The search for Russian air force MIG-29 plane, lost in Armenia, is difficult due to the unfavorable weather conditions, which do not let use helicopters, the press service of the defense ministry of Armenia told "Mediamax" agency. According to the source, the search is held jointly by Armenian and Russian military with participation of the Department for Emergency Situations. As it was noted by a ministry representative, communication with the plane interrupted at 12:53 p.m. local time, when MIG-29, which was executing a training flight in the north-western part of Armenia, near Artik town.