physiological factors

The pilot is lazy and rushes to get done quickly. The pilot hurries to get done in order to rest. Fatigue may not be apparent to a pilot until serious errors are made (an impaired pilot is a dangerous pilot).

concentrate on relative movement detected in the peripheral vision area. systematically focus on different segments of the sky for short intervals. continuously scan the sky from right to left.

An extremely slow rate of breathing and insufficient oxygen. Emotional tension, anxiety, or fear. The excessive consumption of alcohol.