ington . ▁O tag o ▁and ▁Well ington ▁are ▁the ▁names ▁of ▁fr ig ates ▁previously ▁operated ▁by ▁the ▁R N Z N . ▁These ▁ships ▁will ▁carry ▁the ▁honour ▁board ▁of ▁their ▁prede cess ors , ▁and ▁the ▁her itage ▁so ▁represented . ▁ ▁An ▁N Z DF ▁media ▁release ▁on ▁ 3 1 ▁March ▁ 2 0 0 6 ▁gave ▁p enn ant ▁numbers ▁for ▁O tag o ▁( P 1 4 8 ) ▁and ▁Well ington ▁( P 5 5 ). ▁O tag o ▁' s ▁p enn ant ▁number ▁rec alls ▁ ▁and ▁Well ing tons ▁p enn ant ▁number ▁rec alls ▁. ▁ ▁Character istics ▁ ▁E E Z ▁pat rol ▁and ▁response ▁ ▁Sea ▁boat ▁deployment ▁and ▁recovery ▁in ▁sea ▁state ▁ 4 ▁( se as ▁moder ate , ▁waves ▁ 1 . 2 5 ▁- ▁ 2 . 5 m ) ▁ ▁Hel ic opter ▁launch ▁and ▁recovery ▁in ▁sea ▁state ▁ 5 ▁( se as ▁rough , ▁waves ▁ 2 . 5 ▁- ▁ 4 m ) ▁ ▁Vert rep ▁in ▁sea ▁state ▁ 6 ▁( se as ▁very ▁rough , ▁waves ▁ 4 ▁- ▁ 6 m ) ▁ ▁Ab ility ▁to ▁pat rol ▁in ▁sea ▁state ▁ 6 ▁and ▁surv ive ▁in ▁sea ▁state ▁ 9 ▁( se as ▁phenomen al , ▁waves ▁over ▁ 1 4 m ) ▁ ▁Ice ▁strength ening ▁ ▁Str ength ened ▁to ▁provide ▁L loy ds ▁ice ▁class ▁ 1 C ▁protection ▁( th in ▁or ▁broken