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Probably a silly question...

Hello all,


I have a question (possibly silly...) regarding airspace types and also restricted areas when using the World VFR charts here at SkyVector. I am used to the symbology of the Sectional charts of the US, but I don't understand the World VFR ones... I tried to research online about the symbology used in, let's say, the UK, but it still doesn't match the one used here at SkyVector! For instance, both this guide ( http://www.caa.co.uk/docs/64/VFR_Guide_2011.pdf ) and this legend ( http://www.tvhgc.co.uk/files/a4_legend_500k.pdf ) use a different symbology for airspaces (A=continuous magenta line with shadows inside, C=continuous then ticked dark blue line with shadows inside, etc...).


Am I missing something here? Sorry, but I am new to both aviation and also to SkyVector. I would really appreciate any kind of help or advice.


Thank you all,



Mr. Gilberto,


Regarding anything to do with aviation, I would recommend asking a specific question. But be ready for many opinions anyway.


Best Regards,


Not silly at all


I have been thinking about how best to answer this question, and the best I can say is “wait a while.”


We are struggling with how to represent different countries' airspace concepts in a consistent manner.


Our original goal of representing the world's airspace using US FAA symbology is, we now admit, not realistic.


In the next few months, we will be rolling a new version of the World VFR, which will use line styling to differentiate between CTRs and CTAs (or TMAs), and handle the Class designation with labeling, and use a shaded inner ring to indicate ATC comms required.


We still are undecided as to how to depict Classes E, G, and F areas. These questions are made more difficult by the inconsistent quality of our data from country to country.


The really difficult part is how to handle all of the country-specific stuff. We think we can make a World chart that makes sense to the local pilots of the particular country, but we are unsure of how to graphically explain to a foreign pilot what an English ATZ is or what German Class F airspace means.


Therefore our first challenge is to fix the World VFR so that it correctly and thoroughly explains the airspace for local VFR pilots. The challenge after that is to produce a user guide or legend that explains the symbology to a pilot unfamiliar with the local airspace customs.


This is why these charts are still considered “Beta” products. We hope to one day declare that they are good enough to navigate by, but that day is not here yet.


In the mean time, please let us know of any issues you have with the charts. Whether it be incorrect information, unclear symbology, or ambiguous labeling... we want to know about it.



Thank you both for your answers, I apprecieted the feedback. And Dave, this idea of creating the World VFR charts according to local notation is fantastic, I wish you guys very good luck with it. Thanks a lot and take care!