the blades. been much more catastrophic. on the wing on a 57 and it is a tough old plane. they're very old planes now at this point so that might play into it as well. once a plane hits 20 years, it is supposed to have an aging protocol. so it is very fortunate the kind of plane it was. it was probably not very comforting. it would have been a very strange sight. you would have seen the parts, the struts, right. it kofbl a little disconcerting. >> but it's good, the parts and the struts and everything inside that panel were working because they were able to land safely. let's get back now to our special coverage. we'll talk about this search. this is brand new video. this shows the pilot and co-pilot of flight 370 walking through security at kuala lumpur's international airport. this is new into cnn.