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S-7 file photo [18350]

S-7

CountryRussia
Ship ClassSrednyaya-class Submarine
Builder NameKrasnoye Sormovo Factory No. 112, Gorky, Russia
Laid Down14 Dec 1936
Launched5 Apr 1937
Commissioned30 Jun 1940
Sunk21 Oct 1942
Displacement840 tons standard; 1,050 tons submerged
Length255 feet
Beam21 feet
Draft14 feet
MachineryTwo diesel engines (2,000hp), two electric motors (550hp), two propellers
Speed19 knots
Range9,800 miles at 10 knots surfaced, 148 miles at 3 knots submerged
Crew48
Armament4x533mm forward torpedo tubes, 2x533mm aft torpedo tubes, 12 torpedoes, 1x100mm B-24-2 gun, 1x45mm 21-K gun
Submerged Speed9 knots

Contributor:

ww2dbaseSoviet submarine S-7 was built at Krasnoye Sormovo Factory No. 112 named after Andrei Zhdanov in Gorky, Russia. After sinking 4 Swedish, Finnish, and German transport ships, she was sunk by Finnish submarine Vesihiisi southwest of Aland Islands, Finland on 21 Oct 1942. 4 men out of the crew of 48, including the commanding officer, survived the sinking; all 4 were rescued and were made prisoners of war. The wreck of submarine S-7 was found by a Swedish diving team in Jul 1998.

ww2dbaseSource: uboat.net

Last Major Revision: Jun 2013

Submarine S-7 Interactive Map

S-7 Operational Timeline

14 Dec 1936 The keel of submarine S-7 was laid down at Krasnoye Sormovo Factory No. 112 in Gorky, Russia.
5 Apr 1937 Submarine S-7 was launched at Gorky, Russia.
30 Jun 1940 Submarine S-7 was commissioned into service.
2 Jul 1942 Submarine S-7 departed Moshchny Island near Leningrad, Russia.
9 Jul 1942 Submarine S-7 attacked Swedish transport Noreg east of Arkösund, Sweden at 1617 hours; the torpedo missed. At 1958 hours, she sank Swedish transport margareta in the same area.
11 Jul 1942 Submarine S-7 sank Swedish transport Swedish transport Lulea east of Västervik, Sweden.
14 Jul 1942 Submarine S-7 attacked a Swedish convoy north of Kalmar Strait in the Baltic Sea; both torpedoes missed.
27 Jul 1942 Submarine S-7 damaged German transport Ellen Larsen south of Venspils, Latvia with her deck gun after a failed torpedo attack.
30 Jul 1942 Soviet submarine S-7 sank German ship Kathe 1 mile off Pavilosta, Latvia.
5 Aug 1942 Soviet submarine S-7 sank Finnish freighter Pohjanlahti with her deck gun 10 miles off Pavilosta, Latvia; the captain was captured, and charts of German and Finnish minefields in the Baltic region were acquired by the Soviets.
11 Aug 1942 Submarine S-7 arrived at Moshchny Island near Leningrad, Russia.
18 Oct 1942 Submarine S-7 departed Moshchny Island near Leningrad, Russia.
21 Oct 1942 Finnish submarine Vesihiisi sank Soviet submarine S-7 southwest of Aland Islands, Finland with one torpedo at 2041 hours; 44 were killed, 4 survived.




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Visitor Submitted Comments

1. Anonymous says:
6 Feb 2016 08:09:27 PM

My grandfather's brother, Efim Yampolsky, perished on this submarine on Oct. 21st, 1942.

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