Jakarta, Jan. 20 -- Nine search and rescue units were deployed to scour hills and steep cliffs on Mount Bulusaraung in South Sulawesi on the fourth day of operations following the crash of an ATR 42-500 aircraft.

Indonesia's National Search and Rescue Agency (Basarnas) Operations Deputy Edy Prakoso said on Tuesday the search focused on mapped sectors based on earlier findings, including victim locations, personal belongings, aircraft debris, and sections of the fuselage.

"The search is being conducted in stages and in a measured manner, in line with the operational plan," he said.

Under the coordination of the Makassar SAR office chief as mission coordinator, each unit was assigned a separate sector to ensure broader coverage across th...