Irving Shipbuilding successfully launches Canadian OPV HMCS William Hall

According to a tweet published by Irving Shipbuilding on November 27, 2022, the future Royal Canadian Navy Harry DeWolf-class OPV HMCS William Hall has successfully been launched.
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Russian Vyborg Shipyard laid the Purga ice class coastguard ship of project 23550 925 001 Future Canadian Navy's Harry DeWolf-class OPV HMCS William Hall. (Picture source: Irving Shipbuilding)

The Harry DeWolf-class offshore patrol vessels are designed for use in the Arctic regions of Canada for patrol and support within Canada's exclusive economic zone.

The vessel is 103.6 m (339 ft 11 in) long overall with a beam of 19.0 m (62 ft 4 in). The ship will have a displacement of 6,615 metric tons (6,511 long tons).

The ship has an enclosed foredeck that protects machinery and work spaces from Arctic climates. The vessel will be powered by a diesel-electric system composed of four 3.6-megawatt (4,800 hp) MAN 6L32/44CR four-stroke medium-speed diesel generators and two electric propulsion motors rated at 4.5 megawatts (6,000 hp) driving two shafts.

William Hall will be capable of 17 knots (31 km/h; 20 mph) in open water and 3 knots (5.6 km/h; 3.5 mph) while icebreaking in new year ice of 1-metre (3 ft 3 in) thickness.

William Hall will be able to deploy with multiple payloads, including shipping containers, underwater survey equipment or landing craft. Payload operations are aided by a 20-metric-ton (20-long-ton; 22-short-ton) crane for loading and unloading. The ship is equipped with a vehicle bay which can hold pickup trucks, all-terrain vehicles and snowmobiles.

The ship will also have two 8.5-metre (27 ft 11 in) multi-role rescue boats capable of over 35 knots (65 km/h; 40 mph). The ship will be armed with one BAE Mk 38 25 mm (0.98 in) gun and two M2 Browning machine guns.

The patrol ship has an onboard hangar and flight deck for helicopters up to the size of a Sikorsky CH-148 Cyclone. William Hall will have a complement of 65 and accommodation for 85 or 87.