▁state ▁that ▁the ▁K ast uri ▁class ▁prior ▁to ▁the ▁S LE P ▁had ▁been ▁equ ipped ▁with ▁the ▁Ex oc et ▁MM 3 8 , ▁an ▁old ▁variant ▁of ▁the ▁miss ile , ▁and ▁that ▁the ▁modern isation ▁included ▁an ▁upgrade ▁to ▁the ▁newer ▁and ▁more ▁capable ▁Ex oc et ▁MM 4 0 ▁Block ▁II ▁variant . ▁Other ▁sources ▁state ▁that ▁the ▁ships ▁had ▁been ▁equ ipped ▁with ▁MM 4 0 ▁Block ▁II ▁miss iles ▁straight ▁from ▁the ▁beginning . ▁ ▁Prop ulsion ▁The ▁K ast uri ▁class ▁is ▁power ed ▁by ▁a ▁CO D AD ▁prop ulsion ▁system , ▁provided ▁by ▁four ▁M T U ▁dies els ▁driving ▁two ▁sh aft s ▁and ▁developing ▁ ▁driving ▁two ▁cont roll able ▁pitch ▁prop ellers . ▁This ▁gives ▁a ▁maximum ▁speed ▁of ▁, ▁and ▁a ▁range ▁of ▁ ▁at ▁. ▁ ▁A ircraft ▁The ▁K ast uri ▁class ▁has ▁a ▁hel ide ck ▁a ft ▁suitable ▁for ▁the ▁Malays ian ▁Navy ' s ▁Super ▁Lyn x ▁ 3 0 0 ▁and ▁F enne c ▁hel ic op ters . ▁L ack ing ▁a ▁hang ar , ▁it ▁does ▁not ▁carry ▁an ▁emb ark ed ▁hel ic opter . ▁According ▁to ▁support ▁future ▁mission ▁it ▁will ▁be ▁fitted ▁with ▁hand - launch ed ▁U AV ▁system ▁as ▁Sch ie bel ▁has ▁been ▁selected . ▁ ▁Service ▁Life ▁Ext ension ▁Program me ▁( S LE P ) ▁In ▁August ▁ 2 0 0 9 , ▁a ▁Service ▁Life ▁Ext ension ▁Program me ▁( S LE