I must confirm this issue with plane after refuel/rearm procedure (but not every time). Before rearming i can land withoud any trouble - almost perfect aproaching and touchdown. After rearming plane is very "lazy" (poor acceleration and climb performance, wrong AOA in slow speed manouvers like landing etc. ) - seems to be overloaded or SPS system not worked correctly, landing is very difficult and far away from landing with "fresh plane".