100% BAT for every crew on every flight
What a wonderful idea! Why not add a simulator check too? Or is poor proficiency, perhaps due to lack of rest a more acceptable reason to crash? While we're at it we might as well give polygraph tests for malicious intent and strip searches for contraband just for good measure.(oh we sorta do already, my bad) After all you can never be too safe!
We just keep moving closer and closer to those dystopian sci-fi novels I grew up with.