Automatic Dependent Surveillance-Broadcast (ADS-B).  Automatic Terminal Information Service (ATIS). A  Center Radar ARTS Presentation/Processing (CENRAP).  Chart Supplement (CS or d-CS for digital Chart Supplement).  G-2  Charted Visual Flight Procedure (CVFP). A CVFP may be  established at some towered airports for environmental  or noise considerations, as well as when necessary for the  safety and efficiency of air traffic operations. Designed  primarily for turbojet aircraft, CVFPs depict prominent  landmarks, courses, and recommended altitudes to specific  runways.  Regional booklets published by Aeronautical Information  Services that provides general information (graphic and  textual) about all airports, both VFR and IFR (in the A/FD  section), Notices, Associated Data and Airport Diagrams.  The A/FD section includes runway length and width,  runway surface, load bearing capacity, runway slope,  airport services, and hazards such as birds and reduced  visibility.  Changeover Point (COP). A COP indicates the point where  a frequency change is necessary between navigation aids,  when other than the midpoint on an airway, to receive  course guidance from the facility ahead of the aircraft  instead of the one behind. These COPs divide an airway  or route segment and ensure continuous reception of  navigational signals at the prescribed minimum en route  IFR altitude.  CENRAP was developed to provide an alternative to a  non-radar environment at terminal facilities should an ASR  fail or malfunction. CENRAP sends aircraft radar beacon  target information to the ASR terminal facility equipped  with ARTS.  recorded broadcast available at most airports with an  operating control tower that includes crucial information  about runways and instrument approaches in use, specific  outages, and current weather conditions, including visibility.  A surveillance system that continuously broadcasts GPS  position information, aircraft identification, altitude,  velocity vector, and direction to all other aircraft and air  traffic control facilities within a specific area. Automatic  dependent surveillance-broadcast (ADS-B) information  is displayed in the flight deck via a flight deck display of  traffic information (CDTI) unit, providing the pilot with  greater situational awareness. ADS-B transmissions also  provides controllers with a more complete picture of traffic  and updates that information more frequently than other  surveillance equipment.  Approach Gate. An imaginary point used by ATC to vector  aircraft to the final approach course. The approach gate  is established along the final approach course 1 NM from  the final approach fix (FAF) on the side away from the  airport and is located no closer than 5 NM from the landing  threshold.  Area Navigation (RNAV). A method of navigation that  permits aircraft operations on any desired course within  the coverage of station referenced navigation signals or  within the limits of self contained system capability.  Automated Surface Observing System (ASOS)/Automated  Weather Sensor System (AWSS). The ASOS/AWSS is the  primary surface weather observing system of the U.S.  Automated Surface Observing System (ASOS). A weather  observing system that provides minute-by minute weather  observations, such as temperature, dew point, wind, altimeter  setting, visibility, sky condition, and precipitation. Some  ASOS stations include a precipitation discriminator that can  differentiate between liquid and frozen precipitation.  Automated Weather Observing System (AWOS). A suite  of sensors that measure, collect, and disseminate weather  data. AWOS stations provide a minute-by-minute update  of weather parameters, such as wind speed and direction,  temperature and dew point, visibility, cloud heights and types,  precipitation, and barometric pressure. A variety of AWOS  system types are available (from AWOS 1 to AWOS 3), each  of which includes a different sensor array.  Automated Weather Sensor System (AWSS). The AWSS  is part of the Aviation Surface Weather Observation Network  suite of programs and provides pilots and other users  with weather information through the Automated Surface  Observing System. The AWSS sensor suite automatically  collects, measures, processes, and broadcasts surface  weather data.  Automated Weather System. Any of the automated  weather sensor platforms that collect weather data at  airports and disseminate the weather information via  radio and/or landline. The systems currently consist of the  Automated Surface Observing System (ASOS), Automated  Weather Sensor System (AWSS), and Automated Weather  Observation System (AWOS). 