Rex Omar,
<<In reality all of the water crashes recently have amounted to total destruction of the aircraft with complete loss of life.>>
This is quite wrong. As long as speed is low and wings level, structural integrity can be maintained very well. There is a long list of aircraft that have survived ditching very well, and even flown again. I believe the JAL DC-8 that ditched in Tokyo Bay even flew again. B707 in Africa, others .....