Niagara Queen II

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The Niagara Queen II is a small icebreaker that Ontario Hydro uses to keep the inlet ports open at their plant on the Niagara River at Niagara Falls.[1][2][3][4][5] The vessel displaces just 65 tons.

She was manufactureed by Hike Metals & Shipbuilding Limited, of Wheatley, Ontario, Canada, in 1992.[6]


Length 26.8 m (87.93 ft)
Breadth 5.5 m (18.04 ft)
Depth 2.9 m (9.51 ft)
Draft 1.9 m (6.23 ft)
Speed 10 knots
Displacement 85 Tonnes
Endurance 7 Days
Power 1,280 kilowatts
Complement 6


  1. Paul Baswick. OPG Ice Breaker heads to Port Maitland, Dunnville Chronicle, 2011-08. Retrieved on 2011-09-05. “The ship operates some 300 yards above the crest of the falls, keeping OPG's power station water intakes free from large sheets of ice.”
  2. (1963-01-18). "Crane to Rescue Of Ice Breaker Caught in Ice Jam". Boston Globe. Retrieved on 2011-09-05.
  3. Niagara: Life and death on the river, Niagara Frontier, 1966-04-24. Retrieved on 2011-09-05. “In order to rescue the icebreaker and it's crew, a twelve passenger Sikorski helicopter was brought in to drop a lifeline to the stranded boat.”
  4. D. McMillan. Design, construction, and operation of Niagara River icebreakers, Marine Technology, 1993, p. 101-104. Retrieved on 2011-09-05. “Results of maneuvering trials and model tests are given, along with a comparison between hull forms of the two vessels-Ontario Hydro's Niagara Queen II and the William H. Latham, operated by the New York Power Authority”
  5. Frozen Niagara Falls, CHCH News, 2018-01-05. Retrieved on 2018-10-28. “And dealing with all of that ice is a job only an ice breaker can handle. The “Niagara Queen” can be found on the Niagara River, breaking up ice and pushing it over the falls.”
  6. 6.0 6.1 Niagara Queen II, STX Marine. Retrieved on 2011-09-05. mirror

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