have not looked at the clock today and you think you have an extra hour. >> that could of happened, by the way! >> it could have, yes. >> i'm joe johns in for victor black well. >> i'm christi paul. one year after malaysia airlines flight 370 van issued without a trace, investigators say the plane's captain and crew showed no signs of stress before it took off. >> we just received hundreds of pages of the first interim report from the malaysian government. among these new details, the plane's pinger batteries had already conspired. >> cnn aviation correspondent richard quest sifted through all of the documents. good morning, richard. >> good morning. >> reporter: hundreds of pages of documents supporting background information have now been released. although they don't give us any information about what happened in the cockpit, we still don't know why the plane went missing. or, indeed where it ended up. they paint a very detailed picture of the aircraft, its