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Greek submarine Katsonis (Υ-1)

History
Greece
Name: Katsonis (Greek: Y-1 Κατσώνης)
Namesake: Lambros Katsonis
Builder: Gironde Bordeaux shipyards
Laid down: 1925
Launched: 1927
Commissioned: 8 June 1928
Fate: Sunk 14 September 1943
Notes: Historical summary from the Hellenic Navy website
General characteristics
Class and type: Katsonis-class submarine
Displacement:
  • surfaced: 576 tons
  • submerged: 775 tons
Length: 62.5 m (205 ft)
Beam: 5.3
Draft: 3.6 m (12 ft)
Propulsion:
  • one 1,300 hp (970 kW) diesel engine,
  • one 1,000 hp (750 kW) electric engine
Speed:
  • surfaced: 14 knots (26 km/h; 16 mph)
  • submerged: 9 knots (17 km/h; 10 mph)
Complement: 30
Armament:
  • 2 × 21-inch (533 mm) internal bow T/T,
  • 2 × 21-inch (533 mm) external bow T/T,
  • 2 × 21-inch (533 mm) external stern T/T, 1 × 100 mm gun, 2 MGs

Y-1 Katsonis (Greek: Y-1 Κατσώνης) was a Greek submarine active during the Second World War. Katsonis, together with her sister ship, Papanikolis, formed the first class of Greek submarines ordered after the First World War. The submarine was built at the Gironde Bordeaux shipyards between 1925–27, and commissioned into the Hellenic Navy on 8 June 1928. Her first captain was Cdr Κ. Arvanitis.

Under the command of Cdr Athanasios Spanidis, Katsonis participated in the 1940-41 Greco-Italian War, carrying out four war patrols, and sinking one vessel, the 531-ton Italian freighter Quinto, on 31 December 1940. After the German invasion of April 1941, together with the rest of the fleet, Katsonis fled to the Middle East, from where she would operate during the next years, with the British pennant number N 16. On 2 July 1942, she was damaged while exiting a dry dock at Port Said.

After overhaul, under the command of Cdr. Vasileios Laskos, she went on further three patrols in the Aegean. During these patrols, Katsonis ambushed and sank an Italian minelayer in the port of Gytheio on 2 April 1943, the Spanish 535-ton merchant vessel San Isidoro off Kythnos three days later, and the freighter Rigel near Skiathos on 29 May. On 14 September however, while trying to intercept a German troop transport, she was attacked and sunk by the German submarine chaser UJ-2101 (ex Greek mine sweeper Strymon, Cdr Kptlt. Friedrich Vollheim).

Katsonis has been spotted on the surface and dived. After depthcharging she was forced to surface and continued fighting with her deck gun. Finally UJ-2101 rammed the submarine.


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Wikipedia

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