Multipurpose tug-icebreaker class “O (ice)” with a power of 440 kW, project R47A

Ship type:

single-deck, twin-screw estuary icebreaker with a rocking installation, which has the necessary devices and equipment to operate as a pusher tug, rescue vessel, or firefighting vessel.

Purpose:

pushing and towing of ships with a voyage duration of up to 8 hours; carrying out raid work in river ports and in the waters of ship repair enterprises.

Class of the register:

“O (ice)”

Year of construction of the lead ship:

Main features

Vessel overall dimensions, m:
length	30
width	8,7
overall height from OP	10
Vessel displacement with full reserves, t	246
Mean draft at a displacement of 246 t, m	2,15
Traction force at speed 10 km/h, kN	32
Rate of sailing, km/h	15,5
Crew seats	3
Autonomy (days)	5
Main motor drives:
diesel	8ЧНСП (four-cycle; supercharged; with reversing clutch; with reduction gear) 18/22
number and power, kW	2х220

Purpose:
pushing and towing of ships with a voyage duration of up to 8 hours;
carrying out raid work in river ports and in the waters of ship repair enterprises;
destruction of the ice cover during the spring-autumn period of extended navigation;
extinguishing fires on ships and coastal facilities;
providing assistance to ships in distress.

Towing reel LBYASH 1,5-3/12 with traction force 14,7 kN;
automatic coupler – R100-6.

Additional materials