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D

delft

Brigadier
siegecrossbow said:
Steam doesn't make sense on something as small as a tugboat anymore.
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I know, for the last half century at least. But does everyone know it already?
Btw I remember a design for a large coal burning bulk carrier from the oil crisis of 1973. The price in reduced efficiency and increased bunker size was more than impressive.
 
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aksha

Captain
update on vikrmaditya
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The newly-inducted aircraft carrier INS Vikramaditya, he said, was now docked safely at Karwar. “They are now rechecking all critical systems. A group of Russian technicians who accompanied the vessel has gone back, but the guarantee team is still there. And the Indian Navy is capable of doing the work. Meanwhile, naval combat pilots are training on the carrier, which will be operational very soon
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A

aksha

Captain
L&T pioneers torpedo-tube AUV, Navy interested
By SP's Special Correspondent

February 17, 2014: The Indian Navy is now keenly tracking an advanced programme unveiled at the recently concluded Defexpo event: the Adamya autonomous underwater vehicle (AUV) developed and built in-house by L&T Heavy Engineering. While the navy has a stated requirement for AUVs, the Adamya has caught its attention for a reason. According to L&T, "Adamya is the next step into the world of unmanned naval warfare and coastal defence. Its unique design allows it to be launched from the torpedo tube of a submarine—a pioneering feat globally."

L&T has highlighted several features on the Adamya to the Navy, including the fact that the vehicle's modular design and depth-rated shells enable mission customisation as per the Navy's needs without having to resort to pressure-proofing of the internal electronic systems. Other qualities include short turnaround time and ability to be air-shipped conveniently. The Adamya is being pitched for naval applications that include hydrographic survey (the Hydrography Dept. incidentally is also looking for AUVs), mine countermeasures, intelligence-surveillance-reconnaissance (ISR), offshore survey, clandestine monitoring, environmental monitoring and optional anti-submarine warfare. The 18.7 feet, 850 kg platform sports an endurance of 8 hours at 4 knots (with maximum forward speed of 6 knots) with a customisable depth rating of 500 metres.
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aksha

Captain
Two Indian Navy officers missing in INS Sindhuratna submarine fireRead more at:
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Two naval officers are 'unaccounted for' after a fire onboard an Indian naval Kilo class submarine. The fire and smoke broke out in the third compartment of the INS Sindhuratna, a submarine undergoing trials off Mumbai this morning.

The incident occurred at around 6.30 am nearly 50 km off the city where she was undergoing acceptance trials after finishing a refit.


The fire in the forward battery compartment triggered off the release of the submarine's 'Lokh' station that discharges Freon gas. Five crewmen who were heli-lifted to safety after inhaling the poisonous gas. Freon is used in submarine fire-fighting systems because it rapidly displaces oxygen in confined spaces and kills fire. It can, however, also prove lethal to crewmen who are not wearing emergency breathing apparatus. The trials were being supervised by the western fleet's Commodore Submarines or Comcos (west).
The Sindhuratna is one of the navy's fleet of nine Kilo class submarines. A tenth submarine, the INS Sindhurakshak exploded and sank in the naval dockyard on August 14, 2013 killing 18 crewmen on board. The Sindhuratna was moored nearby and suffered minor fire damage.

Wednesday's incident was similar to one on November 8, 2008 when the accidental discharge of Freon gas on an Akula class nuclear-powered attack submarine killed 20 Russian personnel and injured 41 others. The submarine, the Nerpa, was leased to India in 2012 as the INS Chakra.





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aksha

Captain
INS Sindhuratna mishap: Two officers feared dead, 7 sailors injured
Months after a fire on the INS Sindhurakshak killed 18 personnel, two officers were feared dead and seven other Navy personnel seriously injured in a mishap involving the Russian-origin Kilo Class submarine INS Sindhuratna off the coast of Mumbai on Wednesday. The two officers, a Lieutenant and a Lieutenant Commander, were initially declared missing.
Close to 80 sailors were on board the Sindhuratna when the incident took place early on Wedenesday.
The Navy said there was no explosion on board the Sindhuratna but heavy smoke was observed leading to the sealing of compartment 3. Initially, an explosion in the battery compartment of the submarine was suspected to be the reason behind the accident.
The Navy said all seven sailors who had been evacuated after smoke inhalation on Sindhuratna are out of danger but two officers are still missing.
The two officers missing (and feared dead) were inside compartment 3 of Sindhuratna that was sealed shut after heavy smoke detected.
Currently, the compartment 3 is being force ventilated while the search is on at cabins within the compartment for the missing officers.
The Sindhuratna had no weapons on board and it was undergoing sea inspection after a six-month refit in Mumbai.
This is the tenth accident involving an Indian Navy warship and the third submarine mishap in the last seven months.
INS Sindhuratna was involved in an exercise along the Mumbai harbour when a leakage in the battery compartment of the submarine occurred resulting in five Naval personnel suffering suffocation, Navy sources said. The Navy personnel fell unconscious and had to be airlifted to the naval hospital INS Ashwini in Mumbai, they said.
The sources said a Board of Inquiry under a senior officer has been ordered to ascertain the reason behind the mishap. A Navy spokesperson refused to comment on the issue. It is learnt that a senior naval officer of the submarine wing was present on Sindhuratna when the incident took place.
Around a month ago, INS Sindhughosh had a close shave when it entered the Mumbai harbour during a low-tide phase and was about to run aground. INS Sindhurakshak sank in the Mumbai harbour last year, killing all 18 personnel on board. Defence Minister AK Antony has sought a detailed report from the Navy on the issue.
Earlier this month, INS Airavat, an amphibious warfare vessel, ran aground after which the commanding officer was stripped of his command duties.After the sinking of the INS Sindhurakshak, one of the mishaps involved INS Betwa which was damaged after probably hitting some underwater object. India’s leading minesweeper, the INS Konkan that was undergoing repairs in Vizag, caught fire and suffered major damage to its interiors.
The Pondicherry-class minesweeper was getting a refit at a dry dock when the incident occurred. The naval headquarters is concerned over the spate of mishaps in the Western Command and had even summoned Western Naval Commander Vice Admiral Shekhar Sinha on the issue.
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Jeff Head

