When must the three take offs and landings for night operations be performed?

The requirement for performing three takeoffs and landings for night operations is focused on ensuring that a pilot is adequately trained for flying in low-light conditions. The regulation specifies that these maneuvers must occur during the time frame of 1 hour after sunset to 1 hour before sunrise. This time period is strategically chosen because it encompasses the hours when visibility is significantly reduced, enabling pilots to gain experience in darkness while adhering to safety standards. By practicing during this specific timeframe, pilots can develop the skills necessary to handle aircraft operations during night conditions, which can differ markedly from day operations.

Other options suggest different time frames that either extend beyond regulated night operations or do not provide a sufficient range of low-light flying experience. Therefore, focusing on the designated timeframe ensures that pilots are properly prepared for night flying, which is crucial for flight safety.