FIELD: aeronautical engineering; fire aeroplanes. SUBSTANCE: amphibian includes water reservoirs, water passages, water scoop, chemical fluid reservoir and fuel reservoir. Amphibian is also provided with automatic control system for filling the water reservoir with water and feeding the chemical fluid in required proportion. Automatic control system includes fuel-contents sensors fitted in fuel reservoirs, water level indicators fitted in water reservoirs, overflow valves fitted on vertical walls of water reservoirs, chemical fluid proportioning mechanism fitted in chemical fluid reservoirs and computer sensing commands to actuating mechanisms of system. EFFECT: enhanced reliability. 1 dwg
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