The second black box has been recovered from a crashed China Eastern passenger plane, state media reported on Sunday.
The flight from the city of Kunming in southwestern China was flying at 8,800 metres on Monday , shortly before it would have started its descent to the airport in Guangzhou, a provincial capital and export manufacturing hub near Hong Kong on China's southeastern coast.
All of the 132 passengers on board were killed in the crash, and the cause of the disaster is not yet known.
"The second black box from China Eastern flight MU5735 was recovered on March 27," Xinhua news agency reported.
Searchers have already found the cockpit voice recorded but have yet to find the flight data recorder. Source: AAP, AP / Lu Boan
Searchers and sent it to Beijing for analysis, which is expected to take several more days.
The second black box contains data such as speed, altitude and heading.
With both now recovered, investigators should be able to begin to piece together what caused the plane to fall more than 6,000 metres (20,000 feet) in just over a minute.
Hundreds of people, including firefighters, doctors and investigators, remain at the scene of the tragedy recovering human remains and the wreckage of the plane.
The Chinese Civil Aviation Administration (CAAC) said on Saturday evening that all of the people on board the aircraft had died, and that it had confirmed almost all of their identities through DNA testing.
All 123 passengers and nine crew members were Chinese nationals.
