Air Crash Investigation, also known as "Mayday: Air Disasters". It's a Canadian production that airs in several countries. In the USA some episodes are shown in the block "Air Emergency". / Air Crash Investigation recreates the greatest air disasters of the history, and explains exactly what happened. To recreate the disasters, they use dramatic re-enactments of the cockpit, and basically, everything "inside the plane". It's also use an excellent quality 3D animation that recreates everything that happens "outside" the airplane. / Expert pilots and engineers explain what happened: the mistakes of the crew, the bad maintenance, etc...