List of monitors of the Royal Navy

Template:Short description Template:Use dmy dates Template:Use British English Template:Sidebar This is a list of monitors of the Royal Navy of the United Kingdom.

Key

Main guns	The number and type of the main battery guns
Displacement	Ship displacement at standard combat load
Propulsion	Number of shafts, type of propulsion system
Laid down	The date the keel began to be assembled
Commissioned	The date the ship was commissioned
Fate	The fate of the ship

Humber-class

HMS Humber

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The Humber-class monitors were three river monitors under construction for the Brazilian Navy in Britain in 1913, all three were taken over by the Royal Navy shortly before the outbreak of the First World War and were commissioned as small monitors, seeing extensive service during the war.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Acquired	Fate
Template:HMS (ex-Javary)	2 × Template:Convert	Template:Convert	2 × shafts triple expansion engines 2 × boilers	24 Aug 1912	8 Aug 1914	Sold to F. Rijsdijk 17 Sep 1920 for use as a crane lighter
Template:HMS (ex-Madeira)	2 × Template:Convert	Template:Convert	2 × shafts triple expansion engines 2 × boilers	24 Aug 1912	3 Aug 1914	Sold for scrap 1921
Template:HMS (ex-Solimoes)	2 × Template:Convert	Template:Convert	2 × shafts triple expansion engines 2 × boilers	24 Aug 1912	8 Aug 1914	Sold for scrap 9 May 1921

Abercrombie-class

HMS Havelock

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The Abercrombie-class monitors came about when Bethlehem Steel in the United States, the contracted supplier of the main armament for the Greek battleship Template:Ship being built in Germany, instead offered to sell the four 14"/45 caliber gun twin gun turrets to the Royal Navy on 3 November 1914, the ships were laid down and launched within six months, seeing service throughout the war.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Commissioned	Fate
Template:HMS	2 × Template:Convert	Template:Convert	2 × vertical triple expansion reciprocating engines 2 × boilers	12 Dec 1914	1 May 1915	Sold for scrap 25 Jun 1927
Template:HMS	2 × Template:Convert	Template:Convert	2 × vertical triple expansion reciprocating engines 2 × boilers	12 Dec 1914	May 1915	Sold for scrap 25 Jun 1921
Template:HMS	2 × Template:Convert	Template:Convert	2 × vertical triple expansion reciprocating engines 2 × boilers	1 Dec 1914	May 1915	Sunk 20 Jan 1918
Template:HMS	2 × Template:Convert	Template:Convert	2 × vertical triple expansion reciprocating engines 2 × boilers	17 Dec 1914	21 May 1915	Sold for scrap Sep 1936

Lord Clive-class

HMS Earl of Peterborough

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The Lord Clive-class monitors, sometimes referred to as the General Wolfe-class, were built to meet the need for more shore bombardment ships, using twin Template:Convert gun turrets taken from decommissioned Majestic-class pre-dreadnought battleships. Three of the ships, HMS General Wolfe, Lord Clive and Prince Eugene, were converted to take the BL 18 inch Mk I naval gun that had originally been allocated to Template:HMS.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Acquired	Fate
Template:HMS	2 × Template:Convert later also 1 × Template:Convert	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	9 January 1915	10 July 1915	Sold for scrap 10 October 1927
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	9 January 1915	26 August 1915	Sold for scrap 1921
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	16 January 1915	23 September 1915	Sold for scrap 1921
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	16 January 1915	30 September 1915	Sold for scrap 1921
Template:HMS	2 × Template:Convert conversion to 1 × Template:Convert incomplete at armistice	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	1 February 1915	September 1915	Sold for scrap 1921
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	12 January 1915	May 1915	Sold for scrap 1923
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	13 January 1915	May 1915	Sold for scrap 1921
Template:HMS	2 × Template:Convert later also 1 × Template:Convert	Template:Convert	2 × shafts reciprocating steam engines 2 × boilers	January 1915	27 October 1915	Sold for scrap 1923

Marshal Ney-class

HMS Marshal Ney

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The Marshal Ney-class monitors were built to use the two modern 15-inch turrets made available by the redesign of Template:HMS and Template:HMS as battlecruisers.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Commissioned	Fate
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts Diesel engines		August 1918	Sold for scrap 10 July 1946
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts Diesel engines		August 1915	Sold for scrap 1957

Gorgon-class

HMS Glatton

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The Gorgon-class monitors were originally built as coastal defence ships for the Royal Norwegian Navy, but requisitioned for British use.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Commissioned	Fate
Template:HMS (ex-Nidaros)	2 × Template:Convert	Template:Convert	2 × shafts Vertical triple-expansion steam engines 4 × boilers	11 June 1913	1 May 1918	Sold for scrap 26 August 1928
Template:HMS (ex-Bjørgvin)	2 × Template:Convert	Template:Convert	2 × shafts Vertical triple-expansion steam engines 4 × boilers	26 May 1913	31 August 1918	Wrecked by explosion 16 September 1918, 79 killed

