Icing of devices became one of the causes of the An-148 accident

13 February 2018, 17:53 | Incidents
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The Interstate Aviation Committee has deciphered the information of the parametric recorder of the passenger plane An-148 crashed in the suburbs, RIA Novosti reports.. Preliminary analysis revealed that the accident could have occurred due to incorrect data on the flight speed of the board caused by the error of the instruments, which in turn is due to the "icing of the DPD (full pressure receivers - eds. ) when the heating systems are off ".

According to the IAC, the "special situation" began to develop in 2 and a half minutes after the separation at an altitude of about 1300 meters and a speed of 465-470 km / h.

It was at this point that there appeared discrepancies in the speed readings from MVP1 (air parameters module) (PPD1) of the left pilot and MVP3 (PPD3, reserve).

The following data will be obtained after decoding the voice recorder of the aircraft.

The plane of "Saratov Airlines" An-148, carrying out flight No. 703 of Domodedovo-Orsk, collapsed on February 11 in the Ramenskoye district of the Moscow region near the settlement Stepanovskoye. On board there were 71 people. All died.




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