Narrative:

I had been doing pattern work on runway xx for about 45 minutes. All radio calls were made for each phase of flight; including upwind. As I was doing my sweep for traffic on final; and announcing at the same time; as my scan moved from the right back to forward; I noticed aircraft Y just below me on a straight in approach to runway xx. I immediately pulled up and turned right. I continued the right turn back to final and saw aircraft Y landing on runway xx. No radio announcements were made by aircraft Y. At the altitude I was above aircraft Y; I did not feel like we would have hit at that time; but had I not been above him and not able to see him; we very well could have hit as we got closer to the runway.while not required to fly a standard pattern by entering the pattern level on the 45; I believe requiring this type of pattern entry would increase safety. Just flying straight in with no radio calls; and without any regard for traffic in the pattern creates a hazardous situation.

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Original NASA ASRS Text

Title: RV12 pilot reported an NMAC with another light aircraft in the pattern at an uncontrolled airport.

Narrative: I had been doing pattern work on RWY XX for about 45 minutes. All radio calls were made for each phase of flight; including upwind. As I was doing my sweep for traffic on final; and announcing at the same time; as my scan moved from the right back to forward; I noticed Aircraft Y just below me on a straight in approach to RWY XX. I immediately pulled up and turned right. I continued the right turn back to final and saw Aircraft Y landing on RWY XX. No radio announcements were made by Aircraft Y. At the altitude I was above Aircraft Y; I did not feel like we would have hit at that time; but had I not been above him and not able to see him; we very well could have hit as we got closer to the runway.While not required to fly a standard pattern by entering the pattern level on the 45; I believe requiring this type of pattern entry would increase safety. Just flying straight in with no radio calls; and without any regard for traffic in the pattern creates a hazardous situation.

Data retrieved from NASA's ASRS site and automatically converted to unabbreviated mixed upper/lowercase text. This report is for informational purposes with no guarantee of accuracy. See NASA's ASRS site for official report.