▁In ▁order ▁to ▁address ▁the ▁short com ings ▁of ▁the ▁R N Z AF ' s ▁Sky h awk ▁fleet , ▁the ▁New ▁Zealand ▁Government ▁approved ▁the ▁Project ▁K ahu ▁program ▁in ▁May ▁ 1 9 8 5 . ▁This ▁project ▁had ▁a ▁total ▁cost ▁of ▁N Z $ 1 4 0 ▁million , ▁and ▁primarily ▁involved ▁upgrad ing ▁the ▁A - 4 G ▁and ▁A - 4 K s ' ▁av ion ics ▁to ▁almost ▁the ▁standard ▁of ▁those ▁fitted ▁to ▁the ▁modern ▁General ▁Dynam ics ▁F - 1 6 C ▁Fight ing ▁Fal con . ▁The ▁Sky h aw ks ▁also ▁received ▁new ▁wings ▁drawn ▁from ▁the ▁stock ▁of ▁spare ▁parts ▁purchased ▁from ▁the ▁R AN ▁in ▁ 1 9 8 4 . ▁Work ▁began ▁on ▁the ▁first ▁aircraft ▁in ▁ 1 9 8 6 , ▁and ▁the ▁program ▁was ▁completed ▁in ▁ 1 9 9 1 . ▁After ▁receiving ▁the ▁K ahu ▁upgrade ▁package ▁the ▁A - 4 G s ▁were ▁re - design ated ▁A - 4 K s . ▁ ▁From ▁ 1 9 9 0 ▁until ▁ 2 0 0 1 , ▁No . ▁ 2 ▁Squadron ▁was ▁station ed ▁at ▁H MA S ▁Al bat ross , ▁where ▁it ▁operated ▁four ▁A - 4 K s ▁and ▁two ▁T A - 4 K s ▁and ▁trained ▁alongside ▁the ▁Australian ▁Def ence ▁Force ; ▁several ▁former ▁Australian ▁aircraft ▁were ▁among ▁those ▁serving ▁with ▁No . ▁ 2 ▁Squadron ▁during ▁this ▁period . ▁The ▁R N Z AF