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Vesikko
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WW1 Submarine UC-42
Re-discovered only in December 2011 by Irish sports divers, the wreck of the mine-laying type II submarine UC-42 lies in 27metres about 7 miles from the mouth of Kinsale harbour. The theory is that she was blown up by one of it's own mines. Though the hatches are open, there were no survivors. She is a war grave.
DETAILS:
weight (tons): 493 disp (subm)
dimensions: 49,35 x 5,22 x 3,68 m
material: steel
engine: 2 x 6-cylinder diesel engines, 500 hp, 2 x Siemens-Schuckert electric motors, 460 hp, twin screw
armament: 7 torpedoes, 3 T.T. 50cm, 2 fwd and 1 aft, 6 chutes for 18 mines 1 × 88 mm or 105 mm deck gun
power: 500 h.p.
speed: 11.5 knots
yard no.: 75
Wreck Site notes:
UC-42 sailed on her last patrol on 1 September 1917. On 31 October 1917 Torpedo Boat TB 055 was accompanying minesweepers operating at the entrance to Cork harbour. At 1500 hours an oil track was seen floating on the surface of the water. Following it to its source, TB 055 used its hydrophone to see if the oil was coming from a submarine. Loud mechanical sounds, of "hammering" and "turbine-like noises" were reported and, believing this to be a U-boat, a marker buoy was dropped, followed shortly after by a depth charge.
Following detonation of the charge, TB 055 returned to the area and found that the volume of floating oil had increased, and there were bubbles rising to the surface. TB 055 signaled the nearby armed minesweeper HMT Sarba for assistance. Sarba used her hydrophone but detected no sounds from the presumed submarine. A second depth charge was dropped and Sarba remained on station overnight. The following morning HMD Sunshine and TB 058 swept around the spot, to confirm that the incident had not been a false alarm caused by old wreckage. On 2 November oil was still coming to the surface and dockyard drivers arrived to inspect the assumed wreck. The divers reported a German U-boat lying on the seabed with her stern blown off, and a brass plate on her conning tower reading "C42, 1916" identified her as UC-42.
No survivors were ever reported even though some of the hatches were found to have been opened. It was thought likely that the submarine had been sunk by one of her own mines detonating under her stern while mine-laying.
The wreck was rediscovered on 6 November 2010 in 27m of water just off Roche's Point. It was found with "little obvious explosive damage". When the sinking and identification of the submarine was reported, the British Admiralty requested an identifiable item from the vessel for verification purposes, and in December 1917 divers recovered the telephone buoy from the conning tower. The Royal Nav y's Naval Intelligence Department were aware of submarine's 1 September departure date from Belgium and were sceptical about the hammering and engine noises reported by TB 055.
The Admiralty reported that "The longest known cruise of a UC boat in home waters is 24 days, so UC-42 must have been dead long before TB 055 and Sarba dropped the depth charges". (From Wikipedia, the free encyclopedia).
For a VIDEO of this wreck see https://kinsaleangling.com/videos/video/ww1-submarine-uc-42
Other notes:
By co-incidence, her sister UC-44 suffered the same fate on 4/August/1917 - laying mines while submerged off the entrance to Waterford harbour. Her captain Lt.Cmdr. Kurt Tebbenjohanns survived - escaping to the surface from the conning tower after the sub sank. He was one of 3 crew in the control room who apparently survived the initial blast. This submarine was raised in a 9 day operation and towed into Dunmore East for examination by the British Admiralty. They were particularly interested to find about the mine-laying subs and also wanted to see the serrated tooth cable cutter on the bow. After examination UC44 was taken back out to sea and scuttled.
Timmy Carey of Fermoy Sub Aqua Club who supplied many photos for the wreck for this website informed me that "there are lots of big conger on the wreck one of the lads in our club hand-feeds them sardines" !!!!