there are various checks, and some of them are overnight. but there was a line they said they had accomplished a lot of the various directives and maintenance ordered, et cetera, and they had more to do. there was just one line, and i was intrigued by that, but i haven't been able to find anymore about that. but undoubtedly the investigation will encompass that and hopefully they'll have information about that soon. because that's very typical. it's something you would cover in an investigation. >> and we've answered -- jim, i was going to ask you about the psychological evaluations. you said every six months. this is to michael kay. is there an explanation for that traps ponder being turned off other than by act of the pilot? >> can i say, i've got huge admiration for the way he conducted that interview this evening. it is humbling. i thought the way he conducted himself was humbling. the transponder, for me, there