November 5, 1992 (, Ren Shen on October 11), Henan promotional aircraft gone and 33 people were killed.

sales with prizes prizes in the end whether the operator lawful competition, has not been conclusive, but really sudden tragedy. November 5, 1992 two promotional aircraft in Henan original Yangcheng low altitude flight, suddenly hit the Yellow Building on top of iron pillars, aircraft attached ruined, 33 people were killed, 46 of them seriously.