The Su-35 is impressive even though it is not a stealth fighter. It has helped make Russia into a modern power again.
The Sukhoi Su-35 Flanker-E is the top Russian air-superiority fighter in service today, and represents the pinnacle of fourth-generation jet fighter design.
Distinguished by its unrivaled maneuverability, most of the Su-35’s electronics and weapons capabilities have caught up with those of Western equivalents, like the F-15 Eagle. But while it may be a deadly adversary to F-15s, Eurofighters and Rafales, the big question mark remains how effectively it can contend with fifth-generation stealth fighters such as the F-22 and F-35.
The Su-35 is an evolution of the Su-27 Flanker, a late Cold War design intended to match the F-15 in concept: a heavy twin-engine multirole fighter combining excellent speed and weapons loadout with dogfighting agility.
The current model properly called the Su-35S and is the most advanced type of the Flanker family. It began development in 2003 under the Komsomolsk-on-Amur Aircraft Production Association (KnAAPO), a subcontractor of Sukhoi. The first prototypes rolled out in 2007 and production began in 2009.
The Su-35 is at least equal—if not superior—to the very best Western fourth-generation fighters. The big question, is how well can it perform against a fifth-generation stealth plane such as the F-22 or F-35?
The maneuverability of the Su-35 makes it an unsurpassed dogfighter. However, future aerial clashes using the latest missiles (R-77s, Meteors, AIM-120s) could potentially take place over enormous ranges, while even short-range combat may involve all-aspect missiles like the AIM-9X and R-74 that don’t require pointing the aircraft at the target. Nonetheless, the Su-35’s speed (which contributes to a missile’s velocity) and large load-carrying abilities mean it can hold its own in beyond-visual-range combat. Meanwhile, the Flanker-E’s agility and electronic countermeasures may help it evade opposing missiles.
The more serious issue, though, is that we don’t know how effective stealth technology will be against a high-tech opponent. An F-35 stealth fighter that gets in a short-range duel with a Flanker-E will be in big trouble—but how good a chance does the faster, more-maneuverable Russian fighter have of detecting that F-35 and getting close to it in the first place?
As the U.S. Air Force would have it, stealth fighters will be able to unleash a hail of missiles up to one hundred miles away without the enemy having any way to return fire until they close to a (short) distance, where visual and IR scanning come into play. Proponents of the Russian fighter argue that it will be able to rely upon ground-based low-bandwidth radars, and on-board IRST sensors and PESA radar, to detect stealth planes. Keep in mind, however, that the former two technologies are imprecise and can’t be used to target weapons in most cases.
Both parties obviously have huge economic and political incentives to advance their claims. While it is worthwhile examining the technical merits of these schools of thought in detail, the question will likely only be resolved by testing under combat conditions. Furthermore, other factors such as supporting assets, mission profile, pilot training and numbers play a large a role in determining the outcomes of aerial engagements.
The Su-35 may be the best jet-age dogfighter ever made and a capable missile delivery platform—but whether that will suffice for an air-superiority fighter in the era of stealth technology remains to be seen.
