The interstate aviation Committee has finished decoding the parametric data recorder of the An-148, calling one of the causes of the disaster. according to MACK, "special situation" start to develop, presumably through two-and-a-half minutes after separation at an altitude of about 1300 meters and speed 465-470 miles per hour. At this point there were differences in the speed readings from п°п▓п÷1 (module air data) (п÷п÷п■1) left of the pilot and п°п▓п÷3 (п÷п÷п■3, backup). Preliminary analysis shows that a catastrophe could occur due to incorrect data on flight speed. Error devices, most likely, was associated with the " icing PPD (receivers total pressure