[5][3] It consists of a folding wing and aerodynamic surfaces on a cruciform tail, enabling it to glide towards its target from greater standoff ranges compared to conventional "dumb" bombs such as the FAB-250.
The weapon's overall appearance is more streamlined compared to the UMPK bomb kit also in service with the Russian Air Force.
[6] It uses a GLONASS system and an inertial navigation unit for guidance, with a Kometa-M satellite receiver providing improved jam resistance.
[7] According to Oleksii Hetman, the accuracy of the system is claimed to be 7–8 meters, however "in practice, it turns out to be around 15"[8] The weapon may also be equipped with an additional engine to enhance its range.
The wreckage included a D-30SN nose cone, indicating that the S-70 was performing operational bombing trials in the region.