A Boeing Dreamliner takes to the skies for a test flight that brings it a crucial stage closer to getting back in the air.<br/> <br />The aircraft took off near Seattle on Friday to prove a new system to stop the plane's lithium-ion batteries overheating or catching fire is working.<br/> <br />When it touched down nearly two hours later Boeing said the flight had been uneventful and straightforward.<br/> <br />The words appear non-committal but the flight concludes testing after little more than three weeks on the battery fix.<br/> <br />Now regulators in the U.S., Japan and Europe have to decide if they're satisfied Boeing's solution is safe.<br/> <br />Industry officials and airlines which operate the Dreamliner have said they expect it back in the air by May at the latest.
