▁  – ▁planned ▁conversion ▁of ▁passenger ▁ship ▁from ▁German ▁ship yard ▁to ▁aircraft ▁car rier . ▁Can cel led ▁in ▁ 1 9 1 8 . ▁ ▁: ▁Graf ▁Ze ppel in ▁class ▁car rier . ▁La unch ed ▁but ▁not ▁completed . ▁Const ruction ▁work ▁stopped ▁in ▁ 1 9 4 3 . ▁ ▁Flug zeug tr äger ▁B : ▁ ▁Graf ▁Ze ppel in ▁class ▁car rier ▁cancel led ▁partly ▁constructed ▁in ▁ 1 9 3 9 . ▁ ▁: ▁conversion ▁of ▁part - built ▁Admir al ▁Hi pper ▁class ▁cru iser . ▁Work ▁stopped ▁in ▁ 1 9 4 3 ▁and ▁not ▁res umed . ▁ ▁: ▁conversion ▁of ▁the ▁transport ▁ship ▁ ▁cancel led ▁at ▁design ▁stage ▁in ▁November ▁ 1 9 4 2 ▁due ▁to ▁ins ur mount able ▁problems . ▁ ▁The ▁two ▁planned ▁Italian ▁carri ers ▁ ▁and ▁ ▁were ▁seized ▁by ▁the ▁Germ ans ▁after ▁the ▁Italian ▁Arm ist ice ▁but ▁not ▁completed . ▁ ▁India ▁Active : ▁: ▁ 4 5 , 4 0 0 ▁tons , ▁Mod ified ▁ ▁car rier ▁( ex - ), ▁in ▁service ▁with ▁India ▁since ▁ 2 0 1 3 . ▁ ▁Under ▁construction : ▁: ▁ 4 4 , 0 0 0 ▁ton ▁car rier . ▁It ▁has ▁been ▁built ▁at ▁C och in ▁Sh ip yard ▁and ▁has ▁been ▁launched , ▁and ▁is ▁expected ▁to ▁enter ▁service ▁in ▁ 2 0 2 1 . ▁ ▁Pl anned : ▁: ▁ 6 5 , 0 0 0