 Over the Type UB Is ' first year of service , UB @-@ 4 and UB @-@ 13 were both lost , and UB @-@ 2 and UB @-@ 5 were transferred to the Baltic Flotilla . In March 1917 , UB @-@ 6 ran aground in Dutch waters and was interned for the rest of the war , along with her crew . The four remaining Type UB Is in Flanders — UB @-@ 10 , UB @-@ 12 , UB @-@ 16 , UB @-@ 17 — were all converted to minelayers by 1918 , having their torpedo tubes removed and replaced with chutes to carry up to eight mines . All but UB @-@ 10 were lost in 1918 ; UB @-@ 10 , in poor repair and out of service , was scuttled in October 1918 when the Germans evacuated from Flanders . 
 Over the Type UB <a href='drop_aux' title='1'><mark>Is</mark></a>' first year of service , UB @-@ 4 and UB @-@ 13 <a href='uninflect' title='2'><mark>were</mark></a> both lost , and UB @-@ 2 and UB @-@ 5 <a href='uninflect' title='3'><mark>were</mark></a> transferred to the Baltic Flotilla . In March 1917 , UB @-@ 6 ran aground in Dutch waters and was interned for the rest of the war , along with her crew . The four remaining Type UB Is in Flanders — UB @-@ 10 , UB @-@ 12 , UB @-@ 16 , UB @-@ 17 — <a href='uninflect' title='4'><mark>were</mark></a> all converted to minelayers by 1918 , having their torpedo tubes removed and replaced with chutes to carry up to eight mines . All but UB @-@ 10 <a href='uninflect' title='5'><mark>were</mark></a> lost in 1918 ; UB @-@ 10 , in poor repair and out of service , was scuttled in October 1918 when the Germans evacuated from Flanders . 
Over da Type UB ' first year of service , UB @-@ 4 and UB @-@ 13 was both lost , and UB @-@ 2 and UB @-@ 5 was transferred to tdaBaltic Flotilla . In March 1917 , UB @-@ 6 ran aground in Dutch waters and was interned for the rest of thdaar , along wid her crew . The 4 remaining Type UB Is in Flanders — UB @-@ 10 , UB @-@ 12 , UB @-@ 16 , UB @-@ 17 — was all converted to minelayers by 1918 , having their torpedo tubes removed and replaced with chutes to carry up to eight mines . All but UB @-@ 10 was lost in 1918 ; UB @-@ 10 , in poor repair and outt of service , was scuttled in October 1918 when thedarmans evacuated from Flanders .