[OSM-newbies] projection and airspace structure

[Wim de Vries]

I can only speak for the Netherlands. You are allowed to extract the data
from official publications. To get it as bulk formatted data you have to
pay.
Contrary to other OSM data, airspace structures are regulations (defining
rules for pilots).

>> Is there any interest from OSM in airspace structure data (Air traffic
>> control spaces etc.).
>
> Airspace being invisible and not signposted, there is no way of
> surveying it in the same way as we can survey roads. All airspace
> boundaries must be derived at some point from official publications and
> therefore potentially subject to copyright in some countries.
>
> There are already airspace maps available to download so it may be
> possible to get permission.
>
> Worth a question on the legal list before going too far?
>
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