Harry DeWolf class fact sheet

The Harry DeWolf-class Arctic and Offshore Patrol Vessels (AOPV) enhance the Royal Canadian Navy’s (RCN) ability to assert Canadian sovereignty in Arctic and coastal Canadian waters, and support international operations.


  • Length: 103 metres
  • Beam: 19 metres
  • Max speed: 17 knots (31 km/h)
  • Design displacement: 6,290 tonnes
  • Design draught: 5.63 m
  • Deep departure displacement: 6,660 tonnes
  • Deep departure draught: 5.85 m


  • Accomodations for 65 crew + 20 mission crew
  • Medical facilities
  • Shipboard Wi-Fi
  • Dedicated gym/fitness facilities


Integrated bridge navigation system

Modern integrated bridge from which control of navigation, machinery and damage control systems can be performed.

Multi-purpose operational space

Where operational planning and mission execution is coordinated.

Multi-role rescue boats

Top speed of 35+ knots (~65 km/h) and 8.5 meters long. These boats will support rescues, personnel transfers and boarding operations.

25 MM MK 38 Gun

A remote-controlled fun to support domestic constabulary role.

Helicopter capability

Depending on the mission, an embarked helicopter could range from a small utility aircraft to a CH-148 Cyclone maritime helicopter.

Vehicle bay

For rapid mobility over land or ice, the vessel can carry vehicles such as pickup trucks, all-terrain vehicles (ATVs), and snowmobiles.

Cargo and payloads

The vessel can use multiple payload options such as shipping containers, underwater survey equipment or landing craft. The vessel has a 20-tonne and 3-tonne crane.

Diesel/Electric propulsion

Two 4.5 megawatt main propulsion engines, with four 3.6 megawatt generators.

Retractable active fin stabilizers

Used to reduce ship roll for open ocean operations. Retractable for ice operations.

Bow thruster

To enable manoeuvering or berthing without tug assistance.

Enclosed fo’c’sle/Cable deck

Protects foredeck machinery and workspace from harsh Arctic environment.

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