Boeing conducts another test flight of 787 Dreamliner

 Associated Press   Seattle     Last Updated: April 2, 2013  | 11:27 IST

Boeing Co conducted another test flight of its 787 Dreamliner passenger jet on Monday. The company said the flight was designed to test system upgrades and not to check operation of the plane's batteries.

Airlines around the world have 50 of the planes, which are still grounded after two of them overheated in January. Boeing is working to assure regulators that after some design changes, the batteries are safe.

The company expects to make at least one battery-test flight.

On Monday, one of the 787s made a 2-hour flight from the Seattle area to Moses Lake, Washington, then returned to Boeing Field. Boeing conducted one test flight of the 787 last week and two in February.

Boeing shares fell 60 cents to close at $85.25. The stock is up 13 per cent so far this year.

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