INS Udaygiri and INS Himgiri

Source:  IE

Context: The Indian Navy is commissioning two Nilgiri-class stealth guided-missile frigates, INS Udaygiri and INS Himgiri, at Visakhapatnam — the first time two major surface combatants from different Indian shipyards are inducted simultaneously.

About INS Udaygiri:

  • What it is?
    • Second ship of Project 17A Nilgiri-class frigates.
    • A modern, stealth-capable multi-mission warship designed for anti-surface, anti-air, and anti-submarine warfare.
  • Developed by:
  • Features:
    • Displacement ~6,670 tonnes, length 149 m, speed 28 knots.
    • Weapons: Long-Range Surface-to-Air Missiles (LRSAM), 8 BrahMos supersonic cruise missiles, Barak-8, lightweight torpedoes, rocket launchers, 127 mm main gun, AK-630 rapid fire guns.
    • Equipped with modern radars, sonar (Humsa-NG), and Shakti Electronic Warfare suite.
    • Propulsion: Combined Diesel or Gas (CODOG).
  • Significance:
    • Part of Eastern Naval Command (Sunrise Fleet).
    • Motto: Sanyuktaha ParamojayahaIn togetherness there is great victory.

About INS Himgiri:

  • What it is?
    • First Project 17A frigate built at GRSE.
    • Stealth guided-missile frigate with advanced weaponry and sensors.
  • Developed by:
  • Features:
    • Similar displacement and size to INS Udaygiri (~6,670 tonnes, 149 m).
    • Equipped with LRSAM, BrahMos missiles, Barak-8 system, torpedoes, rocket launchers, 127 mm gun, AK-630 guns.
    • Integrated stealth design with reduced radar cross-section.
    • Propulsion: CODOG, endurance 5,500 NM at economical speed.
  • Significance:
    • Part of Western Naval Command.
    • Motto: Adrushyam AjayamInvisible and invincible.