Temporary restrictions on the arrival and release of aircraft have been introduced at the airports of Bogulma, Kazan, Nizhnekamsk, Samara, Sochi, Ulyanovsk and Cheboksary. This was reported on the channel of the Federal Air Transport Agency in "Max". "Airports of Bogulma, Kazan, Nizhnekamsk, Samara, Sochi, Ulyanovsk, Cheboksary: temporary restrictions on the reception and release of aircraft have been introduced. The restrictions are necessary to ensure the safety of the flight," the statement said.