oxygen but it's like after a while, when you have been flying and you sort of relax on the rules you're only accountable to yourself for that time, then anything could happen. >> getting any word that -- whether there's a consistent training for pilots across the globe or whether it's looser some regions than other regions psychological 'tises are different in one area than in another area. >> well, it is not an international standard. it's nation dependent. in the u.s., you might not see in german or other places around the world. the u.s. has very high standards. that's why i mentioned these other carriers should adopt what the u.s. follows. especially in terms of hiring practices. the copilot had only 630 hours when the plane crashed. in the u.s., most people at a minimum when they're hired for a major airline as a copilot have