| | Seagoing tugs
Type
Rock (Type MB-51)NATO:
--- Class
Completed 3
units
Ships Midland Shipyards,
Midland, Canada
| Name |
Yard ¹ |
Laid Down |
Launched |
Commissioned |
Note |
| MB-57 |
¹25 | - |
- | 04.1946 | since 16.05.1949 - MB-27, since 21.07.1965 - OT-31 | |
MB-56 | ¹26 |
- | - |
04.1946 | since 16.05.1949
- MB-21, since 16.06.1958 - RB-235 | |
MB-55 | ¹27 |
- | - |
06.1946 | since 16.05.1949
- MB-22, since 16.06.1958 - RB-236 |
Former civil Canadian
tugs: MB-55 (till 1946 Rock Crystal), MB-56 (till 1946 Rock Trash), MB-57 (till
1946 Rock Hawk)
Reclassified into a harbor tugs
General characteristics - Type Rock (Type MB-51)
| Displacement (tons): | | Standard: | - |
| Full load: | - |
| Dimensions (m): | | Length: | 32 |
| Beam: | 9,14 |
| Draft: | 3,79 | | Speed
(knots): | 14 | | Range: | - |
| Autonomy (days): | - |
| Propulsion: | 1x1000 hp steam
machine, 1 fixed pitch propeller | | Capacity
(tons): | - | | Complement: | - |
Schematics ---
Modernizations Bon-heater: OT-31 (MB-57) 23.06.1965
Fleets Baltic Fleet: MB-55 (since 1949 Pacific Fleet),
56 (since 1949 Pacific Fleet), 57 (then Pacific Fleet)
Hull Numbers ---
Decommissioned 1962
– MB-56 (4.01)
1972 – MB-57 (6.08)
1975 – MB-55 (10.05)
Export --- | |
