Development of the Y-9 may have begun as early as 2002 as the
Y-8X program. The program was a collaborative effort with
Antonov – the designers of the
An-12 that it was ultimately derived from – and was aimed at competing with the
Lockheed Martin C-130J Super Hercules. By September 2005, the Y-9 designation was being used. The Y-9 received design features originally intended for the Y-8F600, The aircraft finally flew in November 2010. The Y-9 entered
People's Liberation Army Air Force (PLAAF) service in 2012, ==Design==