HMS H44 was an H-class submarine of the Royal Navy. She was built by Armstrong Whitworth and launched on 17 February 1919. She served in the Second World War. She had a complement of twenty-two crew members. She was sold in 1944 and was broken up at Troon in February 1945.
The Chilean submarine Guacolda was an H-class submarine of the Chilean Navy. The vessel was originally ordered by the United Kingdom's Royal Navy as HMS H13, but was handed over to Chile in 1917 as H1.
The Chilean submarine Tegualda was an H-class submarine of the Chilean Navy. The vessel was originally ordered by the United Kingdom's Royal Navy as HMS H16, but was handed over to Chile in 1917 as H2.
HMS H52 was a British H class submarine built by HM Dockyard, Pembroke Dock. She was laid down on an unknown date, launched on 31 March 1919 and commissioned on 16 December 1919, the last Welsh-built fighting ship to enter the British Royal Navy.
HMS H50 was a British H class submarine built by William Beardmore and Company, Dalmuir. She was laid down on 23 January 1918 and was commissioned on 3 February 1920. She had a complement of 22 crew members. HMS H50 was one of seven ships to survive to the end of World War II. She was sold for scrapping in July 1945 in Troon.
HMS H48 was a British H class submarine built by William Beardmore and Company, Dalmuir. She was laid down on 30 November 1917 and was commissioned on 23 June 1919. It had a complement of twenty-two crew members. HMS H48 was sold on 30 August 1935 in Llanelly.
HMS H47 was a British H class submarine built by William Beardmore and Company, Dalmuir. She was laid down on 20 November 1917 and was commissioned on 25 February 1919. It had a complement of twenty-two crew members. HMS H47 was sunk in a collision with British L class submarine L12 off Milford Haven, Wales on 9 July 1929. Twenty one of the crew were lost with only three survivors.
HMS H34 was a British H class submarine built by Cammell Laird, Birkenhead. The vessel was laid down on 20 November 1917 and was commissioned on 10 September 1919. She had a complement of twenty-two crew members.
HMS H31 was a British H class submarine built by Vickers Limited, Barrow-in-Furness. She was laid down on 19 April 1917 and was commissioned on 21 February 1919.
HMS H30 was a British H class submarine built by Vickers Limited, Barrow-in-Furness. She was laid down on 18 March 1917 and was commissioned on 19 October 1918. It had a complement of twenty-two crew members.
HMS H29 was a British H class submarine built by Vickers Limited, Barrow-in-Furness. She was laid down on 19 March 1917 and was commissioned on 14 September 1918.
Rucumilla was an H-class submarine of the Chilean Navy. The vessel was originally ordered by the United Kingdom's Royal Navy as HMS H17, but was handed over to Chile in 1917 as H3.
The Chilean submarine Quidora was an H-class submarine of the Chilean Navy. The vessel was originally ordered by the United Kingdom's Royal Navy as HMS H19, but was handed over to Chile in 1917 as H5.
The Chilean submarine Fresia was an H-class submarine of the Chilean Navy. The vessel was originally ordered by the United Kingdom's Royal Navy as HMS H20, but was handed over to Chile in 1917 as H6.
HMS H21 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as the first of the Batch 3 H class submarines. She was launched on 20 October 1917 and was commissioned on 28 January 1918. H21 was an improved design of the H class which produced a larger displacement and the latest 21 inch torpedo tubes replacing the old 18 inch torpedo tubes. This would be incorporated into all batch 3 H class submarines. HMS H21 was sold to John Cashmore Ltd on 13 July 1926 for scrapping at Newport.
HMS H22 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as part of the Batch 3 H class submarines. She was launched on 14 November 1917 and was commissioned on 6 November 1918.
HMS H23 was a British H class submarine built by Vickers Limited, Barrow-in-Furness as part of the Batch-3 H class submarine. She was launched on 29 January 1918 and was commissioned on 25 May 1918. She had a complement of 22 crew members.
HMS H24 was a British H-class submarine built by Vickers Limited, Barrow-in-Furness, as part of the Batch 3 H-class submarines. She was launched on 14 November 1917 and was commissioned on 30 April 1918.
HMS H25 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as part of the Batch 3 H class submarines. She was launched on 27 April 1918 and was commissioned on 16 July 1918. It had a complement of twenty-two crew members.
HMS H26 was a British H class submarine built by Vickers Limited, Barrow-in-Furness, as part of the Batch 3 H class submarines. She was launched on 15 November 1917 and was commissioned on 29 December 1918. It had a complement of twenty-two crew members.
Chile
