In [Italy][1], I came across some runway reference like ref=18/36d I suppose the meaning of "d" "**d**" is for "decollo" "**d**ecollo" ("takeoff"). Is that desirable? Is this information not to be mapped, since [not observable aviation data][2]? Otherwise, how can I define it? [1]: http://overpass-turbo.eu/s/12NG [2]: https://wiki.openstreetmap.org/wiki/Aviation#Things_Not_to_Map

In [Italy][1], I came across some runway reference like ref=18/36d I suppose the meaning of "d" is for "decollo" ("takeoff"). Is that desirable? Is this information not to be mapped, since [not observable aviation data][2]? Otherwise, how can I define it? [1]: http://overpass-turbo.eu/s/12NB http://overpass-turbo.eu/s/12NG [2]: https://wiki.openstreetmap.org/wiki/Aviation#Things_Not_to_Map

In [Italy][1], I came across some runway reference like ref=18/36d I suppose the meaning of "d" is for "decollo" ("takeoff"). Is that desirable? Is this information not to be mapped, since [not observable aviation data][2]? Otherwise, how can I define it? [1]: http://overpass-turbo.eu/s/12NB [2]: https://wiki.openstreetmap.org/wiki/Aviation#Things_Not_to_Map