Originally Posted by warrenpenalver

The ejector seat idea might be possible to install on a ripple firing basis similar to some military bombers, and the altitude oxygen issues is simple, dont eject till low enough to survive. The big problem with the ejection idea is again the training side of things, not to mention that ejection seats are very very heavy pieces of kit and to fit say a 747 that on average holds 400 people with such seats would mean it would never be able to take off, let alone designing in the necessary structural weakpoints and explosive charges to blast off the roof, yet adding additional strengthening to ensure you dont get fatigue failures around the jetison roof!!!!