Hi Peter!
It looks great - nice and clean - and with a good color selection!
I really have to say that what is missing (but probably you already know) is the conterpart of the
Next button on the aircraft profiles pages

I know that I could use the browser back button, but it is more user friendly
About your color profiles, have you tried to publish them? They would look smashing on a glossy paper

Keep up the good work

Skipper