You can access the Runways through the Stations icon:
Introduction
Runways can be found within the Station window, on the CONSTRUCTIONS tab. You will then find the Runways sub-tab. To add, delete, and maintain runways navigate to:
Station > AD Name > Constructions > Runways.
Runway information can be entered in the Voyage Reporting.
Adding a runway
1. Select the airport (station) first.
2. Select the Constructions tab and press the NEW button.
3. The following window appears, which allows you to populate that data according to your AIP or chart provider.
Note: The minimum information required are Name, Shortcode, and Category.