge. They also carried machine guns and anti-aircraft guns. The similar-sized SC-497-class submarine chaser, SC-497-class was built for World War II. Also in World War II, larger PC-461-cla ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Diesel Engine
The diesel engine, named after the German engineer Rudolf Diesel, is an internal combustion engine in which Combustion, ignition of diesel fuel is caused by the elevated temperature of the air in the cylinder due to Mechanics, mechanical Compression (physics), compression; thus, the diesel engine is called a compression-ignition engine (CI engine). This contrasts with engines using spark plug-ignition of the air-fuel mixture, such as a petrol engine (gasoline engine) or a gas engine (using a gaseous fuel like natural gas or liquefied petroleum gas). Introduction Diesel engines work by compressing only air, or air combined with residual combustion gases from the exhaust (known as exhaust gas recirculation, "EGR"). Air is inducted into the chamber during the intake stroke, and compressed during the compression stroke. This increases air temperature inside the Cylinder (engine), cylinder so that atomised diesel fuel injected into the combustion chamber ignites. The torque a dies ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Surface-search Radar
A surface-search radar, sometimes more accurately known as a sea-surface-search radar or naval surveillance radar, is a type of military radar intended primarily to locate objects on the surface of lakes and oceans. Part of almost every modern naval ship, they are also widely used on maritime patrol aircraft and naval helicopters. When mounted on an aircraft, they are sometimes known, in British terminology, as air-to-surface-vessel radar — ASV for short. Similar radars are also widely used on civilian ships and even small pleasure craft, in which case they are more commonly known as marine radar. As with conventional surveillance radars, these systems detect objects from the reflections of radio signals off target objects, especially metal. The range of a surface-search radar is greatly increased compared to other roles due to several aspects of the sea surfaces and the objects in it. In low sea states, water makes an excellent reflector for radio signals, which helps maximize th ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 76 Twin 37 Mm Naval Gun
The Type 76 twin 37mm naval gun (also known by the designation H/PJ-76) is a small caliber naval artillery piece from the People's Republic of China. The Type 76A was in naval service in the 1990s. See also *Denel 35mm Dual Purpose Gun *Aselsan GOKDENIZ References {{Mil-hist-stub Naval weaponry of the People's Republic of China Naval anti-aircraft guns Naval guns of China 37 mm artillery Autocannon Military equipment introduced in the 1990s ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Type 61 25 Mm AAA Gun
The Type 61 25 mm AAA gun is an anti-aircraft gun produced and used by China. It is manually operated by a single crew with an optical sight. The development began in 1961 and the batch production began in 1966. There were both land based and naval variants produced. Users Ship classes using the Type 61: * Beihai class gunboat * Type 010 minesweepers * Type 021-class missile boat * Type 024 missile boat *Type 037 corvette *Type 062 class gunboat Type may refer to: Science and technology Computing * Typing, producing text via a keyboard, typewriter, etc. * Data type, collection of values used for computations. * File type * TYPE (DOS command), a command to display contents of a file. * Ty ... * Type 648 repair ship * Type 067 landing craft utility * Type 072 landing ship * Type 074 landing ship * Type 074 landing ship medium * Type 073 landing ship medium * Type 079 landing ship medium See also * M1940 (72-K) - The Type 61's Soviet predecessor. References {{reflist Extern ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
AA Gun
Anti-aircraft warfare (AAW) is the counter to aerial warfare and includes "all measures designed to nullify or reduce the effectiveness of hostile air action".AAP-6 It encompasses surface-based, subsurface ( submarine-launched), and air-based weapon systems, in addition to associated sensor systems, command and control arrangements, and passive measures (e.g. barrage balloons). It may be used to protect naval, ground, and air forces in any location. However, for most countries, the main effort has tended to be homeland defense. Missile defense is an extension of air defence, as are initiatives to adapt air defence to the task of intercepting any projectile in flight. Most modern anti-aircraft (AA) weapons systems are optimized for short-, medium-, or long-range air defence, although some systems may incorporate multiple weapons (such as both autocannons and surface-to-air missiles). 'Layered air defence' usually refers to multiple 'tiers' of air defence systems which, when ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Pennant Number
In the Royal Navy and other navies of Europe and the Commonwealth of Nations, ships are identified by pennant number (an internationalisation of ''pendant number'', which it was called before 1948). Historically, naval ships flew a flag that identified a flotilla or type of vessel. For example, the Royal Navy used a red burgee for torpedo boats and a pennant with an H for torpedo boat destroyers. Adding a number to the type-identifying flag uniquely identified each ship. In the current system, a letter prefix, called a ''flag superior'', identifies the type of ship, and numerical suffix, called a flag inferior, uniquely identifies an individual ship. Not all pennant numbers have a flag superior. Royal Navy systems The Royal Navy first used pennants to distinguish its ships in 1661 with a proclamation that all of his majesty's ships must fly a union pennant. This distinction was further strengthened by a proclamation in 1674 which forbade merchant vessels from flying any ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Bangladesh Navy
The Bangladesh Navy () is the naval warfare branch of the Bangladesh Armed Forces, responsible for the defence of Bangladesh's of maritime territorial area from any external threat, the security of sea ports and exclusive economic zones of Bangladesh. The Bangladesh Navy today is typically categorized as a Green-water navy both domestically and internationally. History Origins The Bangladesh Navy was created as part of Bangladesh Forces during Bangladesh's 1971 liberation war against Pakistan. Its official creation date is July 1971 during the Bangladesh Sector Commanders Conference 1971. In 1971, with West Pakistan imposing a brutal military crackdown in East Pakistan, the Bangladesh Liberation War was already underway. Many Bengali sailors and officers in the Pakistan Navy defected to form the nascent Bangladesh Navy. Initially, there were two ships, ''PADMA'' and ''PALASH'', and 45 navy personnel. On 9 November 1971, the first naval fleet, consisting of six small ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Ship Commissioning
Ship commissioning is the act or ceremony of placing a ship in active service and may be regarded as a particular application of the general concepts and practices of project commissioning. The term is most commonly applied to placing a warship in active duty with its country's military forces. The ceremonies involved are often rooted in centuries-old naval tradition. Ship naming and launching endow a ship hull with her identity, but many milestones remain before it is completed and considered ready to be designated a commissioned ship. The engineering plant, weapon and Electronics, electronic systems, Galley (kitchen), galley, and other equipment required to transform the new hull into an operating and habitable warship are installed and tested. The prospective commanding officer, ship's officers, the petty officers, and seamen who will form the crew report for training and familiarization with their new ship. Before commissioning, the new ship undergoes sea trials to identify a ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
Dual-purpose Gun
A dual-purpose gun is a naval artillery mounting designed to engage both surface and air targets. Description Second World War-era capital ships had four classes of artillery: the heavy main battery, intended to engage opposing battleships and cruisers of 305 mm to 457 mm (12 inch to 18 inch); a secondary battery for use against enemy destroyers of 152 mm to 203 mm (6 inch to 8 inch); heavy anti-aircraft guns of 76 mm to 127 mm (3 inch to 5 inch), which could create barrages to knock out airplanes at a distance; finally, light rapid-fire anti-aircraft batteries (A/A) to track and bring down aircraft at close range. The light A/A was dispersed throughout the ship and included both automatic cannons of 20 mm to 40 mm (.787 inch to 1.57 inch) and heavy machine guns of 12.7 mm to 14.5 mm (.50 inch to .58 inch). During World War II, the US Navy, Royal Navy, the French Navy, and the Imperial Japanese Navy combined the secondary bat ... [...More Info...] [...Related Items...] OR: [Wikipedia] [Google] [Baidu] |
