The area where acoustic signals thought linked to the missing Malaysian plane were detected can now be ruled out as the final resting place of flight MH370, Australian officials say.
The Bluefin-21 submersible robot had finished its search of the area and found nothing, they said.
Efforts would now focus on reviewing search data, surveying the sea floor and bringing in specialist equipment.
Flight MH370 went missing on 8 March as it flew from Kuala Lumpur to Beijing.
Using satellite data, officials have concluded that the airliner, which had 239 people on board, ended its journey in the Indian Ocean, north-west of the Australian city of Perth.
No trace of the plane has been found and there is no explanation for its disappearance.
Four pings that officials believed could be from the missing plane's "black box" flight recorders were heard by search teams using a towed pinger locator device.
These pings were used to define the area for the sea-floor search, conducted by the Bluefin-21. It had scoured over 850 sq km of the ocean floor, JACC said.
29/05/14 BBC
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The Bluefin-21 submersible robot had finished its search of the area and found nothing, they said.
Efforts would now focus on reviewing search data, surveying the sea floor and bringing in specialist equipment.
Flight MH370 went missing on 8 March as it flew from Kuala Lumpur to Beijing.
Using satellite data, officials have concluded that the airliner, which had 239 people on board, ended its journey in the Indian Ocean, north-west of the Australian city of Perth.
No trace of the plane has been found and there is no explanation for its disappearance.
Four pings that officials believed could be from the missing plane's "black box" flight recorders were heard by search teams using a towed pinger locator device.
These pings were used to define the area for the sea-floor search, conducted by the Bluefin-21. It had scoured over 850 sq km of the ocean floor, JACC said.
29/05/14 BBC
