For military planes like big bombers, there were systems tested to separate the whole cockpit/crew section in case of an emergency and let it come down on multiple chutes. Rockwell tried this on the B1 bomber but had trouble.Shit,If that's all it takes is 4 the parachute to B Big Enuff? They should ALL Hv the Fucking Things!!!
SP
In the end, ejection seats were cheaper and more reliable.