Charter business flights started at Yongxing airport in Sansha City, Hainan Province, on Thursday.
A passenger plane took off at Meilan Airport in Haikou, the provincial capital, and landed at the airport on Yongxing Island, one of the Xisha islands and the city's administrative base, at 10:20 a.m. Thursday.
The plane is scheduled to fly back to Haikou Thursday afternoon.
Starting Thursday, Yongxing airport will have a daily return charter business flight from Haikou to improve the work and living conditions of the city's public servants and stationed soldiers.
The expansion of Yongxing airport was completed in May. It obtained a certificate for civilian use in December and now serves both military and civilian purposes.
Sansha City was officially established in 2012 to administer the Xisha, Zhongsha and Nansha islands, and their surrounding waters in the South China Sea.