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VFR Chart – East coast low control area

Asked by: 5242 views Airspace

When you look carefully along the Florida shoreline you will find Two blue bold jogged lines or a Zipper
line designed like a ribbon, which classify as a Class E Airspace extend from 1300' MSL. also North of EYW area difference size and shape

What is this ribbon for? What we need to know before crossing this area from the country and back?

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1 Answers



  1. Wes Beard on Dec 03, 2013

    I’m not quite sure what you are getting at here. There is a lot of information displayed just north of Key West. The bold blue jagged line is the designation for the floor of Class E airspace.

    The thin blue line with dots on the inside of the area indicate a wilderness area and to protect the wildlife and such planes are requested to fly no lower than 2,000′ AGL over those areas.

    I think you really want to know why there are multiple jagged lines in this area. Those bold blue jagged lines indicated where different floors of Class E airspace. You could be in a blue shaded area (indicated Class E starting at 1200′ AGL) and then cross this “ribbon” and the floor will increase to that specified. Below that altitude, Class G exists.

    Everything you ever wanted to know about FAA charts: http://aeronav.faa.gov/index.asp?xml=aeronav/applications/digital/aero_guide

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