The first search plane of the day takes off from an Australian air force base near Perth as the hunt for missing flight MH370 ends its second week.
More than two dozen countries are taking part in the search for the Malaysia Airlines plane and its 239 passengers.
Six aircraft and two merchant ships are concentrating on an area in the remote southern Indian Ocean where floating objects were spotted by satellite.
There's nothing to say it was connected in any way to the missing plane but it's seen at least as a credible lead.
Fourteen days of intensive searching have so far yielded little but frustration and raised new questions.
Airlineratings.com editor Geoffrey Thomas says the disappearance is baffling.
(SOUNDBITE) (English) EDITOR AT AIRLINERATINGS.COM, GEOFFREY THOMAS SAYING:
"This search for MH370 is the most extraordinary, the most bizarre in aviation history. Normally with an air crash it takes us just one or two days to find the aeroplan
