What determines what size aircraft can use an airport?
For example, Rome Ciampion CIA only allows up to a large aircraft? 
			
			
			
				Here. Scroll down to airport classification 
 https://manual.airwaysim.com/simulation-documentation/about-airports (https://manual.airwaysim.com/simulation-documentation/about-airports)
			
			
			
				WOW - I'm so impressed with the improvements Sami has made to the Game Manual