A Superjet 100 the Russian Sukhoi, developed and commercialized in collaboration with Alenia-Aermacchi, a Finmeccanica, and’ suddenly disappeared from radar while engaged in a demonstration flight in the skies Indonesian. On board there would be 50 people and it’ Yellow on the presence of Italian. Despite the press include include two Russian compatriots from the list of names published in the local press, the two names, Susana Maria Marcela and Vamela, seem more Spanish or Ibero-American. The Unit’ Crisis Ministry of Foreign Affairs, in contact with the embassy in Jakarta, is working to dissolve the last doubts about nationality’ of victims but there’ skepticism about the presence of compatriots on the jet. The plane had taken off at 14 local (the 9 am in Italy) for his second demonstration flight of the day. After 50 minutes "and’ dropped from an altitude of 10.000 foot (3.048 meters) a 6.000 (1.828 meters)" and e’ disappeared in the vicinity of Mount Salak, high 2.200 meters.