| 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
| Beam o.a. | 8.74 m |
| Depth | 4.20 m |
| Draft | 3.78 m |
| Gross Tonnage | 236 T |
| Deadweight | 71 T |
| Displacement | 614 T |
| Length o.a. | 28.60 m |
Performance
| Speed | 13 Knots |
| Bollard Pull | 30 Tbp. |
Propulsion System
| Main Engine | 2 x SWD, type 6FH240 |
| Propulsion | Twin Screw Kamewa Pitch Propellors |
| Power | 1780 bkW / 2400 Hp |
Tank Capacity
| Fuel | 127.500 Ltr. |
| Fresh water | 22.000 Ltr. |
| Lubrication Oil | 4.200 Ltr. |
| Sludge | 3.600 Ltr. |
Deck Equipment
| Tow Winch Aft | Single Drum, 100T |
| Tow Wires Aft | 1 x 700m, Ø44mm |
| Towing Hook Aft | Yes |
| FiFi | Yes |
Auxiliray Equipment
| Main Generator Sets | 2 x Caterpillar C4.4 |
Accomodation
| Berths | 6 4 x single cabin, 1x double cabin |
Polen
General Arrangement