DA40 Diamond Star
Flight Crew Flight Instructor; Flight Crew Commercial
Flight Crew Last 90 Days 94; Flight Crew Total 1330; Flight Crew Type 900
Other / Unknown; Situational Awareness; Time Pressure; Workload; Communication Breakdown; Distraction
Conflict NMAC; Deviation / Discrepancy - Procedural Published Material / Policy
Flight Crew Took Evasive Action
Human Factors
During the afternoon; my student and I were practicing touch-and-go landings at ZZZ. While we were on the departure leg of the third touch-and-go; I heard Aircraft Y make his first call that he was about to enter the pattern. My student made her crosswind turn and made a radio call; self-announcing her position in the crosswind over CTAF. Upon making the downwind turn; we noticed that Aircraft Y was also quickly approaching the 45-to-downwind turn via the ADS-B In function on our MFD.Visibility was hindered due to smoke in the air as well as the sun being in the same direction as the oncoming traffic. I looked to my right side to spot traffic and noticed him approaching our aircraft. I took control of the aircraft and made a bank to the left to avoid the traffic coming from the right. I estimate that Aircraft Y passed behind our aircraft at a distance of 300-400 ft. It appeared that Aircraft Y was descending into the traffic pattern at a higher-than-normal speed for the aircraft. We estimated his ground speed on the 45 entry to be 120-140 kt. After he passed behind us; we re-established on the downwind and executed another touch-and-go before departing the pattern.
DA40 Flight Instructor reported a NMAC event with another aircraft while the student pilot was practicing touch and go's at a non-towered airport.