M15-class

HMS M15

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The M15-class monitors were fourteen ships ordered in March 1915, as part of the War Emergency Programme of ship construction, mounting 9.2 inch Mk VI gun turrets removed from the Template:Sclass and the Mk X turrets held in stock for the Template:Sclass and Template:Sclasss.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Commissioned	Fate
Template:HMS	1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	June 1915	Sunk by Template:SMU on 11 November 1917, 26 killed.
Template:HMS	1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	June 1915	Sold 29 January 1920
Template:HMS	1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	June 1915	Sold 12 May 1920
Template:HMS	1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	July 1915	Sold 29 January 1920
Template:HMS	1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	June 1915	Sold 12 May 1920
Template:HMS	1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	July 1915	Sold 29 January 1920
Template:HMS	1 × Template:Convert later 1 × Template:Convert	Template:Convert	2 × shafts Triple Expansion steam engines	1 March 1915	July 1915	Sunk 20 October 1918 off Dover
Template:HMS (later HMS Medea)	1 × Template:Convert	Template:Convert	2 × shafts Triple Expansion steam engines	1 March 1915	August 1915	Converted to a minelayer in 1920, renamed HMS Medea 1925, became a training ship 1937, sold 1938, wrecked 2 January 1939
Template:HMS (later RNVR Claverhouse)	1 × Template:Convert later 1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	July 1915	Became a Royal Naval Volunteer Reserve drillship, and was renamed Claverhouse in 1922, sold 1959
Template:HMS	1 × Template:Convert later 1 × Template:Convert	Template:Convert	4 × shafts Campbell 4-cylinder paraffin engines	1 March 1915	August 1915	Sold 29 January 1920 for conversion to a mercantile oil tanker, and renamed Satoe
Template:HMS	1 × Template:Convert later 1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	September 1915	Scuttled in the Dvina River 16 September 1919
Template:HMS	1 × Template:Convert later 1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	October 1915	Sold 29 January 1920
Template:HMS	1 × Template:Convert later 1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	November 1915	Scuttled in the Dvina River 16 September 1919
Template:HMS	1 × Template:Convert later 1 × Template:Convert	Template:Convert	4 × shafts 4-cylinder semi-diesel engines	1 March 1915	August 1915	Sunk during the Battle of Imbros on 20 January 1918, 11 killed

M29-class

HMS M30

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The M29-class monitors were five ships ordered in March 1915, as part of the War Emergency Programme of ship construction.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Commissioned	Fate
Template:HMS (later HMS Medusa, HMS Talbot & HMS Medway II)	2 × Template:Convert	Template:Convert	4 × shafts Triple expansion engines. Oil fuel 45 tons boilers	1 March 1915	June 1915	Converted to minelayer and renames HMS Medusa in 1925, converted to a repair ship and became the depot ship and renames HMS Talbot in 1941, again renamed HMS Medway II in 1944, sold in December 1946 for breaking
Template:HMS	2 × Template:Convert	Template:Convert	4 × shafts Triple expansion engines. Oil fuel 45 tons boilers	1 March 1915	July 1915	Sunk by shore batteries at the Gulf of Smyrna 14 May 1916
Template:HMS (later HMS Melpomene, then HMS Menelaus)	2 × Template:Convert	Template:Convert	4 × shafts Triple expansion engines. Oil fuel 45 tons boilers	1 March 1915	July 1915	Converted to minelayer in 1923, renamed HMS Melpomene in 1925, converted to a torpedo training vessel in 1939, renamed HMS Menelaus in 1941, in 1944, sold in 1948 for breaking
Template:HMS	2 × Template:Convert	Template:Convert	4 × shafts Triple expansion engines. Oil fuel 45 tons boilers	1 March 1915	June 1915	Sold in January 1920 for use as an oil tanker, and named Ampat
Template:HMS (later HMS Minerva and Hulk C23)	2 × Template:Convert	Template:Convert	4 × shafts Triple expansion engines. Oil fuel 45 tons boilers	1 March 1915	June 1915	Converted to mine-laying training ship and was renamed HMS Minerva in 1925, later became a fuelling hulk and boom defence workshop, renamed Hulk C23, currently museum ship at Portsmouth

Erebus-class

HMS Terror

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The Erebus-class monitors were two ships mounting a single twin BL 15 inch Mk I naval gun turret. They saw active service in World War I off the Belgian coast, were placed in reserve between the wars then served in World War II, with Terror being lost in 1941 and Erebus surviving to be scrapped in 1946.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Commissioned	Fate
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts 4 x oil-fired boilers	12 October 1915	2 September 1916	Scrapped July 1946
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts 4 x oil-fired boilers	26 October 1915	6 August 1916	Sunk 23 February 1941 off Derna, Libya

Roberts-class

HMS Abercrombie

{{#invoke:Labelled list hatnote|labelledList|Main article|Main articles|Main page|Main pages}} The Roberts-class monitors were two ships mounting a single twin BL 15 inch Mk I naval gun turret built during the Second World War, featuring shallow draught for operating inshore, broad beam to give stability and a high observation platform to observe fall of shot.

Ship	Main guns	Displacement	Propulsion	Service
				Laid down	Commissioned	Fate
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts 2 × Parsons steam turbines 2 × boilers	30 April 1940	27 October 1941	Sold for scrap June 1965
Template:HMS	2 × Template:Convert	Template:Convert	2 × shafts 2 × Parsons steam turbines 2 × boilers	26 April 1941	5 May 1943	Scrapped 24 December 1954

See also

• List of monitors of the United States Navy

References

• {{#invoke:template wrapper|{{#if:|list|wrap}}|_template=cite book

|_exclude=case, year, _debug
| last1 = Colledge
| first1 = J. J. 
| author-link1= J. J. Colledge
| last2 = Warlow
| first2 = Ben
| date = 2006
| orig-date = 1969
| title = Ships of the Royal Navy: The Complete Record of All Fighting Ships of the Royal Navy from the 15th Century to the Present
| edition = Rev.
| location = London
| publisher = Chatham Publishing
| isbn = 978-1-86176-281-8
| OCLC = 67375475

}}