I cannot find a digital Chart Supplement (AF/D) glossary.

What is the length requirement to depict a runway as a dashed line vs. solid black?

The depiction for Melbourne, Florida shows one runway with a dashed line and another as solid.

At JFK, all the runways have dashed lines. What do the different depictions mean?


1 Answer 1


The glossary I'm looking at (page 13 from the current South Central US Chart Supplement) says that that style of dashed line indicates Runway Centerline Lighting. So runways that have the dashed lines have lights on the runway.

The complete chart supplements are available online from the FAA, and the glossary for each one is easily found about Page 13 for each section.

  • $\begingroup$ Look at Melbourne Florida’s two larger runways. One is dashed symbol. Other is black. Look at JFK. All runways dashed. What is a “Metal” surface? Thank you for helping. $\endgroup$
    – Rosie
    Jan 30, 2018 at 15:25
  • $\begingroup$ Thanks very much for answering that. I have the AF/D thru Fly Q and Foreflight, but no glossary $\endgroup$
    – Rosie
    Jan 30, 2018 at 15:35
  • $\begingroup$ @Rosie for metal surface see this question $\endgroup$
    – fooot
    Jan 30, 2018 at 18:02
  • $\begingroup$ Everything the FAA thinks you need to know about charts is in FAA Aeronautical Chart User's Guide. $\endgroup$
    – Gerry
    Jan 30, 2018 at 22:43
  • $\begingroup$ @Gerry: That document does not seem to cover the Chart Supplements (formerly the AF/D or green books). $\endgroup$
    – abelenky
    Jan 30, 2018 at 23:09

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