September 23rd, 2014, 16:23
Looks like you've already made a start Bjoern but here's a way I found around the numerous airports way back in October 2009. I split it into three 'tours', small airports, larger airports and water-ports.
It took me quite a while to complete all three 'tours'.
Edit: Oops! I just noticed all the attachments disappeared (twice) in that thread so I'll attach them again here.