The Aeronautical Information System (AIS) is a leased weather automated system that provides a means of collecting and distributing aeronautical weather information (service A messages); processing flight plans, flight movement and control messages; entering and retrieving of Notice to Airmen (NOTAM) and other operational messages (service B) for the general and military aviation communities throughout the United States. Its geographically dispersed users include FAA facilities, military base operations (MBOs), and other remote users.The AIS workstations communicate with the server through either dedicated connectivity via Packet Switching Network (PSN) or dial-up connections.The AIS equipment located at each ARTCC consists of 4 AIS Workstations, a Catalyst 2924 Ethernet hub, and a Cisco 2610 router. The New York (ZNY) and Oakland (ZOA) ARTCCs each have 6 workstations. Each workstation consists of an IBM compatible NCS central Processing Unit (CPU), 17-inch monitor, keyboard, m