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In July 1917, the 2nd Flotilla, including ''Alarm'', moved to [[Buncrana]] in the North of Ireland.<ref>{{cite magazine|title=Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: IV.—Miscellaneous Ships in Home Waters or on Detached Service |magazine=The Navy List |date=June 1917 |page=14 |url=https://digital.nls.uk/british-military-lists/archive/92148798 |via=National Library of Scotland|accessdate=9 July 2019}}</ref><ref>{{cite magazine|title=Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: VII.—Coast of Ireland Division: Northern Division (Headquarters Buncrana) |magazine=The Navy List |date=July 1917 |page=17 |url=https://digital.nls.uk/british-military-lists/archive/94242302 |via=National Library of Scotland|accessdate=9 July 2019}}</ref> By December 1917, ''Alarm'' had moved to the [[Mediterranean Fleet]], joining the [[5th Destroyer Flotilla]].<ref>{{cite magazine|title=Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: XI.—Mediterranean Fleet |magazine=The Navy List |date=December 1917 |page=21 |url=https://digital.nls.uk/british-military-lists/archive/92177590 |via=National Library of Scotland|accessdate=14 July 2019}}</ref>
In July 1917, the 2nd Flotilla, including ''Alarm'', moved to [[Buncrana]] in the North of Ireland.<ref>{{cite magazine|title=Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: IV.—Miscellaneous Ships in Home Waters or on Detached Service |magazine=The Navy List |date=June 1917 |page=14 |url=https://digital.nls.uk/british-military-lists/archive/92148798 |via=National Library of Scotland|accessdate=9 July 2019}}</ref><ref>{{cite magazine|title=Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: VII.—Coast of Ireland Division: Northern Division (Headquarters Buncrana) |magazine=The Navy List |date=July 1917 |page=17 |url=https://digital.nls.uk/british-military-lists/archive/94242302 |via=National Library of Scotland|accessdate=9 July 2019}}</ref> By December 1917, ''Alarm'' had moved to the [[Mediterranean Fleet]], joining the [[5th Destroyer Flotilla]].<ref>{{cite magazine|title=Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: XI.—Mediterranean Fleet |magazine=The Navy List |date=December 1917 |page=21 |url=https://digital.nls.uk/british-military-lists/archive/92177590 |via=National Library of Scotland|accessdate=14 July 2019}}</ref>


On the night of 22/23 April 1918, ''Alarm'' was one of six destroyers patrolling in the [[Otranto Straits]] to protect the [[Naval drifter|drifters]] of the [[Otranto Barrage]] from attack by Austro-Hungarian naval forces. ''Alarm'' and the French destroyer [[French destroyer Cimeterre|''Cimeterre'']] patrolled the Eastern side of the straits, with {{HMS|Comet|1910|2}} and the Australian destroyer {{HMAS|Torrens|D67|2}} on station at the centre of the straits and {{HMS|Jackal|1911|2}} and {{HMS|Hornet|1911|2}} at the Western side of the straits, with the three groups of destroyers separate by {{convert|10|mi|abbr=on}}.<ref name="navop5p287">{{Harvnb|Newbolt|1931|p=287}}</ref> At about 21:10hr, five unknown ships were spotted by ''Hornet'', which challenged them. In response, the unknown ships, which were actually the Austro-Hungarian destroyers {{SMS|Triglav|1917|2}}, {{SMS|Uzsok||2}}, {{SMS|Dukla||2}}, {{SMS|Lika|1917|2}} and {{SMS|Csepel||2}}, opened fire. Both ''Hornet'' and ''Jackal'' were damaged in the exchange of fire, but the Austro-Hungarian ships abandoned their raid as the alarm had been raised. ''Alarm'', ''Cimeterre'', ''Comet'' and ''Torrens'' responded to the gunfire, and joining up with ''Jackal'' chsed after the Austro-Hungarian ships, but broke off the pursuit as they approached the enemy coast, owing to the risk from [[Naval mine|mines]].<ref name="navop5p287-8">{{Harvnb|Newbolt|1931|pp=287–288}}</ref><ref>{{Harvnb|Halpern|2004|pp=137–140}}</ref>
On the night of 22/23 April 1918, ''Alarm'' was one of six destroyers patrolling in the [[Otranto Straits]] to protect the [[Naval drifter|drifters]] of the [[Otranto Barrage]] from attack by Austro-Hungarian naval forces. ''Alarm'' and the French destroyer [[French destroyer Cimeterre|''Cimeterre'']] patrolled the Eastern side of the straits, with {{HMS|Comet|1910|2}} and the Australian destroyer {{HMAS|Torrens|D67|2}} on station at the centre of the straits and {{HMS|Jackal|1911|2}} and {{HMS|Hornet|1911|2}} at the Western side of the straits, with the three groups of destroyers separate by {{convert|10|mi|abbr=on}}.<ref name="navop5p287">{{Harvnb|Newbolt|1931|p=287}}</ref> At about 21:10hr, five unknown ships were spotted by ''Hornet'', which challenged them. In response, the unknown ships, which were actually the Austro-Hungarian destroyers {{SMS|Triglav|1917|2}}, {{SMS|Uzsok||2}}, {{SMS|Dukla||2}}, {{SMS|Lika|1917|2}} and {{SMS|Csepel||2}}, opened fire. Both ''Hornet'' and ''Jackal'' were damaged in the exchange of fire, but the Austro-Hungarian ships abandoned their raid as the alarm had been raised. ''Alarm'', ''Cimeterre'', ''Comet'' and ''Torrens'' responded to the gunfire, and joining up with ''Jackal'' chased after the Austro-Hungarian ships, but broke off the pursuit as they approached the enemy coast, owing to the risk from [[Naval mine|mines]].<ref name="navop5p287-8">{{Harvnb|Newbolt|1931|pp=287–288}}</ref><ref>{{Harvnb|Halpern|2004|pp=137–140}}</ref>


