CARDIGAN BAY was originally named LOCH LAXFORD as part of the Loch class AS frigate building programme, but 26 Lochs were scheduled for completion as Bay class AA frigates, named after bays in the United Kingdom. Only 19 were eventually completed as Bays; 2 were completed as despatch vessels, 4 as survey vessels and 1 cancelled.
HMS CARDIGAN BAY was built by Henry Robb Ltd, Leith.
Displacement 1580 tons standard
Length overall 307ft 3ins
Beam 38ft 6ins
Draught 12ft 9 ins
Boilers 2 x Admiralty 3-drum oil-fired boilers operating at 225 lb/sq in
Engines 4-cylinder triple expansion reciprocating engines driving 2 shafts giving a total of 5500 ihp
Speed 19 - 20 knots
Oil Fuel 720 tons
Guns 4 x 4-inch AA (2 x 2) 6 x 40mm AA (2 x 2)(2 x 1) 6 x 20mm AA (6 x 1) (Single 20mm and 40mm fit was variable)
AS Weapons 1 x Hedgehog 24-spigot mortar 4 x depth-charge throwers and 2 x depth-charge rails
A more full and lengthy explanation of the ships history is available here.