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SM U-17 (Austria-Hungary)

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SM U-17 on her first sortie
History
Austria-Hungary
NameSM U-17
Ordered1 April 1915[1]
BuilderAG Weser, Bremen[1]
Yard number234[2][3]
Laid downApril 1915[3]
Completed30 September 1915[4]
Commissioned6 October 1915[5]
FateTurned over to Italy, scrapped by 1920
Service record
Commanders:
  • Franz Skopinic
  • 6 October – 9 December 1915[5]
  • Zdenko Hudeček
  • 9 December 1915 – 17 September 1916
  • Franz Rzemenowsky von Trautenegg
  • 17 September – 9 October 1916
  • Zdenko Hudeček
  • 9 October – 19 December 1916
  • Karl Edler von Unczowski
  • 19 December 1916 – 6 January 1917
  • Zdenko Hudeček
  • 6 January – 26 February 1917
  • Albrecht Graf von Attems
  • 26 February – 12 June 1917
  • Hermann Rigele
  • 12 June – 22 November 1917
  • Wladimir Pfeifer
  • 22 November 1917 – 26 August 1918
Victories:
  • 1 merchant ship sunk
    (40 GRT)
  • 1 warship sunk
    (680 tons)[5]
General characteristics
Class and typeU-10-class submarine
Displacement
Length
Beam3.15 m (10 ft 4 in)
Draught3.03 m (9 ft 11 in)
Propulsion
Speed
  • 6.5 knots (12.0 km/h; 7.5 mph) surfaced
  • 5.5 knots (10.2 km/h; 6.3 mph) submerged[1]
Range
  • 1,500 nmi (2,800 km; 1,700 mi) at 5 kn (9.3 km/h; 5.8 mph) surfaced
  • 45 nmi (83 km; 52 mi) at 4 kn (7.4 km/h; 4.6 mph) submerged[6]
Complement17[1]
Armament

SM U-17 or U-XVII was a U-10-class submarine or U-boat of the Austro-Hungarian Navy (German: Kaiserliche und Königliche Kriegsmarine or K.u.K. Kriegsmarine) during World War I. U-17 was laid down in Germany in April 1915 and shipped in sections by rail to Pola in August, where she was assembled. She was delivered to the Austro-Hungarian Navy at the end of September and commissioned in October 1915.

U-17 primarily operated from Cattaro, patrolling off the Italian and Albanian coasts. The submarine had several opportunities to sink merchant ships and warships throughout the war, but could only sink one unidentified sailing vessel in January 1916 and one Italian destroyer in July 1916 as part of an effort to disrupt the Otranto Barrage. At the end of the war, U-17 was undergoing repairs at Pola. She was handed over to Italy as a war reparation and scrapped in 1920.

Design and construction

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U-17 was a small, coastal submarine that displaced 125.5 long tons (127.5 t) surfaced and 140.25 long tons (142.50 t) submerged. She featured a single shaft, a single 60 bhp (45 kW) Daimler diesel engine for surface running, and a single 120 shp (89 kW) electric motor for submerged travel.[1] U-17 was capable of up to 6.5 knots (12.0 km/h; 7.5 mph) while surfaced and 5.5 knots (10.2 km/h; 6.3 mph) while submerged at a diving depth of up to 50 metres (160 ft). She was designed for a crew of 17 officers and men.[1]

U-17 was equipped with two 45 cm (17.7 in) torpedo tubes located in the front and carried a complement of two torpedoes. In October 1916, U-17's armament was supplemented with a 37 mm/23 (1.5 in) quick-firing (QF) gun. This gun was replaced by a 47 mm (1.9 in)/33 QF gun in November 1917.[1]

U-17 was ordered by the Austro-Hungarian Navy on 1 April 1915 and laid down at AG Weser in Bremen later that month.[1][3] When completed, the submarine was broken down into sections, loaded onto railcars, and shipped to the Austro-Hungarian Navy's main base at Pola on 30 August.[1][4] After completing the four-day journey,[4] the sections were riveted together.[1] Though there is no specific mention of how long it took for U-17's sections to be assembled, a sister boat, the German Type UB I submarine UB-3, shipped to Pola from Germany in mid-April 1915, was assembled in about two weeks.[7][Note 1] U-17 was delivered to the Austro-Hungarian Navy on 30 September.[4]

Operational history

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SM U-17 was commissioned into the Austro-Hungarian Navy on 6 October under the command of Linienschiffsleutnant Franz Skopinic.[5][Note 2] The boat patrolled the Italian coast out of Pola for most of the next two months, interrupted by engine repairs in mid November.[4] On 9 December, Skopinic was succeeded as U-17's commanding officer by Linienschiffsleutnant Zdenko Hudecek.[5]

