Erickson Aircrane has a license from Sikorsky to build new S-64F Aircrane helicopters from scratch. They also have acquired some from military surplus, adding a tank that can hold 2,650 gallons of water or retardant.
HERE is a link to an interesting article written by the Oshkosh air show that provides more details about this ugly (some say) but beautifully effective firefighting machine.
