German submarine ''U-1107'' was a

Type VIIC/41 Type VII U-boats were the most common type of German World War II U-boat. 703 boats were built by the end of the war. The lone surviving example, , is on display at the Laboe Naval Memorial located in Laboe, Schleswig-Holstein, Germany. Conc ...

U-boat U-boats were naval submarines operated by Germany, particularly in the First and Second World Wars. Although at times they were efficient fleet weapons against enemy naval warships, they were most effectively used in an economic warfare role ...

built for

Nazi Germany Nazi Germany (lit. "National Socialist State"), ' (lit. "Nazi State") for short; also ' (lit. "National Socialist Germany") (officially known as the German Reich from 1933 until 1943, and the Greater German Reich from 1943 to 1945) was ...

's ''

Kriegsmarine The (, ) was the navy of Germany from 1935 to 1945. It superseded the Imperial German Navy of the German Empire (1871–1918) and the inter-war (1919–1935) of the Weimar Republic. The was one of three official branches, along with the a ...

'' for service during

World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...

. She was

laid down Laying the keel or laying down is the formal recognition of the start of a ship's construction. It is often marked with a ceremony attended by dignitaries from the shipbuilding company and the ultimate owners of the ship. Keel laying is one o ...

on 20 August 1943 by Nordseewerke,

Emden Emden () is an independent city and seaport in Lower Saxony in the northwest of Germany, on the river Ems. It is the main city of the region of East Frisia and, in 2011, had a total population of 51,528. History The exact founding date of E ...

as yard number 229, launched on 30 June 1944 and commissioned on 8 August 1944 under ''

Oberleutnant zur See ''Oberleutnant zur See'' (''OLt zS'' or ''OLZS'' in the German Navy, ''Oblt.z.S.'' in the ''Kriegsmarine'') is traditionally the highest rank of Lieutenant in the German Navy. It is grouped as OF-1 in NATO. The rank was introduced in the Imper ...

'' Fritz Parduhn.

Design

Like all

s, ''U-1107'' had a displacement of when at the surface and while submerged. She had a total length of , a

pressure hull A submarine hull has two major components, the ''light hull'' and the ''pressure hull''. The light hull (''casing'' in British usage) of a submarine is the outer non-watertight hull which provides a hydrodynamically efficient shape. The pressure ...

length of , a beam of , and a draught of . The submarine was powered by two Germaniawerft F46

supercharged In an internal combustion engine, a supercharger compresses the intake gas, forcing more air into the engine in order to produce more power for a given displacement. The current categorisation is that a supercharger is a form of forced induct ...

six-cylinder four-stroke

diesel engine The diesel engine, named after Rudolf Diesel, is an internal combustion engine in which ignition of the fuel is caused by the elevated temperature of the air in the cylinder due to mechanical compression; thus, the diesel engine is a so-call ...

s producing a total of and two SSW GU 343/38-8 double-acting electric motors producing a total of for use while submerged. The boat was capable of operating at a depth of . The submarine had a maximum surface speed of and a submerged speed of . When submerged, the boat could operate for at ; when surfaced, she could travel at . ''U-1107'' was fitted with five

torpedo tube A torpedo tube is a cylindrical device for launching torpedoes. There are two main types of torpedo tube: underwater tubes fitted to submarines and some surface ships, and deck-mounted units (also referred to as torpedo launchers) installed aboa ...

s (four fitted at the bow and one at the stern), fourteen

torpedo A modern torpedo is an underwater ranged weapon launched above or below the water surface, self-propelled towards a target, and with an explosive warhead designed to detonate either on contact with or in proximity to the target. Historically, su ...

es or 26 TMA or TMB

Naval mine A naval mine is a self-contained explosive device placed in water to damage or destroy surface ships or submarines. Unlike depth charges, mines are deposited and left to wait until they are triggered by the approach of, or contact with, any ...

s, one SK C/35 naval gun, (220 rounds), one Flak M42 and two C/30 anti-aircraft guns. Its complement was between forty-four and sixty.

Service history

The boat's career began with training at

8th U-boat Flotilla The 8th U-boat Flotilla (German ''8. Unterseebootsflottille'') was formed in June 1941 in Königsberg under the command of ''Kapitänleutnant'' Georg-Wilhelm Schulz, who also at this time commanded the 6th U-boat Flotilla in Danzig. It was prim ...

on 8 August 1944, followed by active service on 16 February 1945 as part of the 11th Flotilla for the remainder of her service. In one patrol she sank two merchant ships, for a total of .

Fate

''U-1107'' was sunk on 30 April 1945 in the

Bay of Biscay The Bay of Biscay (), known in Spain as the Gulf of Biscay ( es, Golfo de Vizcaya, eu, Bizkaiko Golkoa), and in France and some border regions as the Gulf of Gascony (french: Golfe de Gascogne, oc, Golf de Gasconha, br, Pleg-mor Gwaskogn), ...

west of

Brest Brest may refer to: Places *Brest, Belarus **Brest Region **Brest Airport **Brest Fortress *Brest, Kyustendil Province, Bulgaria *Břest, Czech Republic *Brest, France **Arrondissement of Brest **Brest Bretagne Airport ** Château de Brest *Brest, ...

, in position by a homing torpedo from a US Navy Liberator of VP-103. All hands lost

Previously recorded fate

''U-1107'' was sunk on 30 April 1945 in the

in position , by bombs from US Navy

Catalina Catalina may refer to: Arts and media * ''The Catalina'', a 2012 American reality television show * ''Catalina'' (novel), a 1948 novel by W. Somerset Maugham * Catalina (''My Name Is Earl''), character from the NBC sitcom ''My Name Is Earl'' ...

'R' of VPB-63, flown by Lt F.G. Lake. The aircraft was flying a MAD Rover patrol, and dropped 24 bombs when the craft was detected. 37 crew were killed with an unknown number of survivors.

Summary of raiding history

References

Bibliography

* * * * *

External links

* {{DEFAULTSORT:U1107 German Type VIIC/41 submarines 1944 ships U-boats commissioned in 1944 U-boats sunk in 1945 U-boats sunk by US aircraft World War II shipwrecks in the Atlantic Ocean World War II submarines of Germany Ships built in Emden Maritime incidents in April 1945