==References==
==References==

Revision as of 21:48, 14 July 2019

For other ships with the same name, see HMS Alarm.

History
United Kingdom
NameHMS Alarm
BuilderJohn Brown and Company, Clydebank
Laid down7 February 1910
Launched28 August 1910
CompletedMarch 1911
FateSold for scrapping May 1921
General characteristics
Class and typeTemplate:Sclass-
Displacement760 long tons (770 t) normal
Length246 ft 0 in (74.98 m) oa
Beam25 ft 3 in (7.70 m)
Draught8 ft 10 in (2.69 m)
Propulsion4 Yarrow boilers, Parsons turbines, 13,500 shp (10,100 kW)
Speed27 kn (50 km/h; 31 mph)
Complement72
Armament

HMS Alarm was a Template:Sclass- of the British Royal Navy. She was built by John Brown and Company at their Clydebank shipyard, being built between 1910 and 1911, completing in March 1911. Alarm served through the First World War, both in the North Sea as part of the Grand Fleet and later in the Mediterranean Sea. She was sold for scrap in 1921.

Construction and design

The British Admiralty ordered 20 Template:Sclass- destroyers as part of the 1909–1910 shipbuilding programme for the Royal Navy.[1] Three of the class, Alarm, Acorn and Brisk, were to be built by the Clydebank shipbuilder John Brown and Company. Alarm was laid down on 7 February 1910 and launched on 28 August 1910.[2] Alarm reached a speed of 27.2 kn (31.3 mph; 50.4 km/h) during sea trials[3] and was completed in March 1911.[2]

Alarm was 240 ft 0 in (73.15 m) long between perpendiculars and 246 ft 0 in (74.98 m) overall, with a beam of 25 ft 3 in (7.70 m) and a draught of between 7 ft 4+1⁄2 in (2.248 m) and 8 ft 10 in (2.69 m) depending on load. Displacement was 760 long tons (770 t) normal and 855 long tons (869 t) full load.[4] The ship's machinery consisted of four Yarrow boilers feeding steam to Parsons steam turbines which drove three propeller shafts. The machinery was rated at 13,500 shaft horsepower (10,100 kW) giving a design speed of 27 knots (50 km/h; 31 mph).[1][5] The ship had a crew of 72 officers and enlisted.[5]

Gun armament consisted of two 4-inch (102 mm) BL Mk VIII guns,[a] one on the ship's forecastle and one aft, and two 12-pounder (76 mm) QF 12 cwt guns[b] carried in the waist position between the first two funnels. Torpedo armament consisted of two 21-inch (533 mm) torpedo tubes, with two reload torpedoes carried. The torpedo tubes were aft of the funnels, mounted singly with a searchlight position between them.[1][5]

Service

On commissioning, Alarm joined the 2nd Destroyer Flotilla of the Royal Navy's Home Fleet, and was joined by her sister ships as they commissioned.[5] She was one of seven destroyers that suffered problems when steaming at full speed off the coast of Ireland during the 1911 Naval Manoeuvres, with serious leaks of water through hull rivets into the ships' oil tanks, requiring that they put into Portland Harbour for repairs.[6] Alarm was still part of the 2nd Flotilla in August 1914, on the eve of the outbreak of the First World War.[7]

On the outbreak of the First World War, the 2nd Destroyer Flotilla, including Alarm joined the newly established Grand Fleet at Scapa Flow.[8][9] On 16 October 1914, four destroyers of the 2nd Flotilla, Lyra, Nymphe, Nemesis and Alarm were patrolling at the eastern end of the Pentland Firth between the Orkneys and mainland Scotland. At about 1:15 pm that day, Nymphe spotted a periscope. It was the German submarine U-9, which had sunk the British cruiser Hawke the previous day. U-9 launched a torpedo which narrowly missed both Nymphe and Hawke, and while Nymphe attempted to ram the submarine, U-9 escaped.[10]

