View source for HMS H43

{{short description|Submarine of the Royal Navy}}
{{Use dmy dates|date=December 2016}}
{{Use British English|date=December 2016}}
{|{{Infobox ship begin}}
{{Infobox ship image
| Ship image               = HMS H43 Submarine.jpg
| Ship caption             =
}}
{{Infobox ship career
| Hide header              =
| Ship country             = United Kingdom
| Ship flag                = {{shipboxflag|United Kingdom|naval}}
| Ship name                = HMS ''H43''
| Ship owner               =
| Ship namesake            =
| Ship ordered             =
| Ship builder             = [[Armstrong Whitworth]], [[Newcastle Upon Tyne]]
| Ship yard number         =
| Ship laid down           = 4 October 1917
| Ship launched            = 3 February 1919
| Ship acquired            =
| Ship commissioned        = 25 November 1919
| Ship decommissioned      =
| Ship in service          =
| Ship out of service      =
| Ship struck              =
| Ship reinstated          =
| Ship fate                = Sold for scrapping, November 1944
}}
{{Infobox ship characteristics
| Hide header              =
| Header caption           =
| Ship class               = [[British H class submarine|H class]] [[submarine]]
| Ship displacement        =*{{convert|423|LT|t|0|abbr=on}} surfaced
*{{convert|510|LT|t|0|abbr=on}} submerged
| Ship length              = {{convert|171|ft|0|in|m|abbr=on}}
| Ship beam                = {{convert|15|ft|4|in|m|abbr=on}}
| Ship draught             =
| Ship propulsion          =*1 × {{convert|480|hp|0|abbr=on}} [[diesel engine]]
*2 × {{convert|620|hp|0|abbr=on}} [[electric motor]]s
| Ship speed               =*{{convert|11.5|kn|lk=in}} surfaced
*{{convert|9|kn}} submerged
| Ship range               =*{{convert|2985|nmi|km|abbr=on}} at {{convert|7.5|kn|abbr=on}} surfaced
*{{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                  =
| Ship armament            =
*4 × {{convert|21|in|mm|0|abbr=on}} bow [[torpedo tube]]s
*8 × [[British 21 inch torpedo|21 inch torpedo]]es
| Ship notes               =
}}
|}
'''HMS ''H43''''' was a [[British H class submarine]] built by [[Armstrong Whitworth]], [[Newcastle Upon Tyne]]. She was laid down on 4 October 1917 and was commissioned on 25 November 1919. It had a complement of twenty-two crew members.
HMS ''H43'' was one of the seven H class submarines to survive to the end of [[World War II]] . HMS ''H43'' was sold in November 1944 and was scrapped in [[Troon]] in 1945.
==Design==
Like all post-''H20'' [[British H-class submarine]]s, ''H43'' had a displacement of {{convert|423|LT|t}} at the surface and {{convert|510|LT|t}} while submerged.<ref name="batcru">{{cite book |last1=Gardiner |first1=Robert |last2=Gray |first2=Robert |title=Conway's All the World's Fighting Ships 1906-1921 |date=1985 |publisher=Conway Maritime Press |location=London |isbn=0-85177-245-5 |page=92}}</ref> It had a total length of {{convert|171|ft|m}},<ref name="Walters2004">{{cite book|author=Derek Walters|title=The History of the British 'U' Class Submarine|url=https://books.google.com/books?id=VyeJ9DOXcOAC&pg=PA2|year=2004|publisher=Casemate Publishers|isbn=978-1-84415-131-8|pages=2–}}</ref> a beam of {{convert|15|ft|4|in}}, and a draught of {{convert|12|m}}.<ref name="Colledge"/> It contained a diesel engines providing a total power of {{convert|480|hp}} and two electric motors each providing {{convert|320|hp}} power.<ref name="Colledge">{{Cite Colledge2006}} Retrieved from [http://www.naval-history.net/WW1NavyBritishShips-Dittmar3WarshipsA.htm#10 Naval-History] on 20 August 2015.</ref> The use of its electric motors made the submarine travel at {{convert|11|kn|km/h mph}}. It would normally carry {{convert|16.4|LT|t}} of fuel and had a maximum capacity of {{convert|18|LT|t}}.<ref>{{cite web|url=http://www.gwpda.org/naval/hpatsubs.htm|title=Building History and Technical Details for Canadian CC-Boats and the Original H-CLASS|publisher=Electric Boat Company Holland Patent Submarines|author=J. D. Perkins|year=1999|access-date=20 August 2015}}</ref>
The submarine had a maximum surface speed of {{convert|13|kn|km/h mph}} and a submerged speed of {{convert|10.5|kn|km/h mph}}. Post-''H20'' British H-class submarines had ranges of {{convert|2985|nmi|km mi}} at speeds of {{convert|7.5|kn|km/h mph}} when surfaced.<ref name="batcru"/><ref name="Colledge"/> ''H43'' was fitted with an [[Anti-aircraft warfare|anti-aircraft gun]] and four {{convert|21|in}} [[torpedo tube]]s. Its torpedo tubes were fitted to the [[Bow (ship)|bows]] and the submarine was loaded with eight {{convert|21|in}} torpedoes.<ref name="batcru"/> It is a [[Holland 602 type submarine]] but was designed to meet Royal Navy specifications. Its [[Ship's company|complement]] was twenty-two crew members.<ref name="batcru"/>
==Operational use==
* July 1940 delivered Lt. Hubert Nicholle to [[German occupation of the Channel Islands|German occupied Guernsey]] to undertake a reconnaissance and successfully recovered him 3 days later. Commanded by Lt Colvin.<ref>{{cite book |first=Robert |last=Jackson |title=Churchill's Channel War 1939-45 |date=20 March 2013 |publisher=Osprey Publishing, 2013 |isbn=9781472801319}}</ref>
==See also==
* [[List of submarines of the Second World War]]
==References==
{{reflist}}
==Bibliography==
* {{cite book |last1=Hutchinson |first1=Robert |title=Jane's submarines : war beneath the waves from 1776 to the present day |date=2001 |publisher=HarperCollins |location=London |isbn=978-0007105588}}
{{Holland 602 type submarine}}
{{DEFAULTSORT:H43}}
[[Category:British H-class submarines]]
[[Category:Ships built on the River Tyne]]
[[Category:1919 ships]]
[[Category:World War II submarines of the United Kingdom]]
[[Category:Royal Navy ship names]]
[[Category:Ships built by Armstrong Whitworth]]