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HMS Activity

HMS Activity, 1942
HMS Activity underway in the Firth of Forth, October 1942.
History
United Kingdom
Name: HMS Activity
Builder: Caledon Shipbuilding & Engineering Company, Dundee
Laid down: 1 February 1940
Launched: 30 May 1942
Commissioned: 29 September 1942
Decommissioned: 20 October 1945
Renamed: Empire Activity February 1941
Honours and
awards:
Atlantic 1944, Arctic 1944-45
Fate: Sold into merchant service as Breconshire 25 March 1946.
General characteristics
Displacement: 14,250 long tons (14,480 t) fully loaded
Length: 512 ft 9 in (156.29 m)
Beam: 66 ft 6 in (20.27 m)
Draught: 25 ft (7.6 m)
Installed power: 12,000 hp (8,900 kW)
Propulsion:
Speed: 18 kn (21 mph; 33 km/h)
Complement: 700
Armament:
Aircraft carried: 10
Aviation facilities:
  • 1 × lift, 42 ft × 20 ft (12.8 m × 6.1 m)
  • 1 × catapult
MV Breconshire 1958
MV Breconshire, 1958
 
Name: Breconshire
Port of registry: United Kingdom United Kingdom
In service: September 1946
Out of service: April 1967
Fate: Scrapped
General characteristics
Tonnage: 9,061 grt
Length: 512 ft 8 in (156.26 m)
Beam: 66 ft 4 in (20.22 m)
Draught: Ship power=12,000 hp (8,900 kW)
Propulsion:
  • 2 × diesel engines
  • 2 × screws
Speed: 18 kn (21 mph; 33 km/h)

HMS Activity was an escort carrier that served with the Royal Navy of the United Kingdom during the Second World War. After the war, she was sold into merchant service as the MV Breconshire, serving for over 20 years until scrapped in 1967.

HMS Activity was built at Caledon shipyards in Dundee. When construction started in 1940 she was intended to become the refrigerated cargo ship Telemachus for the Alfred Holt Line. In February 1941, she was taken over by the Ministry of War Transport and renamed Empire Activity. In January 1942, she was requisitioned by the Admiralty for conversion to an escort carrier, now named HMS Activity and carrying pennant number D94. Following her launch in May 1942 and completion in August of that year, Activity worked up at Lamlash before going to Rosyth for rectification of defects. Entering service on 1 January 1943, Activity operated as a deck landing training carrier until October 1943, when she was sent to Liverpool for a refit before entering active service.

After her refit, Activity took part in convoy escort duties in the North Atlantic. Activity embarked 819 Naval Air Squadron on 12 January 1944, and began escort duties on the 29 January as part of the Second Escort Group. Activity was involved in the escort of convoys OS 66, KMS 40, ON 222, NS 28, SL 147, MKS 38, HX 277, KMS 43 and MKF 29 in the period to March 1944. Following this, Activity moved to the Arctic, escorting convoy JW 58 to Murmansk. Her aircraft—together with those from Tracker—were responsible for the sinking of U-boat U-288, and U-355, as well as damaging U-362, U-673 and U-990. The return convoy—RA 58—reached its destination without loss.


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