On what basis are you saying that then? Do you know the stable criteria for each airline and aircraft? What parameters are unstable? They all look well handled to me.
This really scares me! Well handled? Drifting well of the centerline and landing with quite a hefty amount of drift, and it is well handled? Come on.
What parameters are unstable?
Gee, I have to agree with billabong. Your standards are pretty wanting!