Saturday, August 20, 2011

INS Satpura, the frigate class stealth warship INS सातपुडा नौदलात दाखल

देशाच्या सागरी सीमांवर निर्माण झालेल्या नव्या आव्हानांचा सामना करण्यासाठी भारतीय नौदलात शिवालिक गटाची आयएनएस सातपुडा ही स्टेल्थ युद्धनौका दाखल झाली आहे. कोणत्याही प्रकारच्या रडारपासून स्वतःचे अस्तित्व लपवण्याची क्षमता या युद्धनौकेत आहे.

मुंबई बंदरात झालेल्या सोहळ्यात नौदलप्रमुख निर्मल वर्मा यांच्या हस्ते आयएनएस सातपुडा आज (शनिवारी) नौदलात दाखल करण्यात आली. माझगाव गोदीने तयार केलेल्या या युद्धनौकेत जमिनीवरुन जमिनीवर तसेच जमिनीवरुन आकाशात मारा करणारी क्षेपणास्त्रे, विमानवेधी तोफ, शत्रुच्या हालचालींचा तसेच त्याच्याकडे असणा-या क्षेणास्त्रांचा आणि अन्य शस्त्रांचा वेध घेणारे रडार अशी अत्याधुनिक यंत्रणा आहे.

भारतीय नौदल आणि भारत इलेक्ट्रॉनिक्स यांनी आयएनएस सातपुडा युद्धनौकेसाठी अत्याधुनिक कॉम्बॅक्ट मॅनेजमेंट सिस्टिम विकसित केली आहे. या यंत्रणेच्या सहाय्याने अल्पावधीत ताशी ३० सागरी मैल (ताशी ५५ किलोमीटर) वेगाने हालचाल करुन युद्धक्षेत्रात स्वतःचा प्रभाव निर्माण करण्याची क्षमता सातपुडा युद्धनौकेला मिळाली आहे.

आण्विक, रासायनिक, जैविक हल्ले आणि समुद्रात विविध कारणाने होणारे प्रदूषण अशा सर्व आव्हानांचा सामना करण्याची ताकद सातपुडा युद्धनौकेत आहे.


