Update: The Russian superjet crashed into Indonesian volcano Mount Salak. The search for survivors has been suspended, due to thick fog and the remoteness of the region.
A Russian Sukhoi Superjet with the capacity to carry 100 passenger has gone missing on a demonstration flight in Indonesia, reports say.
The plane, with at least 44 passengers and crew aboard, disappeared from radar screens during a demonstration flight from the capital Jakarta meant to last only 30 minutes, reports are saying.
Indonesian Emergency services have confirmed a Sukhoi plane is missing. Helicopters have been dispatched to look for the jet, thought to have been flying near a mountain close to the capital city.
The jet, which took off at 07:00 GMT, is believed to have had at least four hours' fuel aboard, the BBC's Karishma Vaswani reports from Jakarta. Information from Halim Perdanakusuma Airport claim the jet dropped from 10,000 feet [3,000m] to 6,000 feet in a short period of time. Most of the people on board were invited guests for the demonstration flight, sources say.