The Russian
Interstate Aviation Committee (IAC) opened an investigation into the accident. President
Vladimir Putin also set up a special commission to investigate the crash. Within the first few hours of the investigation, the
Ministry of Transport announced two theories regarding the crash – weather conditions and
human factors. Both
flight recorders (the flight data recorder and the cockpit voice recorder) were found on 12 February. Saratov Airlines' documents related to the aircraft were impounded as part of the routine investigation. The crash has also caused the Russian Emergency Ministry to discuss whether all Antonov An-148s should be grounded temporarily. Personnel at Moscow Domodedovo Airport were also interviewed. Russian news agency Rambler News Service (RNS) reported that the pilot of Flight 703 had declined to have the aircraft
de-iced before the departure. According to a
METAR weather report, the weather at 11:00 included snow showers and a temperature of at Domodedovo Airport. On 13 February, the IAC reported that initial analysis of data from the flight data recorder showed that the
pitot tube heaters were not turned on and there were discrepancies in the airspeeds being displayed to the pilots, with one airspeed indicator showing increasing airspeed, one showing decreasing airspeed and the third showing no airspeed. The data also showed that the aircraft was under manual control when it pitched nose down some 30° below the horizontal and remained in that attitude until it impacted the ground. ==Aftermath==