This show is known as Air Disasters in the US and Mayday in Canada but is called Aircrash Investigation in Australia and parts of Europe. The Narrators however are different in the two different versions. You can find more information about the episodes on the IMDB Mayday page than you can here on the Air Disasters page.
Over the course of seven seasons, the show has featured accidents with a grand total of 9,704 passengers and crew; 6,243 fatalities (including hijackers but not including people who died on the ground as a result of an accident); and 3,461 survivors.
Air Distasters is also known as Air Emergency or Mayday or Mayday: Air Emergency and can be found listed on IMDB as Air Disasters or Air Emergency
Season 1 of the show featured accidents involving 1,193 passengers and crew; resulting in 407 fatalities and 786 survivors.
Season 2 of the show featured accidents involving 744 passengers and crew; resulting in 319 fatalities and 425 survivors.