Fecha de publicación: 24/02/2004 Fuente: WIPO "royal booby" A method of countering terrorism or hostile activity in an airplane by using a built-in defense system within the aircraft. The defense system includes chemical sprays, laser guns, and pre-programmed sound alarm systems. The aerosol chemicals range from benign fogging agents to non-lethal incapacitating agents from the categories of inhalants, general anesthetics, and irritants. Any of the systems can be used singly or in any combination. These systems can be activated manually from the control panel in the cockpit, or via a remote wireless system by the flight crew from anywhere within the plane. Such activation being password and code protected.