flaw – n. a small weakness or problem

stall – v. to stop suddenly because of a problem

panic – n. a state or feeling of extreme fear that makes someone unable to act or think normally

checklist – n. a list of things to be done

credibility – n. the quality of being believed or accepted as true, real, or honest

aviation – n. the business of flying airplanes or helicopters

robust – adj. strong and healthy