Jeff Head

General
Registered Member
aksha said:
INS Sindhuratna mishap: Two officers feared dead, 7 sailors injured
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Sad thing. Naval duty is inheritently dangerous.

Having said that, with so many fire incidents on the Kilos, IMHO, an in depth review of the Indian Navy's safety and handling practices on the Kilos need to be conducted poste haste..

Too many incidents...too many Indian sailors dying.
 
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aksha

Captain
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Navy chief Admiral D.K. Joshi quits after INS Sindhuratna mishap
Admiral takes moral responsibility of the submarine incidents; vice chief of naval staff R.K. Dhowan is now acting chief

New Delhi: India’s navy chief Admiral D.K. Joshi resigned on Wednesday “taking moral responsibility for the accidents and incidents which have taken place during the past few months”, a government statement said. The resignation came hours after submarine INS Sindhuratna had a mishap 80km off the Mumbai coast in which seven sailors were taken seriously ill and two officers were missing.
This is the first time an Indian naval chief has resigned on his own from his position. In 1998, then defence minister George Fernandes had sacked Vishnu Bhagwat, the navy chief, in a disciplinary action against him.

The government has accepted Joshi’s resignation and has asked the vice chief of naval staff R.K. Dhowan to discharge Joshi’s duties.

“Taking moral responsibility for the accidents and incidents which have taken place during the past few months, the chief of naval staff Admiral D.K. Joshi today resigned from the post of navy chief,” the defence ministry said. “The government has accepted the resignation of Admiral Joshi with immediate effect,” it said.

After the Navy was hit this morning by the 10th mishap involving its warships in the last seven months, the concerned defence ministry sought a detailed report from the force.

Smoke engulfed the Russian-made submarine and the seven affected sailors had to be airlifted to a hospital in Mumbai. A specialist in anti-submarine warfare, Admiral Joshi had taken over as the Navy Chief on 31 August 2012.

In his resignation letter, Joshi said though the government continued to repose faith is his capabilities, it was becoming untenable for him to continue as the head of the maritime force in terms of accountability.

Joshi served in a variety of command, staff and instructional appointments during his 41-year career including the captainship of guided missile corvette INS Kuthar, guided missile destroyer INS Ranvir and the aircraft carrier INS Viraat.

In senior ranks, Joshi served as assistant chief of personnel (human resource development), in Warship Production and Acquisition as Assistant Controller of the Aircraft Carrier Programme (ACCP), and thereafter in the operations branch both as assistant chief of naval staff (information warfare and operations) and as the deputy chief of naval staff.

Today’s mishap was the 10th involving an Indian navy warship and the third involving a submarine in the last seven months since the sinking of INS Sindhurakshak in August in which all 18 personnel on board were killed.

INS Sindhuratna was at sea off Mumbai for routine training and work-up (inspection) in the early hours of on Wednesday, when smoke was reported in the sailors’ accommodation, in compartment number three, by the submarine, the Navy said in a press release.

Western Command’s Commodore Commanding Submarine (COMCOS) commodore S.R. Kapoor was on board the vessel carrying out an inspection before it was to be cleared for operational duties, navy officials said.

“We immediately activated our emergency fire-fighting exercise and seven personnel who had inhaled smoke were airlifted to a hospital.

Two officials are unaccounted for. They might have been left in the cabin or at some other place as various cabins and compartments are isolated as part of the emergency measures,” officers said.

The injured has been admitted to the naval hospital INS Ashwini after they were airlifted by aeaking multirole helicopters in multiple sorties.

PTI contributed to this story.
 
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