Yes it's the human element that makes it a faith act. I have no doubts about the physics. The airplane must fly, it's not a matter of faith. But was it built pr

Yes it's the human element that makes it a faith act. I have no doubts about the physics. The airplane must fly, it's not a matter of faith. But was it built properly, by qualified workers, has it been maintained properly with no shortcuts taken, are there any design flaws not yet discovered, and is it being operated by qualified, sober, healthy pilots?