"At 16.40 local time, the Navi Chief of Staff reported that the FDR was found," National Armed Forces Commander Air Chief Marshal Hadi Tjahjanto told Metro TV.
According to the Indonesian military commander, the joint team is still searching for the location of the cockpit voice recorder, the other part of the black box.
"We still need to find the CVR," Hadi stated.
On Saturday afternoon, the Sriwijaya Air flight went missing en route from Jakarta to Pontianak on the island of Borneo. The Boeing 737-524 aircraft disappeared from radar shortly after take-off from the Soekarno-Hatta International Airport. The airplane reportedly plunged into a steep dive and then crashed into waters off Jakarta.
According to reports, the passenger plane carried 62 people on board, including 12 crew.