The frigate class stealth warship will be commissioned into the Indian Navy on August 20, 2011; it adds new fire power and muscle with its ability to deal with multiple threat environment and being well equipped for both area and point defence systems
INS Satpura, the frigate class stealth warship, will be commissioned in the Indian Navy on August 20, 2011. Defence Minister A K Antony will induct the frigate in a ceremony held at Mazagon Docks, Mumbai. INS Satpura is the second of three ship Project-17 frigates.
The 143 meter-long warship, with 6,000 tonnes displacement, has "versatile control systems with signature management and radar cross-section reduction features." Commissioning of the Satpura and its predecessor, Shivalik has brought India in the league of those few who have capability to build stealth warship. Other countries having similar capacity are the USA, the UK, Russia, France, China, Japan and Italy.
It is a red letter day for Navy, armed forces and ship building industry of India. With Satpura and Shivalik, India can consider itself as a really potent force. The Navy has to maintain eternal vigilance since India has a long coastline. There is a need to maintain high-level of operational readiness at all times. Only a professional Navy can meet all its challenges.
 The Navy currently has a fleet of 130 warships, with one aircraft carrier, 20 landing ships, eight destroyers, 12 frigates and 16 attack submarines based in four commands headquarter.
Both Satpura and Shivalik can deal with multiple threat environment and is well equipped for both area and point defence system. They are equipped with sensors for air, surface and subsurface, surveillance, electronic, support and counter equipment. One more of the Shivalik class-INS Sayahadri would be ready for induction shortly.
The S-class Frigate Satpura is a multirole stealth ship incorporating advanced signature suppression and signature management features along with both air defence and anti-sub marine capabilities.
The 6200-kg INS Satpura is the second indigenous stealth frigate that will provide the sea wing the capability to launch surprise attacks on enemy target from very close range than other warships. Satellites can give inputs to the frigate on lurking enemy vessels and Satpura can creep as close as possible to the target without being detected. It can then fire and scoot.
In fact, during sea trials, Indian battleships that tried trailing Satpura could not detect it on their radar within a radius of 100 km.
Satpura, like its predecessor Shivalik, is one of the heaviest frigates in the world. Powering the ship is the LM 2500 Gas Turbine engines that can give it an enviable top speed in excess of 30 knots, enabling it to shoot and scoot at an impressive rate. The option to switch over the diesel engines gives the warship an endurance of over 9,000 km and it can sail non-stop without refueling for a month.
Satpura will carry surface-to-surface Klub missile, surface-to-air Shtil and point defence Barak missile system. Though it does not have torpedoes it has Sea King attack helicopters that can launch anti-submarine warfare.
Satpura is designed in such a way that it has reduced radar reflections, changed geometry of structures on top, very few projections on the upper deck that is normally a giveaway for other fighter ships, muffled noise vibration as well as lower magnetic and heat signatures. This is one generation ahead of the Talwar class.
Measuring 142.5 m from bow to stern, Satpura has a range of about 5,000 nautical miles at a cruising speed of 18 knots. On board manning the frigate would be 257 naval men, which includes 35 officers and 222 sailors. It can be at sea for almost a month without touching a port or mid-sea refuelling.
One of the major plus points is that Satpura can operate in a nuclear, biological, chemical weapons (NBC) environment. Its air filters do not allow any outside air to come inside in a NBC zone.
According to Mazgaon Dock Ltd (MDL) Chairman and Managing Director, Vice Admiral (Retd) HS Malhi, "Nowhere in the world ship of this size has been incorporated with stealth features. It is a 6000 tonne ship and is the largest stealth frigate in the world." It was MDL that built INS Satpura and its predecessor, INS Shivalik.
The new design features give the ship enhanced operational capabilities in terms of survivability, stealth, sea keeping, ship handling and weapons. The Shivalik-class vessels are being built entirely in India and have Klub anti-ship missiles, Shtil surface-to-air missiles, Barak air and missile defence systems and RBU 6000 anti-submarine warfare rockets.
Satpura is also equipped with state-of-the-art defence against nuclear, biological and chemical attacks. "The Atmospheric Control System filters controls the temperature and humidity of the air coming into the ship at all times, including the air being used by the engines. It removes any radioactive, chemical or biological impurities, thereby protecting the crew and the systems even during a nuclear, biological or chemical attack," said Vice Admiral Malhi.
The total indigenous efforts account for over 60 percent of ship cost. It also has stealth features against radar and heat seekers and through technical means its underwater signatures have also been reduced.
The cost of building each Shivalik class frigate will be close to Rs 2,800 crores. The construction of the ship has been done under the massive modernisation that the Indian Navy is undertaking to increase its fleet strength. Construction of INS Shivalik was commissioned in 2002, Satpura in 2004 and Sahyadri in 2005, respectively.
The follow-on of the Shivalik class would be of Project 17 Alpha, under which a total of seven ships will be built.


Navy adds stealth frigate to its fleet



The Indian Navy has added some more metal to its fleet on Saturday with the commissioning of a new stealth frigate. The INS Satpura, built by the Mazgaon Docks Ltd and handed over to the Indian Navy was commissioned by the chief of naval staff, Admiral Nirmal Verma.
The INS Satpura is the second of the indigenously designed and constructed stealth frigates of the Shivalik Class.
Speaking at the commissioning ceremony, Admiral Verma said that the INS Satpura was a step closer towards becoming self sufficient in warship production. "India's destiny to take her rightful place amongst the top economies of the world is inextricably linked with ensuring unhindered global trade in a secure maritime environment. I believe that with the commissioning of INS Satpura we are taking another decisive stride in this direction today."
The INS Satpura is armed with surface, surface to air and sub-surface defence weapons. It can detect enemy at long ranges and engage in long range combat with an array of surface, sub-surface and air-defence weapons. Two helicopters are embarked upon the ship which enhances its surveillance and attack capabilities.
It has a state-of-the-art 'Total Atmospheric Control System' (TACS) that ensures complete removal of radioactive, chemical or biological impurities, thereby protecting the crew and ship borne systems.
Talking about the three recent incidents wherein two ships got grounded at the Mumbai coast while one sank in the Mumbai high sea, Admiral Verma said "The coordination between other agencies involved in maritime security and navy has increased and the warships deployed are keeping watch on all vessels using the shipping route".
The formal ceremony began with the Colour Guard presenting arms while the national flag and naval ensign were hoisted along with the Commissioning pennant for the first time on board the ship, thus marking its induction into the naval fleet.

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