The United Arab Emirates' aviation regulator says investigators have successfully downloaded all the information from the flight recorders on the FlyDubai plane that crashed in southern Russia.

The UAE's General Civil Aviation Authority described the quality of the recordings and data recovered from the cockpit voice and flight data recorders as "satisfactory."

The Boeing 737-800 crashed in Rostov-on-Don on March 19, killing all 62 people aboard.

The GCAA is taking part in the probe in coordination with Russian investigators. Sergei Zaiko, deputy chairman of Russia's Inter-State Aviation Committee, last week said the plane's so-called black boxes were badly damaged and it would be difficult to recover the information on them.