“Canada taps Davie for three AHTS-conversion medium icebreakers”–Marine Log


Our resident icebreaker expert, Tups, told us in a comment this was coming. Marine Log confirms the official announcement.

“On behalf of the Canadian Coast Guard, Public Services and Procurement Canada has issued an Advanced Contract Award Notice (ACAN) to shipbuilder Chantier Davie of Lévis, Quebec, for the acquisition and conversion of three medium commercial icebreakers.

“… The three candidate ships proposed by Project Resolute for this role are the Viking Supply Ships AB vessels Tor Viking II, Balder Viking and Vidar Viking.

There was an earlier proposal to lease these three ships and the icebreaking anchor handling vessel Aiviq, but these three will be purchased and there is no mention of the Aiviq in the announcement.

Based on the accompanying illustration, conversion will add a helo deck and hangar. These ships are 82 meters (276 ft) in length, 18 m (59 ft) of beam, and 18,300 HP.

The first of these is expected to go to work this winter.

17 thoughts on ““Canada taps Davie for three AHTS-conversion medium icebreakers”–Marine Log

    • Because the USCG does not want a) ships built to full commercial specifications, b) second-hand ships or c) ships built at foreign shipyards.

      There is, of course, one US-built icebreaking AHTS currently without work, but the USCG didn’t appear to like it very much.

      • Chuck IF the USCG needs interim ships then your rationale is myopic. the method to acquire short-term ship assets is chartering and that by definition means the charterer does not have complete control over the chartered ship. They are the 80% solution. And are quicker to procure and easier to dipose of.

        Buying any ship for the US govt is time consuming and costly. SO three old birds in hand for 5 years versus wait many years for the golden goose?

  1. Don’t expect to see these Medium Icebreakers any time soon! The Canadian Government has Push Back the Delivery Date to 2028…

      • A total of Eight Vessels are being built! Three Heavy Icebreakers, Three Medium Icebreakers and Two AOR Supply Vessels. The Three Medium Icebreakers are to be used in the Canadian Great Lakes near the Saint Lawrence Seaway…

      • Davie’s has made several trips to the Aiviq located in Florida. North American Shipyards of Larose, Louisiana and LaShip Shipyards in Houma, Louisiana are doing the conversions…

      • Sorry don’t have them, didn’t bother to write them down. To busy trying to find Construction Cost of New Icebreakers and why the US Government wasn’t actively looking to find a near term or foreseeable solution to the Icebreaker question…

      • Secundius, there are no second-hand heavy polar icebreakers available in the market.

  2. Secundius those yards are part of the Chouest Bros empire and where other US govt ice-capable ships have been built. Where in FLA is the Aiviq?

  3. In the meanwhile, the Canadian shipping company Fednav claims they could provide interim icebreakers for the CCG at CA$240 million each with the delivery of the first vessel in 24 months, but they would be built overseas at Havyard shipyard in Norway, owned by Fednav, and leased to the Coast Guard.

    The article is in French, but Google Translate does quite a good job. There’s also a couple of conceptual renderings.


    Havyard has previously built the three Viking AHTS icebreakers the CCG is now acquiring, as well as three similar ships for Russia. It should be noted that none of these are heavy diesel-electric icebreakers, but more similar to Aiviq in terms of primary mission (AHTS/offshore) and vessel configuration (diesel-mechanical shaftlines with CP propellers and nozzles):


  4. The project is moving forward:


    CA$610 million feels like a lot for three 20-year-old vessels plus conversion for the first one. According to Viking’s press release, the impact to net result is US$274 million but I don’t know this is directly translatable to the purchase price.


    All three ships have left their long-term layup and are now anchored off Skagen, likely awaiting bunkers for Atlantic crossing.

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