Upon hearing this, Helian Ding personally tried to intercept Qifu Mumo, who was forced to stop at Nan'an (南安, in modern Longxi, Gansu), with his territory having otherwise all fallen to Tuyuhun.
On September 6, 1989, Jiang Wenhao, the 23-year old PLAAF lieutenant of the 2nd wing of the 145th regiment of the 49th division flew a Shenyang J-6 numbered 40307 from Longxi (龙溪) airport, Zhangzhou, Fujian to Shangyi (尚义) airport in Kinmen.
He was born in Taipei, Taiwan, and spent his adolescent years in the city of Zhangzhou, Fujian, where he attended the Longxi middle and high schools.