Chinese planemaker COMAC has rebranded its ARJ21 regional jet as the C909, aligning the plane with the state-owned firm's naming convention for its other models as it seeks to present itself as an alternative to dominant Western planemakers. The rebrand, which was unveiled at China's biggest air show in Zhuhai on Tuesday, features C909 painted in white on a blue tail. "After careful consideration, a long gestation and asking opinions of many involved parties, we chose to use C909 as a new commercial name to build the brand," Zhang Xiaoguang, COMAC's marketing director, told reporters.