Sorry. I do not understand where I get the PDF charts from, when you say - 3) Upload charts in PDF format to your personal area http://haversine.com/charts.Where do I find the PDF charts please?
I have charts in Navigraph do I have to export the charts somehow from Navigraph to my Air Account?
Thanks
John

You need to have charts in PDF format on your computer.

You then long to your account on the website and go to http://haversine.com/charts

There you select Create New and start uploading. Entering a name without a PDF will create a directory.

You then login to your Air Account and your online charts will appear there.

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The PDF charts can come from different sources. You can get them from VATSIM/IVAO web sites, you can get them from the specific country AIPs, For the UK for example you can get them form: http://www.nats-uk.ead-it.com/ For the US you can get them from the FAA website. They are generally free.

If you have Navigraph charts and a Navigraph subscription you will have to find a way of exporting them to PDF. You then import them to your Air Account online.

So there is no one unique source of charts; it is whichever source you happen to use.

Sorry about it not being very clear,
joao @ haversine