Köszi Mack, őszintén szólva a (Shenyang) J-11B/BS-re gondoltam, mert másik kétüléses. Akkor a másik a BS, nem ?
A sinodefence-n olvastam róla.
"Contractor (Su-27SK) KnAAPO at Komsomolsk-na-Amur
(Su-27 UBK) IAPO at Irkusk
(J-11/B/BS) Shenyang Aircraft Corporation
Variant Su-27SK ‘Flanker-B': single-seat fighter;
Su-27UBK ‘Flanker-C': two-seat fighter-trainer;
J-11: Chinese-assembled licensed copy of the Su-27SK;
J-11B: unlicensed copy of the Su-27SK, with Chinese weapon, engine and avionics;
J-11BS: two-seat fighter-trainer version of the J-11B;"