FS2004 Sukhoi Su-27B/UB/Su-30MKK Package, China PLAAF. The aircrafts in this package have models about 18000=20000 polygons, and have 3 Level LODs. Include models: Su27SK/Su27B Single seat fighter. Su27UBK/Su27UB: Twin seats advanced trainer. Su30MKK/Su30M: Twin seats fighter-bomber.