The vessel was believed to be operating illegally with no manifest and an insufficient number of life jackets when it went down on Lake Toba.
Indonesian police have named four people as suspects in a criminal probe into the sinking of an overloaded ferry on a volcanic lake in which it is believed some 200 people died.
Search teams hope the equipment, on loan from Indonesia's navy, will help find the overloaded boat which sank on Monday on Lake Toba, a picturesque tourist destination in Sumatra.
The captain was among just 18 people rescued after the vessel capsized and sank on Monday afternoon on Sumatra's Lake Toba.
At least one person has died and dozens are missing after a boat carrying 80 people capsized Monday in Indonesia, an official from the national disaster agency said.
HH the Emir Sheikh Tamim bin Hamad al-Thani participated along with the leaders of the Gulf Co-operation Council (GCC) countries in the opening session of 37th GCC Supreme Council summit yesterday evening at Sakhir Palace in Manama, Bahrain.
As Saudi Arabia seeks to diversify its oil-dependent economy, the chief of a Red Sea “megacity” says his project is pointing the way forward.