Naval Systems

Project 1171 Tapir / Alligator-class large landing ship

The Project 1171 Tapir / Alligator-class large landing ship is a Soviet-designed beachable amphibious warfare vessel built by Yantar Shipyard in Kaliningrad. It was created to move troops, tanks, vehicles, and cargo directly onto shore, and the class entered service in 1965 with 14 of 15 planned ships completed.

Profile

Origin
Soviet Union
Built by
Yantar Shipyard
Type
Large landing ship / landing ship tank
Service note
1965-present
Designer
Soviet Navy
Designed
1959-1964
Produced
1964-1975
Number built
14 completed of 15 planned
Variants
Project 1171/II, Project 1171/III, Project 1171/IV

Also Known As

  • Project 1171
  • Project 1171 Tapir
  • Project 1171 Tapir class
  • Tapir-class landing ship
  • Alligator-class landing ship
  • Alligator class
  • Project 1171 / Alligator-class
  • BDK
NATOnavalamphibious assaulttransportlogistics

Specifications

Crew
55
Length
113.1 m
Beam
15.6 m
Draft
3.66 m
Full load displacement
4,946 t
Speed
17.3 knots maximum
Range
6,300 nmi at 17 knots
Propulsion
2 diesel engines, 2 shafts, fixed-pitch propellers
Capacity
300-425 troops and 20 tanks, or 40 AFVs, or 1,000 tons

Service And Conflict Use

Service History

In service
Entered Soviet Navy service in 1965; the class remained in Russian Navy service after the Soviet collapse.
Used by
Soviet Navy, Russian Navy, Ukrainian Navy
Wars
Russia-Ukraine War

Conflict Usage

Side
🏳️Unspecified

A Project 1171/Alligator-class landing ship at Berdyansk was sunk after a Ukrainian strike in March 2022; early reporting named Orsk, while later analyses and ship lists identify the sunken vessel as Saratov.

Timeline

Project 1171 Tapir / Alligator-class large landing ship Key Events

  1. Production begins at Yantar Shipyard

    Reference sources place Project 1171 production between 1964 and 1975 at Yantar Shipyard in Kaliningrad.

    Sources: Project 1171 Tapir class, Project 1171 - Large landing ships

  2. Class enters service

    WeaponSystems.net lists the Project 1171 Tapir class as entering service in 1965 as a Soviet landing ship tank.

    Sources: Project 1171 Tapir class

  3. Berdyansk sinking confirmed from satellite imagery

    USNI News reported that satellite imagery confirmed an Alligator-class landing ship had sunk at the pier in Berdyansk after the 24 March attack.

    Sources: Satellite Images Confirm Russian Navy Landing Ship Was Sunk at Berdyansk

Project 1171 Tapir / Alligator-class large landing ship Images

Related Weapon Systems

Sources