These are used for orientation, obviously landing guides, the others are -60 -30 0 30 and 60 degree indicators, in essence guides for pattern flying orientation,..
The first effort was a bit broken, as I used a manual editor inserting changes, end result was that one could not edit the airfield, hopefully the new one solves that and add useful extra's.
koosel updated Aeroclub Kennemerland-ls-ws-2_PI with a new update entry:
Another try, adding landing strip and pattern fly training lines
Read the rest of this update entry...
An airfield close to Alkmaar in the Netherlands, this one is enhanced with a landing spot and a windsock, these where manually added to a photo field panorama made available by some of the club members,...