Avoiding Mid-Airs: Safety in the Practice Area
We were about to turn base to final at the non-towered airport when another pilot reported he was on final — but a few miles out. I didn’t see him. Chapter 1 of the FAA’s Airplane Flying Handbook (FAA-H-8083-3C) notes that all pilots should practice the concept of see and avoid other traffic.
Source: flyingmag.com