HMS Orion (85)

HMS Orion was a Leander-class light cruiser which served with distinction in the Royal Navy during World War II. She received 13 battle honours, a record only exceeded by HMS Warspite and matched by two others.

HMS Orion
History
United Kingdom
NameHMS Orion
BuilderDevonport Dockyard / Vickers Armstrong, Barrow-in-Furness
Laid down26 September 1931
Launched24 November 1932
Commissioned18 January 1934
Decommissioned1947
IdentificationPennant number: 85
FateSold for scrap 19 July 1949
General characteristics
Class and typeLeander-class light cruiser
Displacement
  • 7,270 tons standard
  • 9,740 tons full load
Length554.9 ft (169.1 m)
Beam56 ft (17 m)
Draught19.1 ft (5.8 m)
Installed power72,000 shaft horsepower (54,000 kW)
Propulsion
  • Four Parsons geared steam turbines
  • Six Admiralty 3-drum oil-fired boilers
  • Four shafts
Speed32.5 knots (60 km/h)
Range5,730 nm at 13 knots
Complement
  • Peacetime 550
  • Wartime 680
Sensors and
processing systems
  • type 284/286 air search radar
  • type 273/271 surface search
  • type 285 6 inch (152 mm) fire control
  • type 282 40 mm fire control
Armament
  • Original configuration:
  • 8 × BL 6 inch Mk XXIII naval guns
  • 4 × 4-inch (102 mm) guns
  • 12 × 0.5 in machine guns
  • 8 × 21 in torpedo tubes
  • In 1945:
  • 8 × 6 in (152 mm)
  • 8 × 4 in (102 mm)
  • 16 × 40 mm
  • 8 × 21 inch (533 mm) torpedo tubes (quadruple mounts)
Armour
  • 4 in (102 mm) main belt
  • 2.5 in (64 mm) ends
  • 1.25 to 2 in (32 to 51 mm) deck
  • 1 in (25 mm) turrets
Aircraft carried
  • One catapult-launched aircraft
  • Original type was a Fairey Seafox (K8571 shown in a 1937 photograph, and K8573 in a 1938 photograph)
  • Catapult and aircraft later replaced with Supermarine Walrus
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