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|Builders:||Bocker and Lange, Reval, Estonia|
|Preceded by:||Orfey class|
|Length:||99.1 m (325 ft 2 in)|
|Beam:||9.4 m (30 ft 10 in)|
|Draught:||3.0 m (9 ft 10 in)|
|Speed:||33 knots (61 km/h; 38 mph)|
|Part of:||Baltic Fleet|
The Izyaslav class (Russian: Изяслав) were a class of destroyers built for the Baltic Fleet of the Imperial Russian Navy. They were modified versions of the Orfey class built in Russia with the assistance of the French Company Augustin Normand. These ships fought in World War I, Russian Civil War, Estonian War of Independence, and World War II.
The ships were an enlarged version of previous designs with a longer raised forecastle, and Frahm-type anti-rolling tanks. An extra 100-millimetre (4 in) gun was added and the number of torpedo tubes reduced.
These ships were built by Bocker and Lange in Reval, Estonia. The ships were delayed due to ordering machinery from Switzerland which was embargoed on the outbreak of World War I. New machinery was ordered from Britain.
|Avtroil - renamed Lennuk - renamed Almirante Guise||13 January 1915||Captured by the British in 1918, given to the Estonian Navy and sold by the Estonians to Peru, in 1933, scrapped in 1954|
|Izyaslav - renamed Karl Marx||27 June 1915||Sunk 8 August 1941|
|Prymyslav - renamed Kalinin||9 August 1915||Sunk 28 August 1941|
|Bryachislav||1 October 1915||Evacuated to Petrograd but scrapped incomplete 1923|
|Fedor Stratilat||1915||Evacuated to Petrograd but scrapped incomplete 1923|
- Chesneau, Roger, ed. (1980). Conway's All the World's Fighting Ships 1922–1946. Greenwich, UK: Conway Maritime Press. ISBN 0-85177-146-7.
- Friedman, Norman (2011). Naval Weapons of World War One. Barnsley, South Yorkshire, UK: Seaforth. ISBN 978-1-84832-100-7.
- Gardiner, Robert & Gray, Randal, eds. (1984). Conway's All the World's Fighting Ships: 1906–1921. Annapolis, Maryland: Naval Institute Press. ISBN 0-85177-245-5.
- Whitley, M. J. (1988). Destroyers of World War Two. Annapolis, Maryland: Naval Institute Press. ISBN 0-87021-326-1.
Media related to Izyaslav class destroyer at Wikimedia Commons