▁a ▁British ▁ ▁that ▁served ▁in ▁World ▁War ▁II . ▁She ▁was ▁paid ▁off ▁and ▁sold ▁to ▁the ▁Royal ▁Norwegian ▁Navy ▁in ▁ 1 9 4 6 . ▁ ▁History ▁ ▁Royal ▁Navy ▁ ▁Second ▁World ▁War ▁ ▁HMS ▁Black pool ▁was ▁ordered ▁on ▁ 6 ▁July ▁ 1 9 3 9 ▁from ▁Har land ▁and ▁Wol ff , ▁and ▁laid ▁down ▁at ▁G ovan ▁ship yard , ▁Glasgow ▁on ▁ 1 9 ▁September ▁ 1 9 3 9 . ▁She ▁was ▁launched ▁on ▁ 4 ▁July ▁ 1 9 4 0 ▁and ▁commission ed ▁on ▁ 3 ▁February ▁ 1 9 4 1 . ▁She ▁was ▁named ▁after ▁the ▁English ▁coast al ▁town ▁Black pool , ▁and ▁was ▁the ▁first ▁vessel ▁to ▁carry ▁that ▁name . ▁ ▁Following ▁her ▁work - up , ▁she ▁served ▁on ▁esc ort ▁and ▁mines we eping ▁duties ▁in ▁the ▁English ▁Channel ▁for ▁most ▁of ▁the ▁war . ▁ ▁Post ▁war ▁duties ▁ ▁Black pool ▁continued ▁mine ▁clear ing ▁duties ▁near ▁P ly mouth ▁until ▁July ▁ 1 9 4 6 , ▁when ▁she ▁was ▁paid ▁off ▁to ▁reserve ▁status , ▁and ▁sold ▁to ▁the ▁Royal ▁Norwegian ▁Navy ▁later ▁that ▁year . ▁ ▁Royal ▁Norwegian ▁Navy ▁ ▁Black pool ▁was ▁purchased ▁and ▁renamed ▁T arna ▁by ▁the ▁Royal ▁Norwegian ▁Navy , ▁and ▁remained ▁on ▁the ▁active ▁register ▁of ▁ships ▁until ▁being ▁struck ▁in ▁May ▁ 1 9 6 1 . ▁ ▁References ▁▁ ▁Category : 1 9 4 0 ▁ships ▁Category : B ang or - class