4th Fighter Aviation Division

The 4th Fighter Aviation Division is a unit of the Chinese People's Liberation Army Air Force (PLAAF). Initially established in 1950, it served in Korea under Commander Fang Ziyi and Commissar Ye Songsheng, flying Mikoyan-Gurevich MiG-15s. It ended its third combat tour in July 1953.

It was soon redesignated the 1st Fighter Division. It was reestablished in 1956. It is headquartered at Liaoyang, Liaoning Province, in the Shenyang Military Region. The 4th Fighter Division is believed to be equipped with the Chengdu J-7E fighter aircraft. PLA-AF fighter divisions generally consist of about 17,000 personnel and 70-120 aircraft.

The 4th Fighter Division is composed of:
 * 10th Regiment
 * 11th Regiment (unconfirmed)
 * 12th Regiment