A desperate rescue mission saved four people - but up to 24 are feared dead in the air tragedy in the Sakha Republic. 

Aircraft had been flying as part of a test flight following an engine change when it came down.

End the bottleneck on flights from Vladivostok, says Primorsky region governor.

Pilot error, technical malfunction and bad weather are all possible causes checked by investigators.

Siberian airline tycoon - the Richard Branson of Russia - explains why he is stepping in to rescue stricken Transaero.

Rescue teams rush to help survivors among 22 passengers in Arctic.

The Mi-8 with 25 passengers and a crew of three on board crash landed some 45 km into a flight, said early reports.

Private helicopter brought in to located Tyva Avia aircraft that had 13 people on board in remote Siberia.

Bus skidded off bridge and flipped in the air before landing on ice of river Kuenga.