$SIA (C6L.SG)$ For those who don't wish to put so much money...

$SIA(C6L.SG)$ For those who don't wish to put so much money into SIA, can consider SIA engineering. much cheaper but will fly together with SIA. Remember aeroplane will need full maintenance before allowed to fly. And once air space open, SIA Engineering will be in full gear for all different airlines