

In 1985, a DC-9 airliner crashes seconds after takeoff from Milwaukee.

A C-130 firebomber crashes while battling an epic Australian wildfire; ATSB investigators must determine the cause within an active fire zone.

Two planes collide in the sky above southern Germany and numerous people on the ground witness the disaster; based on the wreckage, it is clear that the planes collided in the air; the researchers encounter a mystery.

Just after takeoff from Honolulu, TransAir Flight 810 loses power and ditches in the Pacific; both pilots survive, blaming dual engine failure-but when the Boeing 737 is recovered, the wreckage reveals a different cause.

On Dec. 22, 1996, Airborne Express Flight 827 crashes into mountainous terrain near Narrows, Va., during a functional evaluation flight, killing all six occupants; the investigation finds that the pilots made improper flight control inputs.

When a turboprop loses engine power and crashes in Papua New Guinea, investigators discover a fatal defect existing in Dash 8s around the world.

When an Airbus crashes into the Mediterranean Sea, Egyptian authorities, French investigators and an Italian journalist theorize different causes for the accident.

An investigation into Continental Airlines Flight 1713, which crashed on takeoff from Denver during a snowstorm in 1987, changes commercial flight forever.