is that correct? >> reporter: well, it's not entirely correct. i mean, one of the great issues of the global airline industry is the lack of standardization. there are no globally standard rules for pilot training. no rules across the world for the amount of hours they're allowed to fly each day. there are no rules to say they must have a health check every six months. varies from country to country, sometime from airline to airline. if you take the retirement age of pilots, some country, it's 65. some countries it's 67. new zealand, in fact, has no retirement age for pilots as long as they pass the health checks. they can keep on flying. getting these standards all around the world, particularly in this area of health and mental health is something that really needs to be looked at. >> perhaps it will. pilot suicide has occurred, of course, but rarely it's