the faa has strict rules saying pilots have to get psychological screening every year or six monos. they can't fly if they have bipolar disorder or similar problems. some medications are banned. but some pilots say medical screeners don't always ask about psychological issues and it's often up to pilots to report those and report any medications they're taking. >> if he or she doesn't self-report, what happens? >> if you don't self-report it's going unnoticed. typically what happens is if you have an issue, one of your crew members might recognize something like that. >> reporter: do the airlines check on pilots to see if anything's come up in their personal lives that might cause concern? financial problems? maybe a worrisome illness in the family? >> the short answer is no, not until it becomes -- it affects your job performance and your -- you know, if you miss a trip for a particular reason. >> reporter: aben says if airlines started doing that,