You can turn the display of airspace on and off by toggling the “A” button at the bottom of the SeeYou window:

You can also show or hide individual airspace files if you select them in Tools > Airspace dialog.
You can turn the display of airspace on and off by toggling the “A” button at the bottom of the SeeYou window:
You can also show or hide individual airspace files if you select them in Tools > Airspace dialog.