The Simplex Aerospace Model 301 Fire Attack System system consists of a belly-mounted carbon fiberglass tank, which holds 787 liters (208 gallons) of water or 51 liters (14 gallons) of foam retardant. Other features of the tank include a VNE of 140 KIAS, a 1,060 liters/280 gallons per minute hover refill pump, internal foam injection system, corrosion resistant parts, cockpit controlled selectable drop patterns, and rapid installation/removal.
