Describe the role of the major and national carriers. Identify some of the carriers in

each category. How did the regional carriers get started? Describe a typical regional

carrier in terms of its role in the air transportation system, type of aircra flown, and

route structure. What is meant by hub-and-spoke network? Why has the number of

regional carriers declined since deregulation? Describe some of the changes that have

taken place in this segment of the industry. What is code sharing?

5. Who is responsible for financial and traffic data collection within the Department of Transportation? Describe the role of this government bureau. What is the Interline Traffic AgreementPassenger? What is the purpose of the Air Freight Procedures Agreement and the Small Package Shipment Agreement? Describe the Universal Air Travel Plan