Molniya Triplane Aircraft . Molniya-1000 (Heracles) . ... It is intended for carrying large-sized cargo up to 450 tons or passenger modules with capacity up to 1200 persons at the external suspension. It can be used as an aircraft-carrier for aerospace systems. The HERACLES aircraft can be used on non-class as well as the first class airdromes with improved (if necessary) taxi ways. The use of low pressure pneumatics enables the aircraft operation from prepared ground airfields. ...