Russia plane crash may have been caused by speed-indicator failure due to icing, investigators say


The crash of a Russian airliner that plummeted out of the sky minutes after takeoff from a Moscow airport may have been caused by the pilots failing to activate heating equipment before takeoff leading to the plane’s sensors being iced over, investigators said Tuesday.

Russia’s Interstate Aviation Committee said in a preliminary report the crash of Saratov Airlines Flight 703 that killed all 71 people on board Sunday occurred after the pilots saw varying data on the plane’s two air speed indicators, which could have been caused by icing, according to Russian news agency Interfax.

Pilots did not turn on the heating unit for the plane’s pressure measurement equipment prior to takeoff, which could have caused the flawed speed data, according to investigators.

“In all other flights on the chart recorder (15 more flights), the heating of the receiver was switched on before take-off” the preliminary report said, according to the TASS news agency.

IEmergency personnel work at the wreckage of an crash in Stepanovskoye village.

 (Russian Ministry for Emergency Situations)

Shortly after takeoff from Moscow’s Domodedovo Airport, the pilots put the An-148 regional jet on autopilot but had to take manual controls back when they saw varying speed data.

SURVEILLANCE FOOTAGE CAPTURES MOMENT RUSSIAN PLANE CRASHED, KILLING 71

The flight was only in the air for six minutes before it plummeted into a snowy field and exploded into a giant fireball, killing all 65 passengers and six crew members.

Emergency workers explore the site of a AN-148 plane crash in Stepanovskoye village, about 40 kilometers (25 miles) from the Domodedovo airport, Russia, Monday, Feb. 12, 2018. Emergency teams combed the snowy fields outside Moscow on Monday, searching for debris from a crashed Russian airliner and the remains of the 71 people aboard it who died. The An-148 twin-engine regional jet bound for Orsk in the southern Urals went down minutes after taking off from Moscow's Domodedovo airport Sunday afternoon. All 65 passengers and 6 crew on board were killed. (AP Photo/Nikolay Koreshkov)

Emergency workers explore the site of a AN-148 plane crash on Monday.

 (AP)

Hundreds of emergency workers have been rummaging through knee-deep snow since Sunday searching for victims’ remains and plane debris.

Experts have managed to recover data from both the plane’s flight data and cockpit conversation recorders.

So far, more than 1,400 fragments of body parts and about 500 fragments of aircraft have been found at the crash site, according to Interfax.

Personnel work at the scene of the AN-148 plane crash in Stepanovskoye village, about 40 kilometers (25 miles) from the Domodedovo airport, Russia, Moday, Feb. 12, 2018. The Russian passenger plane carrying 71 people crashed Sunday near Moscow, killing everyone aboard shortly after the jet took off from one of the city's airports. The Saratov Airlines regional jet disappeared from radar screens a few minutes after departing from Domodedovo Airport en route to Orsk, a city some 1,500 kilometers (1,000 miles) southeast of Moscow. (AP Photo/Alexander Zemlianichenko)

Personnel work at the scene of the AN-148 plane crash in Stepanovskoye village.

 (AP)

RUSSIA PLANE CRASH PROMPTS LOOK AT THE SAFEST AIRLINES

The crash has reignited questions about the twin-engine plane, which has a spotty safety record, with one previous crash and several other major incidents in which pilots have struggled to land safely.

President Trump offered his condolences to Russian President Vladimir Putin on Monday for the plane crash, with Trump assuring Putin the U.S. is “standing by to assist Russian authorities in their investigation.”

The Associated Press contributed to this report.

Travis Fedschun is a reporter for FoxNews.com. Follow him on Twitter @travfed



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