Narrative:

While preparing to depart runway 14 in ZZZ; an aircraft was on downwind about to turn base as we were holding short of the runway; number two for departure behind a low wing training aircraft. We received our radar release and it came with a 5 minute void time. The low wing aircraft departed ahead of us and we took the runway for departure immediately as the aircraft was wheels up. The departing aircraft offset to the right so we could depart before our void time which was much appreciated. The aircraft that was on downwind was now on a mid-left base for runway 14 and both the PIC (pilot-in command) and sic (second-in-command) determined spacing was more than appropriate from our experience flying in busy uncontrolled airspace. Upon application of power and through about 30 knots; the aircraft which was now on final came over the radio and said we had cut them off and was going around. I do not believe that the aircraft on final had to go around due to my history with instructing and flying light GA aircraft at uncontrolled airports but that was pilot's choice. My main concern about the aircraft on final going around was we were unable to see them on our climb out as the pc-12 does not have a back window. I directed the pilot flying; the first officer (first officer); level off at 400 feet as I was sure the aircraft did not off-set on the go around and we did not know where he was at this point. I wanted to accelerate away from him just in case he was closer then we both thought. I used the traffic advisory system in the pc-12 to assist when it was safe to climb to our initial altitude of 3000 [feet] when the aircraft was at least 2+ miles behind us. In my opinion; the aircraft going around created an undue hazard to a departing aircraft; both my first officer and I were very surprised that the aircraft went around as we both determined prior to taking the runway we had enough time and spacing was good. We are not sure if the aircraft was flying a tighter pattern then normal; maybe they were; but their position reports did not announce they were doing a short approach or any maneuver that was not a standard traffic pattern. There is also a possibility that the aircraft was a solo flight since the airport was a flight school and the student's lack of experience made him execute a go-around when it was not required.

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Original NASA ASRS Text

Title: PC-12 Captain reported a traffic conflict during takeoff with another aircraft at a non-towered airport.

Narrative: While preparing to depart Runway 14 in ZZZ; an aircraft was on downwind about to turn base as we were holding short of the runway; number two for departure behind a low wing training aircraft. We received our radar release and it came with a 5 minute void time. The low wing aircraft departed ahead of us and we took the runway for departure immediately as the aircraft was wheels up. The departing aircraft offset to the right so we could depart before our void time which was much appreciated. The aircraft that was on downwind was now on a mid-left base for Runway 14 and both the PIC (Pilot-in Command) and SIC (Second-in-Command) determined spacing was more than appropriate from our experience flying in busy uncontrolled airspace. Upon application of power and through about 30 knots; the aircraft which was now on final came over the radio and said we had cut them off and was going around. I do not believe that the aircraft on final had to go around due to my history with instructing and flying light GA aircraft at uncontrolled airports but that was pilot's choice. My main concern about the aircraft on final going around was we were unable to see them on our climb out as the PC-12 does not have a back window. I directed the pilot flying; the FO (First Officer); level off at 400 feet as I was sure the aircraft did not off-set on the go around and we did not know where he was at this point. I wanted to accelerate away from him just in case he was closer then we both thought. I used the traffic advisory system in the PC-12 to assist when it was safe to climb to our initial altitude of 3000 [feet] when the aircraft was at least 2+ miles behind us. In my opinion; the aircraft going around created an undue hazard to a departing aircraft; both my FO and I were very surprised that the aircraft went around as we both determined prior to taking the runway we had enough time and spacing was good. We are not sure if the aircraft was flying a tighter pattern then normal; maybe they were; but their position reports did not announce they were doing a short approach or any maneuver that was not a standard traffic pattern. There is also a possibility that the aircraft was a solo flight since the airport was a flight school and the student's lack of experience made him execute a go-around when it was not required.

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.