The facilities that are located on an airport's airfield comprise a wide variety of technologies that together accommodate the operation of aircraft between the airport and the local airspace. Proper planning and management of the airfield and associated facilities are a necessary component of successful airport operations.

Answer the following questions

1. What are the imaginary surfaces described in FAR Part 77 (AVM4160 Chapter 4 Diagram.pdf) for? What are the dimensions of these surfaces?
2. What are the different types of signs that are located on an airfield? How are they marked? What do they mean?
3. What are some of the facilities on the airfield that help detect and communicate wind and weather information?
4. Discuss any recent Runway Accident that occurred by given suggestions of how it could have been avoided.