The Poti class was the NATO reporting name

NATO reporting name

NATO reporting names are classified code names for military equipment of the Eastern Bloc...

 for a group of anti submarine corvettes built for the Soviet Navy

Soviet Navy

The Soviet Navy was the naval arm of the Soviet Armed Forces. Often referred to as the Red Fleet, the Soviet Navy would have played an instrumental role in a Warsaw Pact war with NATO, where it would have attempted to prevent naval convoys from bringing reinforcements across the Atlantic Ocean...

. The Soviet designation was Project 204 small anti-submarine ships. These ships were the first soviet warships powered by gas turbine

Gas turbine

A gas turbine, also called a combustion turbine, is a type of internal combustion engine. It has an upstream rotating compressor coupled to a downstream turbine, and a combustion chamber in-between....

 engines; two propellers were mounted in tunnels to give a very shallow draught. A twin 57mm gun mounting provided self defence.

Ships

A total of 66 ships were built between 1960 and 1968. In the Soviet Union

Soviet Union

The Soviet Union , officially the Union of Soviet Socialist Republics , was a constitutionally socialist state that existed in Eurasia between 1922 and 1991....

 the Poti class corvettes were decommissioned by the late 1980s; some Bulgarian ships served into the 21st century.
Builders were:

• Kerch yard 24 ships
• Zelenodolsk yard : 31 ships
• Khabarovsk yard: 11 ships

Exports

• Bulgarian Navy
  Bulgarian Navy
  The Bulgarian Navy is the navy of Republic of Bulgaria and forms part of the Bulgarian Armed Forces. It has been largely overlooked in the reforms that Bulgaria had to go through in order to comply with NATO standards, mostly because of the great expense involved and the fact that naval assaults...
  
  : 6 ships transferred 1968-1983

Hull number	Name	Soviet name	Launched	Transferred	Fate
44 (ex-14, ex-33)	Khrabri - Храбрый (Valliant)	MPK-?	1960s	1968	Decommissioned in 2005, sold for scrapping
45 (ex-44, ex-34)	Strogi - Строгий (Stern)	MPK-?	1960s	1975	Decommissioned in 1994, sold for scrapping in Turkey 1997.
46 (ex-15, ex-35)	Bezstrashni - Бесстрашный (Fearless)	MPK-?	1960s	1975	Gas turbines removed in 1994. Decommissioned in 2005, sold for scrapping
41	Letjashhi - Летящий (Flighty)	MPK-?	1960s	1982	Decommissioned in 2005, sold for scrapping
42	Bditelni - Бдительный (Watchful)	MPK-?	1960s	1982	Decommissioned in 2005, sold for scrapping
43	Naporisti - Напористый (Energetic)	MPK-148	1962	1983	Decommissioned in 1994, sank during towing to Turkey in 1997

Note: The former Soviet numbers of most of the individual ships are not known, but it is known that MPK-59, MPK-77 and MPK-109 were among the ships given to Bulgaria.

• Romanian Navy: 3 ships 1970

Hull number	Name	Soviet name	Launched	Transferred	Fate
31	none	MPK-?	1967	1970	Decommissioned after 1992
32	none	MPK-?	1967	1970	Decommissioned after 1992
33	none	MPK-?	1967	1970	Decommissioned after 1992

Note: The former Soviet numbers of the individual ships are not known, but it is known that MPK-106 and MPK-125 were among the ships given to Romania. The Romanian ships carried the older RBU-2500 ASW rocket launchers and two 533 mm (21 in) torpedo tubes versus the newer RBU-6000 and four 406 mm (16 in) torpedoes on the Bulgarian ships.