The first crash -- After a crash -- Emergency in the Empire State, 1945 -- Collision over the Grand Canyon, 1956 -- Munich, 1958 -- Collision at Tenerife, 1977 -- Tenerife : the aftermath -- Plunge into the Potomac, 1982 -- Potomac : emergency response -- Day of terror, 2001 -- Day of terror : the consequences -- Mystery of flight 447, 2009 -- Learning from the past.