▁maintenance ▁and ▁support ▁services ▁to ▁the ▁Republic ▁of ▁Singapore ▁Air ▁Force ▁( RS AF ). ▁Since ▁then , ▁it ▁has ▁divers ified ▁into ▁various ▁M RO ▁capabilities ▁for ▁commercial ▁and ▁military ▁aircraft ▁through ▁a ▁number ▁of ▁strateg ic ▁partners hips , ▁ac quis itions ▁and ▁invest ments . ▁Major ▁undert ak ings ▁have ▁included ▁development ▁of ▁the ▁A - 4 SU ▁Super ▁Sky h awk , ▁a ▁highly ▁modified ▁model ▁of ▁the ▁Douglas ▁A - 4 S ▁Sky h awk , ▁and ▁the ▁Euro cop ter ▁EC 1 2 0 ▁Col ib ri ▁programme , ▁a ▁light weight ▁hel ic opter , ▁in ▁partners hip ▁with ▁Air bus ▁Hel ic op ters ▁and ▁China ▁National ▁A ero - Te chn ology ▁Import ▁& ▁Ex port ▁Corporation ▁( CAT IC ). ▁ ▁Pres ently , ▁ST ▁A eros pace ▁reported ly ▁emp lo ys ▁in ▁excess ▁of ▁ 8 , 0 0 0 ▁cert ified ▁engine ers ▁and ▁administrative ▁special ists ▁around ▁the ▁world ▁and ▁has ▁a ▁global ▁customer ▁base ▁that ▁includes ▁military ▁forces , ▁major ▁air lines ▁and ▁fre ight ▁carri ers . ▁A viation ▁Week ▁ranked ▁the ▁a eros pace ▁company ▁as ▁the ▁world ' s ▁largest , ▁independent , ▁third ▁party ▁air frame ▁M RO ▁provider ▁with ▁an ▁annual ▁capacity ▁of ▁more ▁than ▁ 1 1 . 5 ▁million ▁commercial ▁air frame ▁man - h ours ▁in ▁ 2 0 1 2 . ▁ ▁Project s ▁During ▁the ▁ 1 9 8 0 s , ▁ST ▁A eros pace ▁comm enced