Project 56

NATO: Kotlin

Project 56A

Type	DDG
Soviet designation	EM
NATO reporting name	Kotlin SAM
Country	USSR
Displacement (t)	3,620
Length (m)	126.1
Beam (m)	12.8
Draft (m)	4.3
Height (m)	12.8
Max speed (kn)	34.5
Endurance (days)	10

Sensors

Sonar (1)

Name	Type	Platform	Passive range (km)	Active range (km)
Gercules 2	Hull	surf	0.4	1.7

Radar (2)

Name	NATO name	Air search	Surface search	Fire control
MR-310 Angara-A	Head Net B	Yes	Yes	—
Neptune		—	Yes	—

Launchers (10)

Name

Tubes

12 x RBU 6000 (projector)

1962 - present: 192 x Smerch (RGB-60

12 x RBU 6000 (projector)

1962 - present: 192 x Smerch (RGB-60

2 x 130mm SM-2-1 (forward)

2 x ZIF-101 M-1 Volna

1962 - present: 16 x Volna

30mm AK-230 (port)

30mm AK-230 (starboard)

4 x 45mm SM-20ZIF (forward)

5 x 533mm Torpedo (port/starboard)

1962 - 1963: 5 x SET-53
1964 - 1964: 5 x SET-53M
1965 - present: 5 x SET-65

Towed devices (1)

Name	Type	NATO name	Towed decoy	Capabilities	Cable (m)	Depth (m)	Speed (kn)
BOKA-DU Towed decoy	Towed decoy	—	BOKA-DU	—	—	—	—

Individual hulls (6)

Name

Short name

Country

Start date

End date

Remark

Nakhodchivyy

USSR

1966-03-12 (Modernization from "Project 56")

1989-04-25 (Decommissioned)

Red Banner Northern Fleet: 1966-03-12 – 1968-03-12
Black Sea Fleet: 1968-03-12 – 1989-04-25

Nastoychivyy

USSR

1970-07-17 (Modernization from "Project 56")

1989-04-25 (Decommissioned)

Nesokrushimyy

USSR

1970-12-31 (Modernization from "Project 56")

1991-07-27 (Decommissioned)

Skromnyy

USSR

1969-11-19 (Modernization from "Project 56")

1989-04-25 (Decommissioned)

Spravedlivyy

USSR

1969-11-02 (Modernization from "Project 56")

1970-06-25 (Export to Poland, Warszawa 275)

Vozbuzhdennyy

USSR

1966-07-16 (Modernization from "Project 56")

1989-04-25 (Decommissioned)