The Russians classify it as Ekranoplan Class B – it can achieve an altitude of , placing it between Class A – which is limited to ground effect, and Class C, which exploits the ground effect only during take-offs and landings and otherwise functions as a typical airplane.
The Russians classify it in the Ekranoplan Class B – it can achieve an altitude of , bridging Class A, limited to ground effect, with Class C, utilizing ground effect solely during take-offs and landings and acting like a typical airplane elsewhere.