the Charkhi Dadri mid-air collision.the plane collision that killed all 349 people,

Two planes crashed into each other in the air, which for the vast sky, the odds can be said to be one in a billion, much smaller than the odds of winning $5 million in a lottery ticket, but the fact is that it happened. International Airport, killing at least 349 people.
Charkhi_Dadri_mid-air_collision - the third worst air disaster in aviation history