In 1918, the ship participated in one of the final sorties of the war, although this did not lead to a confrontation with the German High Seas Fleet.
[4] Three funnels were fitted and 296 long tons (301 t) of oil carried, giving a design range of 2,530 nautical miles (4,690 km; 2,910 mi) at 15 knots (28 km/h; 17 mph).
[12] On 22 November, the flotilla took part in exercises north of the Shetland Islands under the dreadnought Iron Duke that also involved the majority of the First and Third Battle Squadrons.
Off the coast of Folkestone, the German U-boat UC-65, captained by Korvettenkapitän Otto Steinbrinck, sighted the vessels and launched two torpedoes.
[17] On 15 October, the flotilla formed part of a large-scale operation, involving 30 cruisers and 54 destroyers deployed in eight groups across the North Sea in an attempt to stop a suspected sortie by German naval forces.
[18] Despite these measures, the German light cruisers Bremse and Brummer managed to attack the regular convoy between Norway and Britain two days later, sinking two destroyers, Mary Rose and Strongbow, and nine merchant ships before returning safely to Germany.
[20] After the armistice, the Royal Navy returned to a peacetime level of mobilisation and Peregrine was declared superfluous to operational requirements.