Air Crash Investigation - Season 9 (2010)

The 1991 collision of two planes mistakenly sharing one runway raises concerns about over-crowded airports and overburdened traffic controllers.

In 1983, Korean Air Lines Flight 007 accidentally enters the Soviet airspace on a flight from the United States to South Korea. The Soviet interceptors shoot down the passenger jet.

See how icy conditions, a communication breakdown, and an airline's focus on the bottom line led to disaster - twice.

A 1992 crash in France's Vosges Mountains is examined, detailing the difficulties in finding the downed plane and then finding reasons for the accident.

A Grumman Mallard seaplane operated by Chalk's Ocean Arways (Flight 101) crashes into the sea shortly after takeoff, becoming the first fatal accident of the operator's 90 years in service.