It had originated at Abadan and had diverted to Isfahan due to poor visibility at Mashhad.

[4] The flight was holding near Mashhad International Airport when a passenger fell seriously ill.

They decided to land at Mashhad on an ILS approach for runway 31R despite the low visibility.

On 26 January 2010, it was reported that Russia's Interstate Aviation Committee had joined the investigation.

[4] The final accident report was released on 28 December 2012, listing the sole cause as pilot error.