Publishing of aviation education materials, namely books, text books, manuals, pilot training folders, tests, pilot and aircraft logbooks; on-line publication of aviation educational materials, namely books, manuals, educational testing; written text editing, namely revision and up-date of books and manuals; electronic publishing services, namely publication of text and graphic works for others on CD, DVD, and on-line in the field of aviation technology and management; providing flight and ground training services in the field of airplane flight instruction; education services, namely conducting aviation technology and management courses in the field of aviation at high school and above levels; aviation career counseling in the field of career counseling; development of education materials and manuals for others in the field of aviation technology and management; educational research in the field aviation technology and management; recreational services in the nature of flying activities; educational videotape and videotaping production