So, the fifth-generation Su-57 is decades behind fifth-generation American fighters with respect to stealth technology. The radar cross-section is hardly the only problem plaguing the Su-57 project.

The fighter’s canards are located ahead of the primary wings, which can expand its radar cross-section. Coupled with the Su-57’s less angular design, the canards make the Russian platform less ...

"Similar measures will most likely be taken for the Su-57 but this ... "The aircraft’s radar signature is also reduced after the flat nozzle is installed. The cross section that reflects radio ...