What are the differences between blue airports and green ones on the low en-route chart?











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As far as I know, a brown airport on the low en-route chart does not have an approach procedure but blue and green airports do. But what exactly are the differences between these colors?






instrument-flight-rules aeronautical-charts







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    up vote
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    down vote

    favorite












    As far as I know, a brown airport on the low en-route chart does not have an approach procedure but blue and green airports do. But what exactly are the differences between these colors?






    instrument-flight-rules aeronautical-charts







    share|improve this question


























      up vote
      2
      down vote

      favorite









      up vote
      2
      down vote

      favorite











      As far as I know, a brown airport on the low en-route chart does not have an approach procedure but blue and green airports do. But what exactly are the differences between these colors?






      instrument-flight-rules aeronautical-charts







      share|improve this question















      As far as I know, a brown airport on the low en-route chart does not have an approach procedure but blue and green airports do. But what exactly are the differences between these colors?






      instrument-flight-rules aeronautical-charts




      instrument-flight-rules aeronautical-charts






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      edited 2 hours ago









      Pondlife

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      50k8134275










      asked 5 hours ago









      Mun Park

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          From the FAA Aeronautical Chart User's Guide:




          Facilities in BLUE or GREEN have an approved Instrument Approach
          Procedure and/or RADAR MINIMA published in either the FAA Terminal
          Procedures Publication or the DoD FLIPs. Those in BLUE have an
          Instrument Approach Procedure and/or RADAR MINIMA published at least
          in the High Altitude DoD FLIPs. Facilities in BROWN do not have a
          published Instrument Procedure or RADAR MINIMA.




          So the green ones are in the FAA TPP but not in the DoD High Altitude FLIPs.






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            1 Answer
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            up vote
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            down vote













            From the FAA Aeronautical Chart User's Guide:




            Facilities in BLUE or GREEN have an approved Instrument Approach
            Procedure and/or RADAR MINIMA published in either the FAA Terminal
            Procedures Publication or the DoD FLIPs. Those in BLUE have an
            Instrument Approach Procedure and/or RADAR MINIMA published at least
            in the High Altitude DoD FLIPs. Facilities in BROWN do not have a
            published Instrument Procedure or RADAR MINIMA.




            So the green ones are in the FAA TPP but not in the DoD High Altitude FLIPs.






            share|improve this answer

























              up vote
              3
              down vote













              From the FAA Aeronautical Chart User's Guide:




              Facilities in BLUE or GREEN have an approved Instrument Approach
              Procedure and/or RADAR MINIMA published in either the FAA Terminal
              Procedures Publication or the DoD FLIPs. Those in BLUE have an
              Instrument Approach Procedure and/or RADAR MINIMA published at least
              in the High Altitude DoD FLIPs. Facilities in BROWN do not have a
              published Instrument Procedure or RADAR MINIMA.




              So the green ones are in the FAA TPP but not in the DoD High Altitude FLIPs.






              share|improve this answer























                up vote
                3
                down vote










                up vote
                3
                down vote









                From the FAA Aeronautical Chart User's Guide:




                Facilities in BLUE or GREEN have an approved Instrument Approach
                Procedure and/or RADAR MINIMA published in either the FAA Terminal
                Procedures Publication or the DoD FLIPs. Those in BLUE have an
                Instrument Approach Procedure and/or RADAR MINIMA published at least
                in the High Altitude DoD FLIPs. Facilities in BROWN do not have a
                published Instrument Procedure or RADAR MINIMA.




                So the green ones are in the FAA TPP but not in the DoD High Altitude FLIPs.






                share|improve this answer












                From the FAA Aeronautical Chart User's Guide:




                Facilities in BLUE or GREEN have an approved Instrument Approach
                Procedure and/or RADAR MINIMA published in either the FAA Terminal
                Procedures Publication or the DoD FLIPs. Those in BLUE have an
                Instrument Approach Procedure and/or RADAR MINIMA published at least
                in the High Altitude DoD FLIPs. Facilities in BROWN do not have a
                published Instrument Procedure or RADAR MINIMA.




                So the green ones are in the FAA TPP but not in the DoD High Altitude FLIPs.







                share|improve this answer












                share|improve this answer



                share|improve this answer










                answered 4 hours ago









                TomMcW

                16.8k564155




                16.8k564155






























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