Russia may develop the Super Flanker fighter from 2027 - Air

According to reports, Sukhoi may merge production of the Su-30 and Su-35 into a new, lower-cost re-powered fighter called Super Flanker

Russia lags behind, India makes AESA radar for Sukhoi Su-30s

CAATSA kills Su-75 Checkmate - no machinery, no semiconductors

The Russian Jet That Fights for Both Sides, Air & Space Magazine

Su-27 fighter became a part of new display at the All-Russian Exhibition Center on the eve of Victory Day

Sukhoi Su-57 / T-50 / PAK FA - flight testing and development Part II [2012-current], Page 48

Sukhoi Su-57 - Wikipedia

Why do NATO designations for the Russian planes start with 'F' (Fulcrum, Flanker, Foxbat, and Foxhound)? - Quora

What are the differences between an F/A-18E Super Hornet, a J-20, and a Sukhoi T-50 PAK FA? Which one would win in a fight? - Quora

Sukhoi Su-27 (Flanker)

Sukhoi Su-75 Checkmate - Wikipedia

Canadian fighter jets intercept Russian military aircraft over Black Sea

Su-57 Stealth Fighter: News #8 - Page 25

Russia has not used Su-57 and Su-75 super-planes in the war against Ukraine : r/ukraine

You are the Russian government. You want a new advanced fighter jet. Who are you giving the job to between Sukhoi, Mikoyan, and Yakovlev? - Quora

Mikoyan MiG-35 - Wikipedia