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).

slowing the breathing rate, breathing into a paper bag, or talking aloud. increasing the breathing rate in order to increase lung ventilation. breathing spontaneously and deeply or gaining mental control of the situation.

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

Aerosinusitis. Hyperventilation. Aerotitis.

Aerosinusitis. Aerotitis. Hyperventilation.

slowing the breathing rate, breathing into a bag, or talking aloud. increasing the breathing rate in order to increase lung ventilation. closely monitoring the flight instruments to control the airplane.