The Admiralty M class were improved and faster versions of the preceding .[1] They displaced 9720NaN0 at normal load. The ships had an overall length of 273feet, a beam of 26feet and a deep draught of 9feet. Phoebe was powered by a single Parsons direct-drive steam turbine that drove three propeller shafts using steam provided by three Yarrow boilers. The turbines developed a total of 25000shp and gave a maximum speed of 34kn. The ships carried a maximum of 228LT of fuel oil that gave them a range of 2100nmi at . The ships' complement was 76 officers and ratings.[2]
The Admiralty Ms were armed with three single QF 4adj=onNaNadj=on Mark IV guns. One gun was positioned on the forecastle, the second was between the centre and aft funnels and the third at the stern. They were equipped with a pair of QF 2-pounder "pom-pom" anti-aircraft guns, one on each broadside abreast the bridge. They were also fitted with two rotating twin mounts for 21inches torpedoes amidships.[3]
Phoebe was ordered under the Fifth War Programme in February 1915 and built by Fairfield Shipbuilding & Engineering Company at Govan. The ship was launched on 20 November 1916 and completed in December 1916.[4] She escorted H.M.S Vindictive at the Zeebrugge Raid on 23 April 1918.[5] Post-war, the ship was sold for breaking up in November 1921.[4]