All cargo version of MAKS. Air-launched heavy-lift launcher would use an expendable second stage with a payload container. Release conditions: Piggy-back, 275,000 kg, 38.0 m length x 24.0 m wingspan, 900 kph at 9,500 m altitude. Effective velocity gain compared to vertical launch 270 m/s. Payload bay 13.0 m long x 5.0 m diameter.
LEO Payload: 18,000 kg. to: 200 km Orbit. at: 51.0 degrees. Payload: 19,500 kg. to a: equatorial, 0 degree, 200 km altitude orbital trajectory. Total Mass: 275,000 kg.