Icebreaking tug class “KM Arc4 [I] R2-RSN (4,5) AUT2 TUG” with an azimuthal propulsion principle, project 3812

Ship type:

flush-deck single-hull vessel with a single-tier superstructure, a wheelhouse on the second tier, bow anchor-mooring-towing and stern towing automatic winches, an open platform on the poop deck, with two full-turn rudder propellers.

Purpose:

icebreaking operations in areas permitted for navigation in accordance with the class of the vessel; provision of dredging works

Class of the register:

КМ Arc 4 [ I ] R2- RSN (4,5 ) AUT2 TUG

Year of construction of the lead ship:

Main features

Length overall, m	40,2
Length according to design waterline, m	38,0
Breadth overall, m	12,6
Depth, m	11,8
Draft according to design waterline, m	3,8
Amidships height, m	5,8
Autonomy (days)	5
Carrying capacity, t	25
Speed, kt (to be specified during design)	11
Ballard pull, kN	400
Crew, people	8
Main powerplant
Number and power of diesel engine, kW	2x1800

Purpose:
icebreaking operations in areas permitted for navigation in accordance with the class of the vessel;
provision of dredging works;
providing engineering-geological and hydrographic research in ice conditions;
emergency rescue duty in ice conditions.

The vessel is equipped with two US255P30FP type rudder propellers from Rolls-Royce, which are located in the stern and provide both the propulsion and maneuverability of the vessel.

For crew accommodation the following is provided:
on the main deck there are two single cabins with individual bathrooms;
in the hull of the vessel there are three double cabins with bunks and 1 spare single cabin.

Additional materials