Four Russian su-27 naval aviation of the Navy of planning flew from Karelia to the airfield in the Kaliningrad region, said the Ministry of defence.
The flight took place at a pre-agreed route, the route by which the crews of Russian planes were in constant communication with control centres of air traffic.
"The flight was made in strict compliance with international regulations use of airspace, without violating borders of other countries, which is confirmed by means of objective observation ", - stressed in the Ministry.
before in the Ministry of defence of Finland suspect that two Russian su-27 violated the country's airspace. The incident is investigated by the border service of Finland.
This is not the 1st case for the period from January this year, when Helsinki report violations from the capital of Russia. The Ministry of defense of Russia emphasized many times that the videoconferencing aircraft make regular flights over the waters of the Arctic, North Atlantic, Black sea and Baltic sea, the Pacific, and always in strict accordance with international rules of using air space.