HMS Umpire

HMS Umpire (N82) was a Royal Navy U-class submarine built at Chatham Dockyard and sunk in an accident nine days after commissioning in July 1941 with the loss of 22 men. The submarine was sunk while en route from Chatham to join the 3rd Submarine Flotilla at Dunoon, under the command of Lieutenant Mervyn Wingfield. From Dunoon she was to carry out a single working-up patrol in the North Sea before heading to the Mediterranean. She stopped overnight at Sheerness and joined a convoy headed North. The submarine suffered engine failure with one of the two diesel engines and as a result fell behind the convoy; the propellers were driven purely by electric motors on the surface and when submerged with no mechanical linkage to the diesel engines. The convoy passed a Southbound convoy around midnight while about 12 nautical miles (22 km) off Blakeney, Norfolk, with the two convoys passing starboard to starboard; this was unusual since ships and convoys should pass port to port. No ships showed any lights because of the risk from German E-boats. However, an armed escort trawler, Peter Hendriks in the southbound convoy accidentally struck Umpire sinking her in 18 metres of water.

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Wikidata
N82
submarine, U-class submarine, Royal Navy, Chatham Dockyard, 

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Location: 53.15, 1.1, KML, Cluster Map, Maps,
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  HMS Umpire ⓘ
  1940 U-class submarine

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  SM UB-54 ⓘ
  

1939-09-01T00:00:00Z

1939-09-01T00:00:00Z

World War II Q362

1940-01-01T00:00:00Z

1940-01-01T00:00:00Z

keel laying

1940-12-30T00:00:00Z

1940-12-30T00:00:00Z

ship launching

1941-07-10T00:00:00Z

1941-07-10T00:00:00Z

ship commissioning

1915-01-19T00:00:00Z

1915-01-19T00:00:00Z

1915 Zeppelin air raid on Norfolk 19-20 January 1915

1938-11-02T00:00:00Z

1938-11-02T00:00:00Z

1938 Sinking of the SS Cantabria

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Frameless

Type	Subtype	Date	Description	Notes	Source
event	armed conflict	1915	Zeppelin air raid on Norfolk 19-20 January 1915	German Empire, Peter Strasser, Horst Julius Freiherr Treusch von Buttlar-Brandenfels, military operation, airstrike	Wikidata
event	armed conflict	1938	Sinking of the SS Cantabria	Francoist Spain, Second Spanish Republic, naval battle	Wikidata
link	page		uboat.net page@		Wikidata
object	watercraft		HMS Umpire	U-class submarine, submarine	Wikidata
object	watercraft		SM UB-54	Type UB III submarine, U-boat	Wikidata
site	castle	1470	Baconsthorpe Castle	fortified manor house, English Heritage, archaeological site	Wikidata
site	museum		Muckleburgh Collection	military museum	Wikidata
site	shipwreck		La Combattante	shipwreck, Hunt-class destroyer, destroyer	Wikidata
site	shipwreck	1918	HMS Vortigern	V and W-class destroyer, shipwreck, destroyer	Wikidata