A salvage tug is a specialized type of tugboat which is used to rescue ships which
are in distress or in danger of sinking. The salvage tug of project 733S (rescue
variant of standart Project 733 seagoing tug) are equipped with 2 fire monitors
and water pumps. Salvage tugs of this project served on all fleets of the USSR
and later - the Russian Federation. In total, 14 salvage tugs of this type were
built for the Navy in Leningrad.
Salvage tug SB-4 laid down at the Shipyard
No.370 Petrozavod, Leningrad, commissioned in 1959.
Now in service.
| Displacement (tons):|
nmi (11 knots), 6000 nmi (13 knots)|
1x1900 hp PG-150/60 electric motor, 1 fixed pitch propeller in rotating nozzle,
2x1000 kW 5D-50 diesel generators, 2x20 kW diesel generators |
equipment:|| 2x120 m3/h fire monitors, 1000 m3/h water pumps|