IFR Enroute

The National Airspace System (NAS) is the network of United States airspace: air navigation facilities, equipment, services, airports or landing areas, aeronautical charts, information/services, rules, regulations, procedures, technical information, manpower, and material.

This chapter is a general discussion of:

• Airspace classification
• Instrument charts
• En-route and terminal procedures.

Click on the following button to start the lesson. Once you complete the lesson, close the tab and return to this course. Make sure you mark completed when you are done. This will help you to track your progress.