Stress is eventually going to cause wear and then failure to lots of parts, especially ones on the outermost layer of the plane. That’s why they’re over-engineered. Does there need to be 4 layers of cockpit windshield? Probably not, but humans make mistakes and we’re lucky to have those extra layers so we can turn around and land safely.
Stress is eventually going to cause wear and then failure to lots of parts, especially ones on the outermost layer of the plane. That’s why they’re over-engineered. Does there need to be 4 layers of cockpit windshield? Probably not, but humans make mistakes and we’re lucky to have those extra layers so we can turn around and land safely.