The search for two large objects that may be from the missing Malaysia Airlines jet has resumed in the southern Indian Ocean.
The Australian Maritime Safety Authority (AMSA) said Friday’s operation would involve five aircraft, including three RAAF Orions, and a US Navy P8 Poseidon.
The planes are scouring a remote area of 8,800 sq miles (23,000 sq km).
A Norwegian merchant ship – the first vessel to reach the vicinity – has been using searchlights through the night to try to locate the objects.
They were spotted by a satellite last Sunday and could potentially be debris from flight MH370.
One is thought to be 24 metres in length and the other about five metres.
Thursday search was hampered by strong winds, cloud and rain.
The sightings have been deemed “credible” and a “potentially important development” by authorities – as the search for the passenger plane enters its 13th day.
Australian naval vessel HMAS Success, which is capable of retrieving debris, is also en route to the search area but is some days away.
A British naval survey ship, HMS Echo, is also heading to the region.
There has been no trace of the aircraft since it vanished from radar a short distance into a flight from Kuala Lumpur to Beijing on March 8.
Wider searches, including of a northern corridor from northern Thailand to Kazakhstan, are set to continue until investigators are certain they have located the plane. Some 18 ships and 29 aircraft are taking part.
Those areas were targeted after faint electronic “pings” picked up by one commercial satellite suggested flight MH370 flew on for at least six hours after it disappeared from air traffic control screens.
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