How ATC sees you

How radar finds an aircraft with a signal and its echo, and what the transponder adds: a four-digit code and the height. You learn what squawk means, the code for flying by sight, and the three emergency codes.

What you learn

• Explain how radar finds an aircraft
• Say what a transponder sends back
• Explain what ATC means by squawk
• Name the code for flying by sight in Europe
• Name the three emergency codes

In playlists

• Navigation
• Aircraft and systems

Also on

• Video course: Aviation for beginners
• Glossary: Transponder
• Wiki: Transponder
• Wiki: Radar