Singapore-based SilkAir (MI) is a wholly owned subsidiary of Singapore Airlines (SQ), operating as a full-service regional airline. Founded in 1975 as Tradewinds Charters, the airline operates from a hub at Singapore Changi Airport (SIN). It flies to more than 50 destinations across Asia Pacific, including points in Australia. SilkAir also has codeshare agreements with Bangkok Airways, Garuda Indonesia, Malaysia Airlines, Shenzhen Airlines, Virgin Australia and Vistara, as well as its parent company Singapore Airlines. The airline's fleet of 31 planes features both Business Class and Economy Class cabins.