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{{Short description|Class of submarines operated by the Royal Navy}}{{redirect|HMS H35|the destroyer|HMS Hunter (H35)}}{{More citations needed|date=April 2008}}{{Use dmy dates|date=March 2017}}{{Use British English|date=March 2017}}{|

factoids

factoids

at Brindisi, August 1916}}

factoids

• {{navy|Chile}}
• {{navy|Canada|1911}}

British E-class submarine(UK)>{{sclass2submarine|4}} (Canada)}}British J-class submarine (UK)>{{sclasssubmarine{{sclasssubmarine|4}} (Canada and Chile)}}|Subclasses=|Cost=|Built range=|In service range=|In commission range=1915–1945|Total ships building=|Total ships planned=|Total ships completed=42|Total ships cancelled=|Total ships active=|Total ships laid up=|Total ships lost=9|Total ships retired=33|Total ships preserved=}}

factoids
Hide header	|Header caption=|Ship class=|Ship type=Submarine|Ship displacement=*Group 1+2 :

surfaced

{{convert|434|LT|t|0|abbr=on}} submerged

Group 3 :

{{convert|423|LT|t|0|abbr=on}} surfaced

{{convert|510|LT|t|0|abbr=on}} submerged|Ship length =Group 1+2 :

{{convert|150|ft|3|in|m|abbr=on}}

Group 3 :

{{convert|171|ft|0|in|m|abbr=on}}

154m|abbr=on}} |Ship height=|Ship draught=|Ship depth=|Ship hold depth=|Ship decks=|Ship deck clearance=2400|abbr=on}} diesel engines

• 2 × {{convert|310|hp|0|abbr=on}} electric motors|Ship propulsion=2 × propeller shafts|Ship speed =Group 1+2 :
• {{convert|13|kn|lk=in}} surfaced
• {{convert|10|kn}} submerged
• Group 3 :
• {{convert|11.5|kn|lk=in}} surfaced
• {{convert|9|kn}} submerged|Ship range =Group 1+2 :
• {{convert|1600|nmi|km|abbr=on}} at {{convert|10|kn|abbr=on}} surfaced
• Group 3 :
• {{convert|2985|nmi|km|abbr=on}} at {{convert|7.5|kn|abbr=on}} surfaced
• Group 1+2+3 :
• {{convert|130|nmi|km|abbr=on}} at {{convert|2|kn|abbr=on}} submerged|Ship endurance=|Ship test depth=|Ship complement=22|Ship sensors=|Ship EW=

18mmabbr=on}} bow torpedo tubes

• 8 × 18-inch torpedoes
• 1 × QF 6-pounder gun (H1–H4 only)Britain 6pdr / 8cwt [2.244"/40 (57 mm)&93; QF Marks I and II|Ship notes=

}}(File:British H class submarine under construction.gif|thumb|An H-class submarine under construction)(File:Three H class submarines.gif|thumb|right|Three H-class submarines (lower left))File:HMS H5 through H10 with HMS Carnarvon.gif|thumb|right|{{HMS|H5||2}}, {{HMS|H6||2}}, {{HMS|H7||2}}, {{HMS|H8||2}}, {{HMS|H9||2}}, and {{HMS|H10||2}} with the drydocked British armoured cruiser {{HMS|Carnarvon|1903|2}} (at upper left) during World War I, sometime between the 1915 commissioning of the submarines and the 4 May 1917 sale of H6 to the NetherlandsNetherlandsThe British H-class submarines were Holland 602 type submarines used by the Royal Navy. The submarines constructed for the British Royal Navy between 1915 and 1919 were designed and built in response to German boats which mined British waters and sank coastal shipping with ease owing to their small size. The H class was created to perform similar operations in German waters, and to attack German submarines operating in British waters.Despite their cramped size and lack of a deck gun on some submarines, the class was popular amongst submariners, and saw action all around the British Isles, some being transferred as far as the Adriatic. Owing to the late arrival of most of the class, they were unable to have much impact in service, only destroying two German submarines {{SMU|U-51||2}} and {{SMU|UB-52||2}} for the loss of four of their own number.Post-war, many were retained in the Royal Navy for training purposes, while four more were lost in accidents during the 1920s. At the outbreak of the Second World War, the class was obsolete, but retained in training and coastal warfare roles to help the Royal Navy cope with heavy losses to the submarine fleet during the early stages of the war. Two were sunk in this role by German countermeasures. The Canada-built boats were equipped with Fessenden transducers, which were missing from the US-built boats.

