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Italian submarine F7

Italian Navy submarine of 1917–1929 From Wikipedia, the free encyclopedia

F7 was an F-class submarine in commission in the Italian Regia Marina (Royal Navy) from 1917 to 1929. She took part in the Adriatic Campaign of World War I, during which she sank two steamers.

NameF7
Laid down1 July 1915
Launched23 December 1916
Quick facts History, Italy ...
History
Italy
NameF7
BuilderFIAT-San Giorgio, La Spezia, Italy
Laid down1 July 1915
Launched23 December 1916
Commissioned19 March 1917
Decommissioned1 February 1929
IdentificationPennant number F7
MottoVenne il dì nostro e vincere bisogna (Our day has come and we must win)[1]
FateScrapped
General characteristics
Class & typeF-class submarine
Displacement
  • 262 long tons (266 t) (surfaced)
  • 319 long tons (324 t) (submerged)
Length
Beam4.2 m (13 ft 9 in)
Draught3.1 m (10 ft 2 in)
Propulsion
Speed
  • 12.5 knots (23.2 km/h; 14.4 mph) (surfaced)
  • 8.2 knots (15.2 km/h; 9.4 mph) (submerged)
Range
  • 1,600 nmi (3,000 km; 1,800 mi) at 8.5 knots (15.7 km/h; 9.8 mph) (surfaced)
  • 80 nmi (150 km; 92 mi) at 4 knots (7.4 km/h; 4.6 mph) (submerged)
Test depth45 metres (148 feet)
Complement26 (2 officers, 24 men)
Armament
NotesSOURCE:[2]
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Design

Construction and commissioning

F7 was laid down by FIAT-San Giorgio at La Spezia, Italy, on 1 July 1915. She was launched on 23 December 1916 and commissioned on 19 March 1917.[1][2][3][4]

Service history

Crewmen load a 450 mm (17.7-inch) torpedo aboard F7.

F7 was assigned to operations in the Adriatic Campaign of World War I. Initially stationed at Brindisi, she was transferred to the northern Adriatic Sea in January 1918, where she operated alternately from Venice and Porto Corsini.[1][5]

On 12 February 1918, F7 sank the 245-gross register ton steamer Pelagosa — which was operating as an Austro-Hungarian Navy auxiliary warship and antisubmarine patrol vessel — near Grujica Island (known to the Italians as Guizza Rock). She also sank the passenger-cargo ship SS Euterpe near Pag on 11 August 1918.[1][5]

Off Point Mika on 29 August 1918, F7 fired a torpedo at a submarine and later at a steamer. In both cases, the torpedo malfunctioned and missed its target.[1][5]

F7 also undertook minefield reconnaissance missions in the waters of the Maknare Channel (known to the Italians as the Passo delle Sette Bocche). During one of these she attacked a steamer about 3 nautical miles (5.6 km; 3.5 mi) from Škarda, but malfunctions in F7′s torpedo-firing mechanism prevented her from hitting the ship.[1][5]

World War I ended in November 1918. After it ended, F7 served under the Venice naval command until April 1919. She then was stationed at Naples until 1923. In October 1925, she was transferred to the Submarine Division at Taranto. Throughout the postwar period, she participated in maneuvers, attack exercises, and torpedo-firing drills.[1][5]

F7 was decommissioned and stricken from the navy list on 1 February 1929. She subsequently was scrapped.[1][2][3][4][5]

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