LR7

The LR-7 being retrieved by Changdao during RIMPAC 2016.
Class overview
Builders	Forum Energy Technologies (FET) [2]
Operators	People's Liberation Army Navy
Preceded by	35-ton deep-submergence rescue vehicle
In service	2009 - present[1]
History
People's Republic of China
Name	LR7
In service	2009[1]
Status	Active
General characteristics
Type	Deep-submergence rescue vehicle
Displacement	38 tons (full)[3]
Length	9.6 metres (31 ft)[1]
Beam	3.2 metres (10 ft)[1]
Draught	3.4 metres (11 ft)[1]
Installed power	Lead-acid batteries[1]
Propulsion	2 x electric motors (26.8 horsepower (20.0 kW))[1] 4 x tilting side thrusters (16 horsepower (12 kW))[1]
Speed	3 knots (5.6 km/h; 3.5 mph)[1]
Capacity	18 survivors[1]
Crew	3[1]

The LR7 is a deep-submergence rescue vehicle (DSRV) of the People's Republic of China's People's Liberation Army Navy (PLAN). It was built by Perry Slingsby of Britain and is a development of the LR5 DSRV. The LR7 entered service in 2009.^[1]