Story highlights Experts from Russia, UAE and France are working to download data from damaged flight recorders

All 62 people aboard the flight from Dubai died during a landing attempt in southern Russia

Passengers were mainly Russian and included four children, flydubai CEO says

(CNN) Investigators working to extract data from flight recorders from a flydubai jet that crashed in Russia say they are "significantly damaged."

Flight FZ981 from the United Arab Emirates was making its second attempt to land in Rostov-on-Don early Saturday when it crashed about 250 meters (800 feet) from a runway, killing all 62 people on board.

The flydubai plane had aborted an initial scheduled landing and circled for more than two hours in poor weather conditions above Rostov-on-Don airport.

Russian state media reported strong winds and poor visibility at the time.

The search operation at the crash site ended Sunday, with investigators moving on to the cause of the accident and identification of bodies, officials said. The airport is expected to reopen on Monday morning, Russia's Emergencies Ministry said.

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