Convoy SC 94 was the 94th of the numbered series of
World War II Slow Convoys of merchant ships from
Sydney,
Cape Breton Island,
Nova Scotia, to
Liverpool.
[Hague 2000 p.133] The ships departed Sydney on 31 July 1942 and were met by
Mid-Ocean Escort Force Group C-1.
Background
As western Atlantic coastal convoys brought an end to the
Second Happy Time
The "Second Happy Time" (; officially Operation Paukenschlag ("Operation Drumbeat"), and also known among German submarine commanders as the "American Shooting Season") was a phase in the Battle of the Atlantic during which Axis submarines att ...
, Admiral
Karl Dönitz
Karl Dönitz (sometimes spelled Doenitz; ; 16 September 1891 24 December 1980) was a German admiral who briefly succeeded Adolf Hitler as head of state in May 1945, holding the position until the dissolution of the Flensburg Government follo ...
, the ''
Befehlshaber der U-Boote'' (commander in chief of U-boats), shifted focus to the mid-Atlantic to avoid aircraft patrols. Although convoy routing was less predictable in the mid-ocean, Dönitz anticipated that the increased numbers of U-boats being produced would be able to effectively search the area with the advantage of intelligence gained through ''
B-Dienst
The ''B-Dienst'' (german: Beobachtungsdienst, observation service), also called x''B-Dienst'', X-''B-Dienst'' and χ''B-Dienst'', was a Department of the German Naval Intelligence Service (german: Marinenachrichtendienst, MND III) of the OKM, t ...
'' decryption of British Naval Cypher Number 3. However, only 20 percent of the 180 trans-Atlantic convoys sailing from the end of July 1942 until the end of April 1943 lost ships to U-boat attack.
Battle
Discovery on 5 August
reported the convoy on 5 August and torpedoed the Dutch freighter ''Spar''.
[Rohwer & Hummelchen 1992 p. 153]
Attack of 6 August
''Assiniboine''s Type 286 radar spotted in a heavy fog on 6 August. The destroyer closed on the contact and briefly spotted the submarine twice before losing her in the fog. The submarine reappeared crossing the destroyer's bow at a range of , and both ships opened fire. The range was too close for ''Assiniboine''s guns to engage, but her .50-calibre machine guns shot up the submarine's deck and
conning tower
A conning tower is a raised platform on a ship or submarine, often armored, from which an officer in charge can conn the vessel, controlling movements of the ship by giving orders to those responsible for the ship's engine, rudder, lines, and gro ...
. This kept the Germans from manning their
deck gun, but the flak gun was already manned and firing. It punched holes through the destroyer's plating that set some petrol tanks on the deck afire and disabled 'A' gun. The destroyer was unable to ram ''U-210'' until the rear 4.7-inch gun hit the conning tower, killing the entire
bridge crew and the .50-caliber machine guns were able to silence the flak gun. This caused Lieutenant Sorber, the senior surviving officer, to order the submarine to dive, but this meant that she had to hold a straight course while doing so. ''Assiniboine'' was able to take advantage of this and rammed ''U-210'' abaft the conning tower whilst she was diving. This caused the electric motors to fail, damaged her
propeller
A propeller (colloquially often called a screw if on a ship or an airscrew if on an aircraft) is a device with a rotating hub and radiating blades that are set at a pitch to form a helical spiral which, when rotated, exerts linear thrust upon ...
s and led to water entering the submarine, as a result of which Sorber ordered the
ballast tank
A ballast tank is a compartment within a boat, ship or other floating structure that holds water, which is used as ballast to provide hydrostatic stability for a vessel, to reduce or control buoyancy, as in a submarine, to correct trim or list, ...
s to be blown and the submarine to be abandoned. The destroyer rammed her again when ''U-210'' resurfaced, dropped a pattern of
depth charge
A depth charge is an anti-submarine warfare (ASW) weapon. It is intended to destroy a submarine by being dropped into the water nearby and detonating, subjecting the target to a powerful and destructive Shock factor, hydraulic shock. Most depth ...
s set to detonate at shallow depth and hit her one more time with a 4.7-inch shell before the submarine finally sank.
Attack of 8 August
torpedoed the British freighter ''Anneberg'' and American freighter ''Kaimoku'' on the afternoon of 8 August while torpedoed the British freighters ''Kelso'' and ''Trehata'' and Greek freighter ''Mount Kassion''.
[Hague 2000 p.137] Three undamaged ships were abandoned in the resulting panic.
One of them, the British freighter ''Radchurch'', was later torpedoed by ''U-176''.
The
''Shakespeare''-class destroyer leader and the Polish destroyer arrived to reinforce the escort, while ''Dianthus'' left the convoy to repair damage incurred while ramming and sinking ''U-379''.
Attack of 10 August
torpedoed the Greek freighter ''Condylis'' in daylight on 10 August while torpedoed the British freighters ''Cape Race'', ''Empire Reindeer'' and ''Oregon''.
The remainder of the convoy reached
Liverpool on 13 August.
Ships in the convoy
Allied merchant ships
A total of 35 merchant vessels joined the convoy, either in Sydney or later in the voyage.
Convoy escorts
A series of armed military ships escorted the convoy at various times during its journey.
[Milner 1985 p.285][
]
See also
* Convoy Battles of World War II
Notes
References
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{{DEFAULTSORT:Convoy SC 094
SC094
Naval battles of World War II involving Canada
C