What happened
During a mission involving low-level penetration maneuvers, a Neptune aircraft was operating within the airspace of the Shandong province in China. While performing at a low altitude, the aircraft was struck by an SA-2 Guideline missile. The impact caused the plane to become uncontrollable, leading to a crash into a prairie area.
There were no survivors of the accident. The crash resulted in 14 fatalities among the occupants on board.
Findings
Official investigations concluded that the destruction of the aircraft was the direct result of being shot down by surface-to-air missile fire.