The 2nd Flotilla remained at Scapa Flow until March 1916, but by April the flotilla, including Alarm, had moved to Devonport naval base in Plymouth.[11][12] On 13 November 1916, Alarm was ordered to rendezvous with the transport Idaho, bound for Portland from New York with a load of explosives, but fog delayed Alarm's departure from Devonport, so that Idaho was unescorted when the German submarine U-49 attacked. Idaho's crew abandoned ship, but the destroyer Tigress had heard Idaho's SOS radio signals, and arrived in time to drive off U-49 and save Idaho.[13] On 22 March 1917, Alarm and Tigress were employed in escorting the battleship Duncan.[14] On 24 March 1917, Alarm picked up 11 survivors from the merchant ship Achille Adam, sunk the previous day by the submarine UB-39 when bound for Newhaven from Saint-Valery-sur-Somme.[15]

In July 1917, the 2nd Flotilla, including Alarm, moved to Buncrana in the North of Ireland.[16][17] By December 1917, Alarm had moved to the Mediterranean Fleet, joining the 5th Destroyer Flotilla.[18]

On the night of 22/23 April 1918, Alarm was one of six destroyers patrolling in the Otranto Straits to protect the drifters of the Otranto Barrage from attack by Austro-Hungarian naval forces. Alarm and the French destroyer Cimeterre patrolled the Eastern side of the straits, with Comet and the Australian destroyer Torrens on station at the centre of the straits and Jackal and Hornet at the Western side of the straits, with the three groups of destroyers separate by 10 mi (16 km).[19] At about 21:10hr, five unknown ships were spotted by Hornet, which challenged them. In response, the unknown ships, which were actually the Austro-Hungarian destroyers Triglav, Uzsok, Dukla, Lika and Csepel, opened fire. Both Hornet and Jackal were damaged in the exchange of fire, but the Austro-Hungarian ships abandoned their raid as the alarm had been raised. Alarm, Cimeterre, Comet and Torrens responded to the gunfire, and joining up with Jackal chased after the Austro-Hungarian ships, but broke off the pursuit as they approached the enemy coast, owing to the risk from mines.[20][21]

References

  1. ^ The abbreviation BL stood for Breech Loading. In British use it also indicated that the gun used a bagged charge, with QF (Quick Firing) meaning that the gun used a charge enclosed in a metal cartridge case.
  2. ^ "Cwt" is the abbreviation for hundredweight, 12cwt referring to the weight of the gun.
  1. ^ a b c Friedman 2009, p. 122
  2. ^ a b Friedman 2009, p. 306
  3. ^ Moore 1990, p. 74
  4. ^ Friedman 2009, p. 295
  5. ^ a b c d Gardiner & Gray 1985, p. 74
  6. ^ "Stern Mimic Naval War: Seven Destroyers Crippled but Triumphant: Thrilling Sea Fight". Geelong Advertiser. Geelong, Australia. 9 August 1911. p. 3. Retrieved 8 July 2019.
  7. ^ "Fleets and Squadrons in Commission at Home and Abroad: Flotilla of the First Fleet". The Navy List. August 1914. p. 269a. Retrieved 8 July 2019 – via National Library of Scotland.
  8. ^ Jellicoe 1919, p. 9
  9. ^ Manning 1961, pp. 25–26
  10. ^ Naval Staff Monograph No. 24 1924, p. 107
  11. ^ "Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: I.—The Grand Fleet: Destroyer Flotillas of the Grand Fleet". The Navy List. March 1916. p. 12. Retrieved 8 July 2019 – via National Library of Scotland.
  12. ^ "Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: III.—Miscellaneous Ships in Home Waters or on Detached Service: 2nd Destroyer Flotilla (under orders of Commander-in-Chief, Devonport)". The Navy List. April 1916. p. 14. Retrieved 8 July 2019 – via National Library of Scotland.
  13. ^ Naval Staff Monograph No. 33 1927, pp. 202–203
  14. ^ Naval Staff Monograph No. 34 1933, p. 345
  15. ^ Naval Staff Monograph No. 34 1933, p. 321
  16. ^ "Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: IV.—Miscellaneous Ships in Home Waters or on Detached Service". The Navy List. June 1917. p. 14. Retrieved 9 July 2019 – via National Library of Scotland.
  17. ^ "Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: VII.—Coast of Ireland Division: Northern Division (Headquarters Buncrana)". The Navy List. July 1917. p. 17. Retrieved 9 July 2019 – via National Library of Scotland.
  18. ^ "Supplement to the Monthly Naval List Showing Organisation of the Fleet, Flag Officers' Commands, &c.: XI.—Mediterranean Fleet". The Navy List. December 1917. p. 21. Retrieved 14 July 2019 – via National Library of Scotland.
  19. ^ Newbolt 1931, p. 287
  20. ^ Newbolt 1931, pp. 287–288
  21. ^ Halpern 2004, pp. 137–140
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