According to the report, British specialists on board the observation aircraft will monitor compliance with the agreed flight parameters and the use of surveillance equipment.

Russian aircraft will perform an observation flight over the territory of the United Kingdom from 19 to 23 August 2019, according to the official newspaper of the Defence Ministry Krasnaya Zvezda.

"The Russian Federation plans to carry out an observation flight on an An-30B aircraft over the territory of the UK within the framework of implementing the international Treaty on Open Skies", the newspaper reported citing the head of the Nuclear Risk Reduction Centre Sergey Ryzhkov.