Two flights, a DC-7 and a Lockheed Super Constellation, depart out of LAX and are on their way to Chicago and Kansas City. Find out how weather, ATC, and timing caused these two airplanes to collide over the Grand Canyon.

A USAir DC-9 is on its way to Charlotte, North Carolina when it crashes miles from the airport. Find out how this flight crashes due to weather in the final part in our weather phenomena series.

A Lockheed L-1011 Tristar is on its way to Los Angeles when disaster hits in Dallas. Find out how Delta Airlines flight 191 crashed just short of the runway at the Dallas Fort Worth International Airport.

A Pan American Boeing 727 is on its first leg of a three leg flight from Miami to San Diego. Find out how weather caused this flight to crash into a neighborhood in New Orleans.

An Eastern Airlines Boeing 727 crashes into landing lights at JFK International Airport. How did weather cause this flight's landing to go so wrong?

An Air France A330 goes down in the Atlantic Ocean on its way to Paris. Find out how disorientation and equipment caused this plane to crash.

A Bombardier Dash 8 Q400 crashes at the Kathmandu Airport in Nepal. Find out how a huge break down in crew resource management caused this flight to crash.

A United Airlines Douglas DC-6B is on its way from New York to Seattle with stop overs in Chicago, Denver, and Portland. Find out how this plane exploded over Longmont, Colorado.

A CRJ-100 tries to take off out of Bluegrass Airport in Lexington, Kentucky. Find out how this plane took off and how that caused it to crash right off the end of the runway.

A Boeing 777-200 crashes on landing at the San Francisco International Airport. Find out how the crew caused this plane to cartwheel on the runway.