

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

When an airbus A330 loses both engines, its pilots must think of a solution before they crash into the South China Sea.

After a seemingly routine landing, a Boeing 737 erupts in flames, putting 165 debarking passengers and crew in jeopardy.

Mike Davidson embarks with the team to one of the most extreme, avalanche-prone ski mountains in the world: Snowbird; they battle to keep the steep and deep slopes safe with shovels, snowcats and even a WWII Howitzer.

Mike pushes himself to the limit to work with an elite team of high ropes techs on fixes hundreds of feet in the air; starting 45 stories up on the side of a skyscraper, then working and dangling on the edge.

In Philadelphia, Mike is on streets, in tunnels, on tracks and in trolley restoration garages; he is working shoulder-to-shoulder with the team that keeps one of America's largest and oldest mass transit systems running smoothly and on time.

With wildfire season ahead, Mike works with an aerial firefighting company as they fix and convert aircraft into firefighting machines, including the transformation of a 1960's C130 plane from aged military aircraft into a stateofthe art waterbomber.

At ITER in southern France, teams move massive reactor components, repair a leaking cryostat and test giant robotic arms as they build the world's largest fusion experiment with extraordinary precision.