Project 775 class

NATO: Ropucha

Overview

Project 775M class

Russian navy Project 775M (NATO: Ropucha II) class landing ship in Guam in 2006.
Source: US Navy - © Public domain

Origin

Poland

Type

Landing ship tank

Entered service

1977

Status

In service

Development

Early 1970's

Developer

Soviet Union

Production

1974 - 1991

Producer

Poland - Stocznia Polnocna shipyard, Gdansk

Number produced

25 Project 775
3 Project 775M

Designations

BDK-47 class
BDK / Bolshiye Desantnyye Korabl
Russian for "large landing ship"
Ropucha (NATO reporting name for Pr 775)
Ropucha II (NATO reporting name for Pr 775M)

Notable users

Soviet Union
Russia
Ukraine

Variants

Project 775

The first two batches were completed as Project 775. These have the 57mm AK-725 twin barrel dual purpose gun on bow and stern.

Project 775M

The third batch was produced to the improved Project 775M standard. 3 ships were completed. These have more modern sensors, a 76mm AK-176 on the bow and two 30mm AK-630 CIWS on the stern.

Details

Facts Project 775 class Project 775M class

General

Origin

Poland

Type

Landing ship tank

Complement

98, including 17 officers

Dimensions

Displacement

2.768 t normal

4.012 t full load

Length

112.5 m

Beam

15.0 m

Draft

4.3 m

Propulsion

Arrangement

Twin diesel engine

Engines

Zgoda-Sulzer 16ZVB40/48 diesel

Power output

19.200 hp combined

Propulsion

2 shafts, fixed pitch propellers

2 retractable stern thrusters

Power supply

3x 750 kW diesel

Mobility

Speed

17.5 kt

Range

3.500 nm at 16 kt

4.000 nm at 12 kt

Sensors

Air/surface search

MR-302 Rubka

Fire control radar

MR-103 Bars

Navigation radar

Don or Mius

Guns

Dual purpose

2x2 57mm AK-725

2.200 rounds carried

SSM

Rocket artillery

2x 122mm Grad-M

320 rockets carried

SAM

MANPADS

2x4 MTU-4 (on some in class)

9K32M Strela-2M or 9K38 Igla

Cargo

Cargo capacity

500 t

Option 1

10 MBT plus 340 troops

Option 2

12 BTR plus 340 troops

General

Origin

Poland

Type

Landing ship tank

Complement

98, including 17 officers

Dimensions

Displacement

2.750 t normal

4.000 t full load

Length

112.6 m

Beam

15.0 m

Draft

4.3 m

Propulsion

Arrangement

Twin diesel engine

Engines

Zgoda-Sulzer 16ZVB40/48 diesel

Power output

19.200 hp combined

Propulsion

2 shafts, fixed pitch propellers

2 retractable stern thrusters

Power supply

3x 750 kW diesel

Mobility

Speed

17.5 kt

Range

3.500 nm at 16 kt

4.000 nm at 12 kt

Sensors

Air/surface search

MR-352 Pozitiv-E

Fire control radar

MR-123 Vympel-A

Navigation radar

MR-212 Vaygach-U

Guns

Dual purpose

1x 76mm AK-176M

550 rounds carried

CIWS

2x 30mm AK-630

SSM

Rocket artillery

2x 122mm Grad-M

320 rockets carried

SAM

MANPADS

2x4 MTU-4

9K32M Strela-2M or 9K38 Igla

Cargo

Cargo capacity

500 t

Option 1

10 MBT plus 340 troops

Option 2

12 BTR plus 340 troops

Subsystems

57mm AK-725

2x2 57mm AK-725 on Project 775 (NATO: Ropucha I). One turret on the front superstructure and one on the stern.

A-215 Grad-M

2x40 122mm A-215 Grad-M artillery rocket systems for shore bombardment. Fitted on majority of ships in class, but not all. A total of 320 rockets carried, 160 in each below deck magazine.