The Global Supertanker is equipped with a pressurized liquid drop system, which can disperse fire retardant under high pressure or drop retardant at the speed of falling rain. Using the pressurized system, the aircraft can deliver retardant to the scene of a fire while flying at a height of 400 to 800 feet (120–240 m), at approximately 160 mph (260 km/h; 140 kn), configured as if it were on approach for landing. The Supertanker's tank system can be configured for segmented drops, allowing the contents of the tank to be released at multiple intervals while in flight. The aircraft is capable of laying down a swath of fire retardant 3 mi (4.8 km) long and as wide as 150 ft (46 m).

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