NOK Grünental -02.07.06/ IMO number: 6519302 / Call Sign: SPG2521/ Gross tonnage: 171/Type of ship: Tug/ Year of build: 1966/Flag: Poland/ Status of ship: In Service/Registered owner: STEPNIEWSKI J./ Address: 62/4, ul. Legionowa, Gdynia POLAND/ Ship manager: STEPNIEWSKI J.