By the end of December, U-17 was operating from Cattaro and patrolling off the Albanian and Montenegrin coasts. Hudecek and U-17 made two unsuccessful attacks on enemy destroyers in January. On 23 February, Hudecek attempted an attack on a cargo ship off Durazzo, but was discovered and depth charged. Two days later the submarine put into Cattaro to replace a broken gyrocompass with a new magnetic compass.[4] In mid-March, U-17 shifted to patrol off the Italian coast once again and was attacked by air on 15 March off Brindisi. The Italian patrols continued until late May, when U-17 was sent to patrol in the Ionian Sea. Duty in the Straits of Otranto followed in June, as part of the plan to disrupt the Otranto Barrage.[8] On 12 June, the submarine attempted an attack on an Italian Orfeo-class torpedo boat; the torpedo boat survived and repaid U-17 by dropping several depth charges nearby.[4] On 10 July, U-17 torpedoed and sank the 680-metric-ton (750-short-ton) Italian destroyer Impetuoso, The Italian ship had been guarding drifters, small fishing vessels with anti-submarine nets stretched between them as part of the Otranto Barrage.[8] Impetuoso was the only ship sunk by U-17.[9] The U-boat continued patrols in the Adriatic throughout the remainder of 1916. U-17 was depth charged by a destroyer off Fano on 14 September. Two days later, a failed attack on a steamer resulted in another depth charging of U-17, this time by an Orfeo-class torpedo boat. In early October, an air attack by two airplanes damaged U-17.[4]

The year 1917 was uneventful for U-17. The submarine resumed patrols off Albania in January. In May, the U-boat had to crash dive near Valona when a bomber appeared overhead and dropped its payload. A foray to Bari in July provided another opportunity to attack a steamer, but the torpedoes missed their mark.[4] On 16 August, U-17, by now under the command of Linienschiffsleutnant Hermann Rigele,[5] attempted a torpedo attack on a cargo ship off Saseno. At the end of October, U-17 escaped damage from a torpedo attack by an enemy submarine near Cape Menders, Albania. A month later, the submarine was once again attacked by air, surviving two bombs dropped from a single airplane.[4]

In the first part of June 1918, U-17 patrolled off the coast of Italy, but had returned to Cattaro on 12 June. Two weeks later, the boat set out for Pola to undergo repairs. At the end of the war, the ship's repairs remained unfinished.[4] U-17, at Pola with six other Austro-Hungarian submarines, was ceded to Italy as a war reparation.[10][Note 3] U-17 was broken up at Pola by the Italians in 1920.[1]

Summary of raiding history

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Date Name Nationality Tonnage[Note 4] Fate[11]
1 January 1916 Unidentified Sailing Vessel Unknown 40 Sunk
10 July 1916 Impetuoso  Regia Marina 680 Sunk

Notes

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  1. ^ The Austro-Hungarian U-10 class and the German Type UB I were virtually identical.
  2. ^ Two of U-16's sister ships, SM U-15 and SM U-16, were commissioned the same day.
  3. ^ The other six submarines at Pola were U-1, U-2, U-11, U-15, U-27, and U-32.
  4. ^ Merchant ship tonnages are in gross register tons. Military vessels are listed by tons displacement.

References

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  1. ^ a b c d e f g h i j k l m n Gardiner, p. 343.
  2. ^ Baumgartner and Sieche, as excerpted here (reprinted and translated into English by Sieche). Retrieved 17 November 2008.
  3. ^ a b c "U-17 (6104943)". Miramar Ship Index. Retrieved 17 February 2010.
  4. ^ a b c d e f g h i j k "Tengeralattjárók" (PDF) (in Hungarian). Imperial and Royal Navy Association. p. 17. Archived from the original (PDF) on 11 October 2021. Retrieved 22 January 2009.
  5. ^ a b c d e f Helgason, Guðmundur. "WWI U-boats: KUK U17". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 6 November 2008.
  6. ^ Gardiner, p. 180.
  7. ^ Messimer, p. 126–27.
  8. ^ a b Compton-Hall, p. 230.
  9. ^ Helgason, Guðmundur. "Ships hit by KUK U17". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 17 February 2009.
  10. ^ Gibson and Prendergast, p. 388.
  11. ^ Helgason, Guðmundur. "Ships hit by KUK U 17". German and Austrian U-boats of World War I - Kaiserliche Marine - Uboat.net. Retrieved 21 January 2015.

Bibliography

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