Design and Description
The Nairanas were a class of three escort carriers built for the Royal Navy during the Second World War. Escort carriers were designed to protect convoys of merchant ships from U-boat and aircraft attack. Following the successful conversion and operation of Activity, the Admiralty decided to take over three more merchant ships while they were still under construction and convert them into escort carriers. The three ships chosen were being built at three different shipyards Harland and Wolff in Northern Ireland, Swan Hunter in England and John Brown & Company in Scotland. The prototype was built by John Brown who supplied the other two companies with copies of the plans. The three ships were supposed to be identical but in reality they were all slightly different.
HMS Nairana—built by John Brown was launched on 20 May 1943 and completed on 12 December 1943. She had a complement of 728 men and displaced 14,050 long tons (14,280 t). Her other dimensions were a length of 528 ft 6 in (161.09 m), a beam of 68 ft 6 in (20.88 m) and a draught of 21 ft (6.4 m). Her aircraft facilities included a 495 ft (151 m) flight deck, a hangar measuring 231 ft × 61 ft (70 m × 19 m), eight arrestor wires and an aircraft lift measuring 45 ft × 34 ft (14 m × 10 m).
She had a traditional rivetted hull, steel flight decks and a closed hangar. Propulsion was provided by diesel engines connected to two shafts giving 11,000 hp (8,200 kW), which could propel the ship at 17 kn (20 mph; 31 km/h). Her armaments concentrated on anti-aircraft (AA) defence and comprised two 4 in (100 mm) dual purpose guns on a twin mount, sixteen 20 mm (0.79 in) AA autocannons on eight twin mounts and sixteen 2-Pounder "Pom Pom" AA guns on four quadruple mounts. Aircraft assigned were either anti-submarine or fighter aircraft, which could be made up of a mixture of Hawker Sea Hurricanes, Grumman Wildcats or Fairey Swordfish.
Read more about this topic: HMS Nairana (D05)
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