Diesel-electric icebreaker of 7 MW power Iliya Muromets (Project 21180)


KM Icebreaker6 [1] AUT1-ICS FF3WS EPP HELIDECK Special purpose ship of Russian Maritime Register of Shipping


Icebreaker support of stationing and deployment of naval forces in ice conditions, independent pilotage of ships and vessels, towing of vessels and other floating facilities in ice conditions and in open water, fire extinguishing on the emergency objects.

Additional tasks: Oil spill containment and recovery of oil products with flash point more than 60°С from sea surface (OSR equipment of container type, stored on base), helicopter landing (without basing and refueling), carriage of containers on the open part of the upper deck, including refrigerated containers with appropriate power supply, as well as other deck and hold cargoes.


  • Anchor mooring winch, pcs. x kN          2x200
  • Mooring capstan, pcs. x kN                   2x190
  • Towing winch, pcs.                                         1
  • Davit-launched liferaft, pcs. x pers.       4x25
  • Lifeboat, pcs. x pers.                                4x41
  • Rescue boat, pcs. x pers.                          1x6
  • Service boat, pcs. x pers.                        1x14
  • Thruster, kW                                               700

Cargo-handling gears:

  • Aft electro-hydraulic double-hook cargo crane
    • outreach, m                                                                                                                          21.0
    • capacity on the main/auxiliary winch, t                                                                            26/5
  • Electro-hydraulic cargo  crane with a telescopic boom, capacity, t / outreach, m    2.0x21.0

Oil spill response equipment (OSR): Container-type complex of OSR equipment based on three standard 20' ISO containers, boom-laying boat for 10 persons

Research support equipment:

  • Hydrological laboratory based on a standard 40’ container
  • Hydrographic survey boat, project 21961                                                        2
  • Self-propelled lighter, project 20930                                                                1
  • Launching/hoisting gears for hydrographic equipment, pcs. x t 1x0.5 1x1.0
  • Hydrographic equipment based on multibeam echo sounder Sea Bat 7111


JSC Admiralty Shipyards, St. Petersburg. The icebreaker was built in 2017.

Main Features

  • Length overall, m 85.0
  • Length at DWL, m 78.8
  • Breadth overall, m 20.0
  • Breadth moulded, m 19.2
  • Depth, m 9.2
  • Design draft at DWL, m 6.6
  • Speed, full/cruising, knots 15/11
  • Endurance by fuel stores, days 30
  • Cruising range at cruising speed, miles 9000
  • Crew/special personnel, pers./berths 35/47/84
  • Ice-breaking capability at ahead/astern running, m 0.9/0.7
  • Bollard pull, kN ab. 930

Power plant

  • Main diesel generator, pcs. x kW 4x3000
  • Harbour diesel generator, pcs. x kW 2x500
  • Emergency diesel generator, pcs. x kW 1x300
  • Steam boiler, pcs. x capacity, kg/h 2x3000

Chief Designer

M.V. Bakhrov