SiamJet Airlines (Bangkok Suvarnabhumi) is a new Thai start-up looking to use an ex-R Airlines (RCT, Bangkok Don Mueang) B737-400, msn 25313, on flights between Bangkok Don Mueang, Chiang Rai, Phuket, and Chengdu Shuangliu in China. Once operational, the carrier intends to open up more flights to mainland China, Macau, and Singapore.