According to what emerges from the first results of the internal investigation, the plane crash of the Boeing 737 Ukrainian, crashed after takeoff from Tehran, causing the death of 176 people would be it was caused by a technical problem. “The aircraft, which originally was heading to the west outside the area of the airport, has tacked to the right after that there is a problem and the pilots had initiated a maneuver to go back to the time of the crash”, reported the civil aviation of iran on his web site.