E tu, questo, come lo sai?
Indonesian Authorities reported the aircraft was enroute at 10,000 feet near Mount Salak when at about 15:30L (08:30Z) the crew requested and was cleared to descend to 6,000 feet. This proved to be the last radio transmission. Radar contact was lost when the aircraft was in a right hand turn descending through 6,200 feet between Mount Salak and Mount Gede at approximate position S6.72 E106.72. The aircraft was flying clockwise around Mount Salak at that time. A search operation has been initiated and is mounting, first search flights on May 9th did not yet found any trace of the aircraft. Search on the ground is under way, a first team has departed for Mount Salak in the evening, a second ground team is expected to depart on May 10th early morning, more than 600 ground personnel have been deployed by sunrise May 10th.
Sukhoi reported the aircraft registration RA-97004 (MSN 95004) was piloted by a very experienced crew that also flew the first prototype of the aircraft, the commander had more than 10,000 hours total. The crew did not report any anomaly and did not issue a distress call prior to the aircraft disappearing. The aircraft had already concluded another demonstration flight earlier the day. The accident aircraft had accumulated 800 flight hours in more than 500 cycles, there had been no serious technical problems since its first flight in 2009.
Mount Salak is 2,211 meters/7254 feet high, nearby Mount Gede is 2,958 meters/9,705 feet high.
fonte: http://avherald.com/h?article=44f464f7&opt=0