The AVIC AG600 Kunlong is a large amphibious aircraft designed by AVIC and assembled by CAIGA. Powered by four WJ-6 turboprops, it is one of the largest flying boats with a 53.5 t MTOW. After five years of development, assembly started in August 2014, it was rolled out on 23 July 2016 and it made its first flight from Zhuhai Airport on 24 December 2017; it should be certified in 2021, with deliveries starting in 2022.