Which of the following is NOT listed as an obstacle to learning during flight instruction?

Being overconfident is not typically classified as an obstacle to learning during flight instruction, even though it can lead to complacency or poor decision-making. Instead, it can sometimes positively impact a student's performance by providing them with the confidence to apply their skills, as long as it does not cross into a territory of recklessness.

On the other hand, obstacles like impatience, fatigue, and fear of failure tend to negatively impact learning experiences. Impatience can lead students to rush through lessons without fully grasping essential concepts. Fatigue diminishes focus and retention of information, making it harder to absorb training effectively. Fear of failure can create anxiety, hindering performance by preventing the student from engaging fully during practice.

In summary, being overconfident is not recognized as an obstacle in the same way as the other emotions or states that directly inhibit concentration, understanding, or participation in the learning process during flight instructing.