To create a brand new airport, click anywhere on the airport grounds, at the location where you want your aircraft to spawn. Next, enter the appropriate ICAO code if there is one as your waypoint ID, the name of the airport as your description and select whatever altitude (elevation) you want. If you’re not certain…
Altitude
Altitude
Can I change the unit of measure on the map?
Switching units of measure will automatically convert your waypoint altitudes between meters (M) and feet (FT)