▁ 1 9 9 8 . ▁She ▁was ▁the ▁new est ▁and ▁techn ically ▁most ▁advanced ▁state - owned ▁ice bre aker ▁of ▁Finland ▁until ▁ 2 0 1 2 , ▁when ▁she ▁was ▁sold ▁to ▁the ▁Port ▁of ▁T all inn ▁for ▁ 5 0 ▁million ▁euro . ▁Bot nica ▁is ▁used ▁as ▁an ▁esc ort ▁ice bre aker ▁in ▁the ▁Balt ic ▁Sea ▁during ▁the ▁winter ▁months , ▁but ▁car ries ▁out ▁sub se a ▁and ▁off sh ore ▁construction ▁works ▁world wide ▁during ▁the ▁open ▁water ▁season . ▁ ▁Design ▁ ▁General ▁characteristics ▁▁ ▁The ▁maximum ▁overall ▁length ▁of ▁Bot nica ▁is ▁ ▁and ▁her ▁length ▁between ▁per pend icular s ▁is ▁. ▁The ▁h ull ▁has ▁a ▁m ould ed ▁bread th ▁of ▁ ▁and ▁depth ▁of ▁. ▁The ▁dra ug ht ▁is ▁ ▁when ▁the ▁ship ▁is ▁acting ▁as ▁an ▁ice bre aker ▁and ▁ ▁in ▁off sh ore ▁supply ▁operations . ▁The ▁gross ▁t onn age ▁of ▁Bot nica ▁is ▁ 6 , 3 7 0 , ▁net ▁t onn age ▁ 1 , 9 1 1 ▁and ▁dead weight ▁t onn age ▁ 2 , 8 9 0 ▁tons . ▁The ▁light ▁disp lacement ▁of ▁Bot nica , ▁i . e . ▁the ▁weight ▁of ▁the ▁ship ▁without ▁consum ables , ▁cargo ▁and ▁crew , ▁is ▁ 5 , 8 8 0 ▁tons . ▁Her ▁loaded ▁disp lacement ▁var ies ▁according ▁to ▁the ▁loading ▁condition . ▁ ▁Bot nica ▁is ▁class ified ▁by ▁Det ▁N ors