A Sukhoi Superjet 100 performing a demonstration flight for media, airline and aviation personnel with 46 people onboard crashed near a mountain in Indonesia on Wednesday. Their fate was not immediately known, as a search and rescue operation had to be called off due to bad weather. Contact with the 100-seat jet (registration RA-97004) was lost about 20 minutes after takeoff from Halim Perdanakusuma Airport in Jakarta, according to early reports. An official told Reuters that that radio contact was lost with the plane after it descended from 10,000 feet to 6,000 feet. It disappeared from radar near the 7,200-ft...