The trials of Russia’s Su-57 fifth-generation fighter jets continue in normal regime, the aircraft will be delivered to the Russian Aerospace Forces on schedule, Russian Deputy Defense Minister Alexei Krivoruchko has said.

"The delivery of multirole Su-57 fighter jets to aviation units of the Russian Aerospace Forces will be carried out in line with the state arms procurement program until 2027," he said.

According to the official, trials of Su-25S multirole fighter aircraft are scheduled for completion by late 2019. At the same time, nearly 60 aircrft have already been delivered to units of the Russian Aerospace Forces.