8. Why is the general aviation support industry like a three-legged milk stool? Discuss the important interrelationship among manufacturers, the service industry, and users.

Name six general aviation aircraft manufacturers. Why are the FBOs considered the backbone of general aviation? Describe six or seven services provided by a typical medium-size FBO. Distinguish between a large or medium-size FBO and a small mom-and-pop operator. What are some of the special FBOs at a typical public-use airport? What is the primary reason for the tremendous decline in the number of FBOs during the 1980s and early 1990s? What is happening with FBO growth in the early 2000s?