All material appearing on Aerofiles is a product of fifty years of research, note-taking, and data-gathering. It is covered by an international publishers’ copyright in order to protect the intellectual property of their contributors. At this website you will find two specific categories that will help you navigate: Codes that explain their style of “avspeak”, and Index of Pages that contains most of the features alphabetically so that you can find things faster. If not, you can browse the site by its many categories located at the left hand side of the homepage. These categories are Aerofiles, Aircraft A-Z, Air Lines, Air Museums, Air Racing, Biographies, Chronology, Civil Airports, Data Codes, Engines, Features, Glossary, Hot Air Club, Index of Pages, Light Side, and much more. At the photo gallery, the listing available is revised as new material is added. They are not links, but rather an inventory of pictures appearing in the main entries under their parent names, and do not include pictorial matter on other pages.