I have in my personal collection a set of 22 different 747-200 systems training handbooks from America West Airlines. Every system from pressurization, air conditioning, engines, fuel, etc seem to be present and some have multiple volumes. Would the developers of the 747 Classic be interested in any of the information provided in these manuals? I'd be happy to scan whatever they may need if it helps with the product development. I've included a few pictures of the pressurization manual below: