Search and rescue teams had found the wreckage a Russian-made passenger jet on a mountain Thursday after it disappeared during a demonstration flight in western Indonesia.
The conditions of the 48 people on board are not known.
The Sukhoi Superjet 100 plane, is Russia's first all-new passenger jet since the fall of the Soviet Union, when it dropped off the radar just 21 minutes after took off from Halim Perdanakusuma Airport in Jakarta on Wednesday including otential buyers and journalists were on board.
“They didn't explain the change of course,” chief of the national search and rescue agency said. “Drizzle was falling at the time, but it was not stormy and there were no obvious signs of trouble.”
More than 800 people, including soldiers and police were taking part in the search and rescue operation.