SM U 18
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SM U 18 ( previous / next - all submarines ) |
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 SM U 18 (2nd row, right) in the Kiel submarine harbor , 1914 |
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| Technical specifications | |
| Submarine type: | Two-hull ocean-going boat |
| series | U 17 - U 18 |
| Displacement: | 564 tons (above water) 691 tons (under water) |
| Length: | 62.35 m |
| Width: | 6.00 m |
| Draft: | 3.40 m |
| Max. Diving depth: | 50 m |
| Drive: | Petroleum motors 2 × 700 PS E-machines 2 × 560 PS |
| Armament: | 2 bow tubes / 2 stern tubes / 6 torpedoes 1 × 105 mm (artillery) |
| Crew: | 4 officers 24 crew |
| Speed: | 14.9 knots (above water) 9.5 knots (under water) |
| Calls: | 5 patrols |
| Successes: | - |
| Whereabouts: | Rammed at Scapa Flow on November 23, 1914 (1 dead, 22 survivors). |
SM U 18 was a German submarine of the Imperial Navy .
It was commissioned on May 6, 1910 from the Imperial Shipyard in Danzig . The launch took place on April 25, 1912, the commissioning on November 17, 1912.
Operations during the war
U 18 put to sea on August 6, 1914 at 4:30 a.m. together with nine other boats for the very first patrol of the war.
On September 13, 1914, U 18 was able to rescue part of the crew of the small cruiser SMS Hela , which had been torpedoed southwest of Heligoland by the British submarine HMS E9 .
On November 23, 1914, U 18 entered the bay of Scapa Flow through Hoxa Sound, the main southern approach . It had passed the barriers in the wake of an incoming freighter. Because the British had evacuated the base at that time, U 18 did not find a worthwhile destination. While trying to break away, the boat was first discovered by the armed trawler Tokyo and shortly afterwards rammed by the armed minesweeping trawler Dorothy Gray in the Pentland Firth . Both periscopes were destroyed and the elevator damaged, so that a controlled dive trip was no longer possible. After the destroyer HMS Garry, which had meanwhile rammed the boat, gave up von Hennig U 18 and ordered the self- sinking . The crew was able to save themselves except for a sailor and was captured.
commander
- Heinz von Hennig (August 26, 1913 to November 23, 1914)
Captain von Hennig was able to escape from the Welsh POW camp Dyffryn Aled, near Denbigh . Together with two other escaped prisoners of war, he was to be taken in by U 38 on the night of August 14th to 15th, 1915 . Due to a rock protruding into the bay, the refugees and U 38 could not see each other, so that Hennig and his comrades were captured that same night.
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