Russia: Speed indicators failure seen behind jet crash that killed 71

Moscow: Investigators say Russian plane crash may have been triggered by speed indicators failure.

Russian authorities are trying to figure out how the passenger plane carrying 71 people fell from the sky and crashed outside Moscow on Sunday after taking off from the capital's Domodedovo airport. 

The Antonov An-148 Flight #6W703 plane operated by the domestic Saratov Airlines was flying to Orsk, a city in the Urals, and crashed in the Ramensky district on the outskirts of Moscow.

Russian news agencies reported 65 passengers and 6 crew were on board.

The flight path of the Saratov Airlines flight #6W703 from Moscow to Orsk. The Antonov AN-148 disappeared from radar screens a few minutes after take-off from Moscow. - Flightradar24

An emergency services source told Russian news agency Interfax that all 71 people ob board were feared dead.

Earlier, Interfax reported that the crash may have been caused by a collision with a helicopter, but there was no confirmation of this angle from investigators.

The jet, a Saratov Airlines AN-148, had taken off from Moscow's Domodedovo Airport with 65 passengers and 6 crew members on board. — AFP

The transport ministry said several causes for the crash are being considered, including weather conditions and human error.

Prosecutors opened an investigation into Saratov Airlines following the crash.

Here's a Youtube video of a AN-148 jet similar to the aircraft that crashed on Sunday.