| Name | Polen |
| Port of Registry | Rotterdam, the Netherlands |
| Flag | Dutch |
| Vessel Type | Twin Screw Tug |
| Year of Build | 1986 |
| Class | Bureau Veritas |
| Bollard Pull | 30 Tbp |
| Owner | EMAR Offshore Services b.v., as Managers of Black Star Shipping |
Main Dimensions
| Length overall | 28,60 m |
| Beam overall | 8,74 m |
| Depth at sides | 4,20 m |
| Draught aft | 3,78 m |
| Displacement | 614 T |
| Gross tonnage | 236 T |
Capacities
| Fuel oil | 127,5 m³ |
| Fresh water | 22 m³ |
| Lubrication Oil | 4,2 m³ |
| Hydraulic oil | 1,4 m³ |
| Dirty oil | 3,6 m³ |
| Ballast | 16 m³ |
| Sewage | 2,80 m³ |
| Foam | 7 m³ |
Performance
| Speed | 13 Knots |
| Bollard Pull | 30 Tbp |
Propulsion System
| Main Engine | 2 x SWD, type 6FH240 |
| Total Power | 1780 bkW (2400 Hp) |
Accommodation
| Accomodation | 6 persons, consisting of four single crew cabins and one double crew cabin |
Auxiliary Equipment
| Main Generator Sets | 2 x Caterpillar C4.4 |
| Fuel oil seperator | 3 m³/hr |
Deck Equipment
| Tow Winch Aft | Single Drum, 100T |
| Tow Wires Aft | 1 x 700m, Ø44mm |
| Towing Hook Aft | Yes |
Communication
| Magnetic compass | Alphacourse |
| Radar | Furuno FAR 2117 |
| GPS | Furuno GP-150 |
| AIS | Furuno FA-150 |
| VHF Radio telephone | 2x Sailor DSC RT5022 / 2x VHF 6210 |
Polen
General Arrangement