State-owned manufacturer delivered the stealth jet and also the Su-35S fighter, both from Sukhoi, on September 12, according to a statement

The Russian state-owned company again did not detail the number of aircraft in the new batch, which was announced weeks after the previous shipment, in April

The country's media claimed that Russia would send the first batch of 4.5 generation fighters in the coming days, but reports were later deleted

New batch of aircraft was announced a week after the state-owned company delivered the Su-34 bombers

Number of aircraft manufactured at the Yuri Gagarin Aviation plant in Komsomolsk-on-Amur was again not revealed

Latest version of the Su-27 "Flanker" family, the Su-35S is one of the most advanced fighters in the Russian inventory

Two aircraft have already been received in the first half of the year and another two are undergoing flight tests at KnAAZ's facilities, the company said

The aircraft was believed to be on a mission to suppress enemy air defense and crashed near Izium, in eastern Ukraine.

Aircraft should have been delivered to Egypt, which withdrew from the deal due to US pressure and technical issues, according to rumors