Russian light cruiser Admiral Greig 1913-1920s and oil tanker Azneft 1920s-1938

Italian Bari former German Pillau and Russian Maraviev Amursky y

Svetlana-class

Laid down at the Russo-Baltic Shipyard, Reval, Russian Empire [nowadays Tallinn, Estonia] on 7 November 1913, launched on 9 December 1916, transferred to Petrograd to prevent capture by the German forces in late 1917 and commissioned on 24 December 1926 although completed as the oil tanker SS Azneft, added to the Black Sea Fleet broke she loss during a storm in Tuapse on 23 December 1938 and capsized after striking a mole.

Svetlana-class consisting of the Svetlana, Amiral Greig, Admiral Butakov and Admiral Spiridov, preceded by the Muraviev Amurski-class (1) and succeeded by the Admiral Nakhimov-class.(2) Design process for this class started in 1907 resulting in begin 1912 in a design for a cruiser with a displacement of 4.100-5.100 tons with a speed of 30 knots and an armament of 12-13cm/5,1” cal 55 Pattern 1913 guns. Wile the navy demanded more was concluded that the ships should be too small resulting in November 1912 in a displacement of 6.700 tons. When the shipyards agreed to lower the building costs was as compensation the speed limited to 29,5 knots. Part of the Svetlana-class consisting of the Svetlana, Admiral Greig, Admiral Butakov and Admiral Spiridov, preceded by the Muraviev Amurski-class (1) and succeeded by the Admiral Nakhimov-class.(2)

General technical class details.
Dimensions 158,4 (over all) x 15,3 x 5,56 metres or 519.8 x 50.2 x 18.3 feet and a standard displacement of 6.860 tons. The machinery consisted of 4 geared Curtis-AEG-Vulkan steam turbines and 13 Yarrow boilers supplying via 4 shafts 50.000 shp allowing a speed of 29,5 knots. Fuel oil bunker capacity 1.186 tons. Crew numbered. The armament consisted of 15x1-13cm/5.1” Pattern 1913 guns, 4x1-6,33cm/2.5” anti aircraft guns and 2x1-45cm/17.7” torpedo tubes. Able to take 10 mines with them. The armour consisted of a 2,5-7,6cm/0.98-2.99” thick belt over the complete hull length stretching from the lower deck to 0,91 metres/3” below the water line. Between the lower and main decks was 2,5cm/0.08” armour protection. All decks had a thickness of 2cm/0.79”. Funnel uptakes and the gun shields had an armour protection of 2,5cm thick armour, the conning tower by 7,6cm/3”.

Notes
1. The Maraviev Amurskyy and the Admiral Nevelskoy were built in Germany but confiscated when the war broke out and commissioned in the German navy as the Pillau-class cruisers SMS Pillau (since 1920 the Italian Bari) and the Elbing (scuttled at the Battle of Jutland 1 June 1916).
2. Consisting of the Admiral Nakhimov, Admiral Kornilov, Admiral Istomin and Admiral Lazarev.