C909 aircraft is the first new short-medium range turbofan regional jet independently developed by China in accordance with international civil aviation regulations and owning independent intellectual property right. The baseline version of C909 aircraft has a layout of 78 to 97 seats and a range of 2,225 to 3,700 kilometers. C909 aircraft obtained the Type Certificate (TC) from Civil Aviation Administration of China (CAAC) on December 30th, 2014, and obtained the Production Certificate (PC) from CAAC on July 9th, 2017. At present, C909 aircraft has entered into route operation formally with good market operation and sales status.