The vessel was travelling from Indonesia’s second-biggest city Surabaya to Balikpapan on Borneo island with some 277 people aboard when it held glow on Thursday evening, according to police.
Television images on Friday showed plumes of black fume pouring out of a boat, as hunt teams wanted for a blank passengers after scores were rescued.
East Java military orator Frans Barung Mangera reliable on Friday that during slightest 4 people died in a collision and dozens were unaccounted for.
Earlier, Syachrul Nugroho, a orator for Surabaya’s Tanjung Perak port, gave a reduce figure for a series of missing.
“We don’t know if they’re still on a boat,” he said.
The means of a collision was not immediately clear.
Mr Nugroho pronounced it seemed a glow had damaged out and a ferry’s energy went down, slicing off a H2O pumps.
“The organisation couldn’t extinguish a glow since a H2O pumps weren’t operative so passengers started to desert a ship,” he added.
Passenger ferries are a common means of ride in Indonesia, an archipelago of some 17,000 islands, notwithstanding bad reserve standards and visit accidents.
In June, 21 people died when an overloaded packet sank in severe seas off Java’s north coast.
Some 160 people drowned when an Indonesian packet sank into a inlet of one of a world’s deepest lakes on Sumatra island final year.
More than 300 people are estimated to have drowned in 2009 when a packet sank between Sulawesi and Borneo.