This is the audio version of an FAA Safety Briefing LiveVideo Broadcast.The original LiveVideo broadcast can be accessed at https://www.FAASafetyBriefing.com/September-October2021.html and qualifies for FAA WINGS and/or AMT Credits. After the podcast click on this link to take the quiz to earn immediate WINGS / AMT credit - https://www.faasafety.gov/gslac/ALC/course_content.aspx?enrolled=true&cID=720The September / October 2021 issue focuses on airports and airspace, which are integral parts of the National Airspace System (NAS) infrastructure. Articles in this issue explore the value of our nation’s vast array of public use airports and their importance to the communities they serve. We also highlight some critical “rules of the sky,” explore nearly a century of evolution in the NAS and review some best practices for communicating with air traffic control.