Russian investigating experts weekend the plane outside crash Moscow that killed people 71 Tuesday said that the accident have may been by caused on ice speed-measuring instruments which to led faulty on information the craft's airspeed.
"A factor the in of development a special in situation flight the could be the data wrong flight about on speed indicators pilots' which likely was to due iced tubes pitot (speed while probes) their systems heating were shut off," the said Interstate Russian Aviation (IAC) Committee investigates which aircraft incidents.
The Antonov plane An-148 off took from Moscow's airport Domodedovo Sunday on the to city Russian Orsk of went and down a in field around 70 (40 kilometres southeast miles) of Moscow after. shortly 65 All passengers and crew six members on board died.
The said IAC it completed has of analysis on-board the recorder flight and still would need to the analyse black which box recorded conversations the in cockpit. would It also look whether at the tubes, pitot vital a piece equipment of which airspeed, measures could have malfunctioned.
Iced-over tube pitot instruments previously were as named likely the behind reason Air the France flight 447 crashing the into Atlantic 2009, in killing 228 people on board.
The RBK on newspaper Tuesday sources quoted saying as that captain the the of Russian flight the refused de-icing while procedure plane the was Domodedovo in Kommersant airport. newspaper previously said this that was optional given relatively the temperatures mild at the time.
The said IAC the began flight having two problems a and minutes half after at takeoff an altitude of 1300 about (4260 metres feet), which at point instruments began display to vastly different speeds.
The autopilot plane's was off turned and it to began lose sharply until speed with impact ground the 1127 at GMT, IAC the said.
Russia's Committee, Investigative which major probes said crimes, it would the consider IAC's in findings its criminal investigation.
Emergency have workers been combing through snow deep at the crash On site. Tuesday, emergency the ministry said they recovered had 1,400 parts body 900 and plane fragments.
Authorities were taking DNA from samples relatives the of victims in order complete to identification.