I would like to flatten the terrain around this addon airport (UERP), because the hills around it overlap with the runway. Similar threads told me to use ADE, but I`m not sure how to do it and don`t seem to find the buttons that they instruct to use.
ADE that I donwloaded: https://flyawaysimulation.com/downloads/files/2662/fsx-airport-design-editor-afcad-editor-creator/
ADE that I donwloaded: https://flyawaysimulation.com/downloads/files/2662/fsx-airport-design-editor-afcad-editor-creator/

