SM U 91
| SM U 91 ( previous / next - all submarines ) |
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| Construction data | ||
| Submarine type: | Two-hull ocean- going boat official draft from MS -type war mission F |
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| Series: | U 87 - U 92 | |
| Builder: | Germania shipyard, Kiel | |
| Launch: | April 14, 1917 | |
| Commissioning: | September 17, 1917 | |
| Technical specifications | ||
| Displacement: | 757 tons (above water) 998 tons (under water) |
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| Length: | 65.80 m | |
| Width: | 6.20 m | |
| Draft: | 3.88 m | |
| Pressure body ø: | 4.18 m | |
| Max. Diving depth: | 50 m | |
| Dive time: | 45-56 s | |
| Drive: | Diesel engines 2400 PS E-machines 1200 PS |
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| Speed: | 15.6 knots (above water) 8.6 knots (under water) |
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| Armament: | 2 × 50 cm bow torpedo tube 2 × 50 cm stern torpedo tube (10–12 torpedoes) 1 × 10.5 cm deck gun |
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| Mission data | ||
| Commanders: |
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| Crew (target strength): | 4 officers 32 men |
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| Calls: | 7th | |
| Successes: | 35 sunk merchant ships | |
| Whereabouts: | extradited to France on November 26, 1918; scrapped in Brest in July 1921 | |
The SM U 91 was a diesel-electric fleet submarine of the German Imperial Navy that was used in the First World War .
Calls
U 91 was launched on 14 April 1917 at the Germania shipyard in Kiel from the stack and was put into service on September 17 1917th From December 1917 the submarine of the III. U- Flotilla assigned in Emden and Wilhelmshaven . The first and only in command of the boat was from September 17, 1917 to November 11, 1918, Lieutenant Captain Alfred von Glasenapp .
U 91 led seven enterprises in the eastern North Atlantic through which up to the Strait of Gibraltar submitted. 35 merchant ships with a total tonnage of 81,779 gross registered tonnes (GRT) were sunk, mostly ships sailing under the British flag , but also ships flying the flags of neutral countries.
The largest ship sunk by U 91 was the British Oronsa (approx. 8,000 GRT) of the Pacific Steam Navigation Company . The Oronsa was hit by a torpedo from U 91 on April 28, 1918 on her voyage from New York to Liverpool near Bardsey Island . When the ship went down, three people were killed.
The smallest ship sunk by U 91 was the Ave Maris Stella (22 GRT) fishing boat , which sank in the Bay of Biscay on October 2, 1918 after artillery fire .
Whereabouts
U 91 survived the First World War and was delivered to France at the end of November 1918 . It was scrapped in Brest in July 1921 .
Notes and individual references
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 139.
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 123.
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 68.
- ↑ According to www.uboat.net, 37 ships with a total of 87,119 tons were sunk and two ships with a total of 11,821 tons were damaged.
- ↑ www.uboat.net: WWI U-boat Successes - Ships hit by U 91 (Engl.)
- ↑ www.uboat.net: Ships hit during WWI - Oronsa (Engl.)
- ↑ www.uboat.net: Ships hit during WWI - Ave Maris Stella (Engl.)
- ↑ Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, p. 91.
literature
- Bodo Herzog: German U-Boats 1906–1966 . Karl Müller, Erlangen, 1993, ISBN 3-86070-036-7 .
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