From turboprops to third force: Rexâs âbold moveâ to shake up Australian aviation Weâre sorry, this service is currently unavailable. Please try again later. Dismiss From turboprops to third force: Rexâs âbold moveâ to shake up Australian aviation Save Normal text size Advertisement From an office in Singapore, Lim Kim Hai has waited out the COVID-19 pandemic orchestrating the biggest shake-up of Australiaâs aviation industry in at least two decades. Country airline Regional Express (Rex) launching flights between capital cities may spell an end to the Qantas-Virgin duopoly, but it seemed impossible to Lim as recently as February this year.