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HMS Grampus (N56)
History
United Kingdom
Name	HMS Grampus
Builder	Chatham Dockyard
Laid down	20 August 1934
Launched	25 February 1936
Commissioned	10 March 1937
Fate	Sunk, 16 June 1940
Badge
General characteristics
Class and type	Grampus-class submarine
Displacement	1,810 long tons (1,840 t) (surfaced) 2,157 long tons (2,192 t) (submerged)
Length	293 ft (89 m)
Beam	25 ft 6 in (7.77 m)
Draught	16 ft 10 in (5.13 m)
Installed power	3,300 hp (2,500 kW) (diesel engines) 1,630 hp (1,220 kW) (electric motors)
Propulsion	2 × diesel engines 2 × electric motors 2 × shafts
Speed	15.5 kn (17.8 mph; 28.7 km/h) (surfaced) 8.75 kn (10.07 mph; 16.21 km/h) (submerged)
Complement	59
Armament	6 × 21 inch (533 mm) torpedo tubes (bow) (12 torpedoes), 1 × 4 in (100 mm) deck gun, 50 × mines

HMS Grampus (N56) was the lead ship of her class of mine-laying submarine of the Royal Navy. She was built at Chatham Dockyard and launched on 25 February 1936. She served in World War II off China before moving to the Mediterranean Sea. She was sunk with all hands by the Regia Marina on 16 June 1940.

On 16 June 1940, under the command of Lieutenant Commander C. A. Rowe, Grampus laid mines in the Syracuse and Augusta, Sicily area. She was seen by the Italian torpedo boat Circe, which was on anti-submarine patrol with Clio, Calliope, and Polluce. Within a very short time, Grampus was destroyed. Wreckage came to the surface along with air bubbles and oil. Polluce was credited with the kill. There were no survivors. Some sources give the date of this action as 24 June 1940.

References

• Akermann, Paul (2002). Encyclopaedia of British Submarines 1901–1955 (reprint of the 1989 ed.). Penzance, Cornwall: Periscope Publishing. ISBN 1-904381-05-7.
• Bagnasco, Erminio (1977). Submarines of World War Two. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-962-6.
• Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7.
• Colledge, J. J.; Warlow, Ben (2006) . Ships of the Royal Navy: The Complete Record of all Fighting Ships of the Royal Navy (Rev. ed.). London: Chatham Publishing. ISBN 978-1-86176-281-8.
• McCartney, Innes (2006). British Submarines 1939–1945. New Vanguard. Vol. 129. Oxford, UK: Osprey. ISBN 1-84603-007-2.

External links

• HMS Grampus from uboat.net

37°5′N 17°30′E / 37.083°N 17.500°E / 37.083; 17.500

v t e Shipwrecks and maritime incidents in June 1940
Shipwrecks	1 Jun: HMS Basilisk, Foudroyant, HMS Havant, Ioanna, HMS Keith, Scotia 7 Jun: HMS Carinthia 8 Jun: HMS Acasta, HMS Ardent, HMS Glorious, HMT Juniper 9 Jun: Max Wolf, Prins Olav 10 Jun: Olterra 11 Jun: Bruges 12 Jun: HMS Calypso, C 60 13 Jun: HNLMS O 13, HMS Odin, Train Ferry No. 2 15 Jun: HMS Andania 16 Jun: HMS Grampus, Rastrello 17 Jun: Champlain, HMS Lancastria, Ingénieur Riebell 18 Jun: Achille, Agosta, Clemenceau, Cyclone, Dordogne, Kergroise, Ouessant, Pasteur 19 Jun: Mexique, Niagara, HMS Orpheus 20 Jun: Empire Conveyor 21 Jun: Vliereede 23 Jun: HMS Khartoum 25 Jun: HMCS Fraser 27 Jun: Console Generale Liuzzi 29 Jun: Uebi Scebeli Unknown date: U-122
Other incidents	9 Jun: Empire Commerce 10 Jun: Barbana G, Monte Piana 25 Jun: HMS Calcutta Unknown date: Mari Chandris
1939 1940 1941 May 1940 July 1940

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• Grampus-class submarines
• Ships built in Chatham
• 1936 ships
• World War II submarines of the United Kingdom
• Lost submarines of the United Kingdom
• World War II shipwrecks in the Mediterranean Sea
• Maritime incidents in June 1940
• Submarines lost with all hands
• Submarines sunk by Italian warships
• Warships lost with all hands
• United Kingdom military submarine stubs