

Host Mike Davidson helps make high-stakes repairs for one of the world's largest open-ocean fish farm operations in Panama.

In Grindavik, Iceland, crews repair earthquake fissures, build lava barriers and track magma, gases and ground movement while divers inspect a damaged harbor pier in a town shaped by ongoing eruptions.

Pilots fly over the dangerous Brooks Mountains, so engineers can fix a remote weather station; a veteran pilot tests a rookie on their bush plane landings; crews fight ice and wind to save a winter festival; engineers race to repair a 737.

A look at the fate of United Airlines Flight 232 which crashed into Sioux City's runway in 1989; it caused a subsequent explosion that left 111 people dead.

Three planes fall prey to deadly winds, and it is up to investigators to find out why.

A British Airways Flight's engines failure to respond cause the plane to crash-land just short of the runway.

Pilots leaving Cameroon steer their plane clear of a storm, but the aircraft begins rolling to the right, and they are unable to regain control.

In São Paulo, the Himalayas, and on the Norwegian coast, the toughest landings on earth pushed three flight crews.