careful to label it for what it is. this is a transcript obtained by a reputable news source but not ourselves that has been apparently translated from the original english into mandarin and into english again. nuances may have been lost. still there's plenty to learn from what we've got. breaking news on the search. australian officials telling us another search plane took off out of western australia heading for the waters that were calm today but as you'll see rarely stay that way for long. and there's been a big change in tactics. searchers relying less on high tech radar and more on old-fashioned eye balls and binoculars. we're also learning possibly significant new information about files on the pc simulator, flight 370's captain had at home. you see the simulator behind it from a youtube video. files deleted from the hard drive. there could be a perfectly reasonable explanation for that. we have another full hour of coverage ahead starting with kyung lah on the search and pamela brown in washington on the cockpit transcripts and