Sichuan Airlines orders 20 COMAC C919s TOPICS:airlinesC919Sichuan Posted By: Marcel van Leeuwen October 21, 2011 Sichuan Airlines orders 20 COMAC C919’s. The deal increases the backlog for the single-aisle plane to 165, Shanghai-based Comac. The planemaker announced an order for 45 C919s from Industrial & Commercial Bank of China Ltd.’s leasing arm on Oct. 19.