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Passage Exercise (PASSEX)

Passage Exercise (PASSEX)


Indian Navy is undertaking a Passage Exercise (PASSEX) with the Russian Federation Navy (RuFN ) in the Eastern Indian Ocean Region (IOR).


  • The exercise involves the participation of RuFN guided-missile cruiser Varyag, the large anti-submarine ship Admiral Panteleyev and medium ocean tanker Pechenga.
  • Indian Navy is being represented by indigenously constructed guided-missile frigate Shivalik and anti-submarine corvette Kadmatt along with integral helicopters.
  • The exercise is aimed at enhancing interoperability, improving understanding, and imbibing best practices between both the friendly navies.
  • It would involve advanced surface and anti-submarine warfare exercises, weapon firings, seamanship exercises, and helicopter operations.
  • PASSEXs are conducted regularly by the Indian Navy with units of friendly foreign navies, whilst visiting each other’s ports or during a rendezvous at sea.

INS Shivalik:

  • It is a multi-role stealth frigate that has been built by shipyard Mazagaon Docks Limited (MDL) under Project 17.
  • The Atmospheric Control System filters and controls the temperature and humidity of the air coming into the ship at all times, including the air being used by the engines.
  • It has the indigenous Kavach chaff-dispensing system to counter incoming missiles, as also indigenous sonars and antisubmarine warfare systems.

INS Kadmatt:

  • It is the second ship of Project 28 (P28) class Anti-Submarine Warfare (ASW) Corvettes.
  • It is named after one of the large islands amongst the Lakshadweep group of Islands off the west coast of India.
  • INS Kadmatt has a multitude of networks to provide a contemporary and process-oriented System of Systems for optimal functioning of the warship such as:
    • Total Atmospheric Control System (TACS),
    • Integrated Platform Management System (IPMS),
    • Integrated Bridge System (IBS),
    • Battle Damage Control System (BDCS) and
    • Personnel Locator System (PLS)

Source: PIB