Boats

Group 1

Group 1 was built in Canada at the Canadian Vickers Yards in Montreal before being transported across the Atlantic and deployed from Britain as British shipyards were too busy to construct submarines at this time:

• {{HMS|H1||2}} – Launched 1 April 1915
• {{HMS|H2||2}} – Launched 1 April 1915
• {{HMS|H3||2}} – Launched 1 April 1915. Mined and sunk July 1916
• {{HMS|H4||2}} – Launched 1 April 1915
• {{HMS|H5||2}} – Launched 1 April 1915. Rammed and sunk March 1918
• {{HMS|H6||2}} – Launched June 1915. Interned and purchased by the Dutch January 1916
• {{HMS|H7||2}} – Launched June 1915
• {{HMS|H8||2}} – Launched June 1915
• {{HMS|H9||2}} – Launched June 1915
• {{HMS|H10||2}} – Launched June 1915. Disappeared 1918

Group 2

The second group was constructed simultaneously with the first group, but at Fore River Yard at Quincy, Massachusetts in the then-neutral United States. When the U.S. government discovered the construction, they impounded all the completed units, releasing them only following their own declaration of war two years later. To escape this difficulty, the British government gave six units to the Chilean Navy as partial payment for the appropriation of six Chilean ships for British service in 1914:

• {{HMS|H11||2}} – Launched 1915.
• {{HMS|H12||2}} – Launched 1915.
• {{HMS|H13||2}} – Launched 1918, transferred to Chile
• {{HMCS|CH-14||2}} – Launched 1919, transferred to Canada
• {{HMCS|CH-15||2}} – Launched 1918, transferred to Canada
• {{HMS|H16||2}} – Launched 1918, transferred to Chile
• {{HMS|H17||2}} – Launched 1918, transferred to Chile
• {{HMS|H18||2}} – Launched 1918, transferred to Chile
• {{HMS|H19||2}} – Launched 1918, transferred to Chile
• {{HMS|H20||2}} – Launched 1918, transferred to Chile

Group 3

Group 3 was the largest group, and was constructed in 1917–1919 in Britain, shipyard space having been granted to the project and more boats needed following the seizure of those building in the United States. They were built by Vickers, Cammell Laird, Armstrong Whitworth and William Beardmore at several locations, and most of the boats enjoyed long careers in the Royal Navy:

• {{HMS|H21||2}} – Launched 1918
• {{HMS|H22||2}} – Launched 1918
• {{HMS|H23||2}} – Launched 1918
• {{HMS|H24||2}} – Launched 1918
• {{HMS|H25||2}} – Launched 1918
• {{HMS|H26||2}} – Launched 1918
• {{HMS|H28||2}} – Launched 1918
• {{HMS|H29||2}} – Launched 1918. Sank in dockyard accident 1926
• {{HMS|H30||2}} – Launched 1918
• {{HMS|H31||2}} – Launched 1919. Mined and sunk 1941
• {{HMS|H32||2}} – Launched 1919
• {{HMS|H33||2}} – Launched 1919
• {{HMS|H34||2}} – Launched 1919
  • Numbers H35-H40 were ordered from Cammell Laird but cancelled in 1919
• {{HMS|H41||2}} – Launched 1918. Wrecked in collision 1920
• {{HMS|H42||2}} – Launched 1919. Wrecked in collision 1922
• {{HMS|H43||2}} – Launched 1919
• {{HMS|H44||2}} – Launched 1920
  • Numbers H45 and H46 cancelled.
• {{HMS|H47||2}} – Launched 1919. Wrecked in collision 1929
• {{HMS|H48||2}} – Launched 1919
• {{HMS|H49||2}} – Launched 1919. Sunk by German surface units 1940
• {{HMS|H50||2}} – Launched 1920
• {{HMS|H51||2}} – Launched 1919
• {{HMS|H52||2}} – Launched 1919
• H53 and H54 cancelled.

See also

• List of submarines of the Second World War
• List of submarine classes of the Royal Navy

Notes

{{reflist}}

Bibliography

• JOURNAL, Fisher, E. C. Jr., Drashpil, Boris V., Erickson, Rolf, The Subterfuge Submarines, Warship International, 1977, XIV, 3, 200–226, 0043-0374, amp,

External links

{{Commons category|British H class submarines}}

• The Canadian built British H boats
• U-boat.net information page on surviving World War Two boats

{{Holland 602 type submarine}}{{WWI British ships}}{{WWII British ships}}{{Chilean submarines}}