The latest versions of SeeYou have new hint boxes:
Is the airspace structure of the area you are analysing complex? Is the 2D map cluttered and you are not sure which area is covered by which airspace? Right click on the map and choose “Check Airspace here”. A drop down list of all airspaces at the location of the click will appear. Now hover your mouse over the name of the airspace and it will fill with that airspace with a bright yellow colour for you to see clearly just like in the screenshot below:
You can see the full list of minor improvements and bug fixes for the latest versions in the SeeYou Change Log.
To upgrade to the latest version please install it by following the link below: