***Link*** :: [Pyramid of Airworthiness](https://www.reddit.com/r/flying/comments/t252os/interesting_way_to_think_about_airworthiness/) ***Description*** :: `= this.link` ***Author*** :: [u/EyeFlyMD](https://www.reddit.com/user/EyeFlyMD/) #### Key Quotes * My DPE told me to "think of airworthiness like a pyramid" on my CFI checkride so I made this to teach students. I think it's a pretty interesting concept. * It's also based on the now canceled [[AC 91-67]]. #source