HMCS Rosthern

HMCS Rosthern was a Flower-class corvette that served in the Royal Canadian Navy during the Second World War. She served primarily in the Battle of the Atlantic as a convoy escort. She is named for Rosthern, Saskatchewan.

HMCS Rosthern, circa 1942-1944
History
Canada
NameRosthern
NamesakeRosthern, Saskatchewan
Ordered1 February 1940
BuilderPort Arthur Shipbuilding Company, Port Arthur
Laid down18 June 1940
Launched30 November 1940
Commissioned17 June 1941
Decommissioned19 July 1945
IdentificationPennant number: K169
Honours and
awards		Atlantic 1941-45
FateScrapped in June 1946.
General characteristics
Class and typeFlower-class corvette (original)
Displacement925 long tons (940 t; 1,036 short tons)
Length205 ft (62.48 m)o/a
Beam33 ft (10.06 m)
Draught11.5 ft (3.51 m)
Propulsion
  • single shaft
  • 2 × fire tube Scotch boilers
  • 1 × 4-cycle triple-expansion reciprocating steam engine
  • 2,750 ihp (2,050 kW)
Speed16 knots (29.6 km/h)
Range3,500 nautical miles (6,482 km) at 12 knots (22.2 km/h)
Complement85
Sensors and
processing systems
  • 1 × SW1C or 2C radar
  • 1 × Type 123A or Type 127DV sonar
Armament
  • 1 × BL 4 in (102 mm) Mk.IX single gun
  • 2 × .50 cal machine gun (twin)
  • 2 × Lewis .303 cal machine gun (twin)
  • 2 × Mk.II depth charge throwers
  • 2 × depth charge rails with 40 depth charges
  • originally fitted with minesweeping gear, later removed
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