pilots have to get strict screening as part of their medical exam. they can't fly if they have bipolar issues. >> it's up to pilots to report medication they're taking. >> if he or she doesn't self-report, what happens? >> if you continue self-report, it goes unnoticed. typically if you have an issue, one of your crew members might recognize that. do airlines check on pilots to see if things come up in their personal lives? financial problem, worrisome issues with the family? >> no not until it affects your job performance. if you miss a trip for a particular reason. >> if airlines started doing, that privacy concerns would be raised. does this mean there's a