Jakarta, Jan 12 (TIWN) Indonesian authorities on Tuesday intensified search operation in two areas where signals from the black boxes if the crashed Sriwijaya Air plane were detected, while dozens of bags of human remains were also recovered.

The Boeing 737-500 aircraft with 62 people on board plunged into the waters off the coast of Indonesia's capital Jakarta on January 9, Xinhua news agency reported.  Commander of the Search and Rescue Task Force First Admiral Yayan Sofyan said efforts were underway to clear the spots to locate the cockpit voice recorder (CVR) and flight data recorder (FDR).