Russian AF. The MiG-29SMT is an upgrade package for first-generation MiG-29s (9.12 to 9.13). Additional fuel tanks in a further enlarged spine provide a maximum flight range of 2,100 km on internal fuel. The MiG-29SMT was designed for an advanced air-to-ground capability. The power plant are upgraded RD-33 ser.3 engines with afterburning thrust rated at 8,300 kgf (81.4 kN) each. The weapons load was increased to 4,500 kg on six underwing and one ventral hardpoints,