Finmeccanica AW139 Fire Attack System
Simplex Model 326 GII
The Simplex Aerospace Model 326 GII Fire Attack aerial firefighting system is the 2nd generation firefighting tank for the Finmeccanica AW139 helicopter. The GII system consists of a belly-mounted tank and a DC hover refill pump and hose. The belly tank is manufactured from high-strenth, low-weight carbon fiberglass material and holds 1,893 liters (500 gallons) of water.
Features of the tank include pilot friendly controls, selectable drop patterns, internal foam injection, corrosion resistant parts, cockpit camera system, and rapid installation and removal. The GII system holds 20% more water and weighs 3% less than the previous 326 model. The GII is approved to fly at 140 KIAS with hover pump installed and 150 KIAS with hover pump removed.