The son of Tatarstan President Rustam Minnikhanov, Irek, was among those killed in the crash, as was the head of the regional Federal Security Service (FSB) Alexander Antonov, according to a passenger list whose authenticity was confirmed by the regional government.
Russia and the former Soviet republics combined have one of the world’s worst air-traffic safety records, with a total accident rate almost three times the world average in 2011, according to the International Air Transport Association.
Prime Minister Dmitry Medvedev called the disaster “a frightening tragedy”, offering his condolences to the relatives of the victims in a Tweet on Sunday.
State television showed images of a woman scanning a list of passenger names posted outside the airport and crumbling into tears as she apparently recognized one.
Boeing officials at the Dubai Airshow had no immediate information and declined to comment on the crash.
Russia spans nine time zones, from the Baltic Sea to the Pacific across large areas of largely uninhabited land, making efficient air and train links especially important to the country’s economy.
In Soviet times, flag carrier Aeroflot had a virtual monopoly of the airline industry, but after the collapse of the Soviet Union, a multitude of small private companies emerged.