Ppl – Human Performance
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- 1.During a night flight, you observe a steady red light and a flashing red light ahead and at the same altitude. What is the general direction of movement of the other aircraft?
- A.
The other aircraft is crossing to the left.
- B.
The other aircraft is crossing to the right.
- C.
The other aircraft is approaching head-on.
- 2.During a night flight, you observe steady red and green lights ahead and at the same altitude. What is the general direction of movement of the other aircraft?
- A.
The other aircraft is crossing to the left.
- B.
The other aircraft is flying away from you.
- C.
The other aircraft is approaching head-on.
- 3.During a night flight, you observe a steady white light and a flashing red light ahead and at the same altitude. What is the general direction of movement of the other aircraft?
- A.
The other aircraft is flying away from you.
- B.
The other aircraft is crossing to the left.
- C.
The other aircraft is crossing to the right.
- 4.The best method to use when looking for other traffic at night is to
- A.
Look to the side of the object and scan slowly.
- B.
Scan the visual field very rapidly.
- C.
Look to the side of the object and scan rapidly.
- 5.The most effective method of scanning for other aircraft for collision avoidance during nighttime hours is to use
- A.
Regularly spaced concentration on the 3-, 9-, and 12-o'clock positions.
- B.
A series of short regularly spaced eye movements to search each 30-degree sector.
- C.
Peripheral vision by scanning small sectors and utilizing off center viewing.
- 6.Large accumulations of carbon monoxide in the human body result in
- A.
Tightness across the forehead.
- B.
Loss of muscular power.
- C.
An increased sense of well-being.
- 7.Which statement best defines hypoxia?
- A.
A state of oxygen deficiency in the body.
- B.
An abnormal increase in the volume of air breathed.
- C.
A condition of gas bubble formation around the joints or muscles.
- 8.The most effective method of scanning for other aircraft for collision avoidance during daylight hours is to use
- A.
Regularly spaced concentration on the 3-, 9-, and 12-o'clock positions.
- B.
A series of short regularly spaced eye movements to search each 10-degree sector.
- C.
Peripheral vision by scanning small sectors and utilizing off center viewing.
- 9.Rapid or extra deep breathing while using oxygen can cause a condition known as
- A.
Hyperventilation.
- B.
Aero sinusitis.
- C.
Aerotitis.
- 10.Which technique should a pilot use to scan for traffic to the right and left during straight-and-level flight?
- A.
Systematically focus on different segments of the sky for short intervals.
- B.
Concentrate on relative movement detected in the peripheral vision area.
- C.
Continuous sweeping of the windshield from right to left.
- 11.How can you determine if another aircraft is on a collision course with your aircraft?
- A.
The other aircraft will always appear to get larger and closer at a rapid rate.
- B.
The nose of each aircraft is pointed at the same point in space.
- C.
There will be no apparent relative motion between your aircraft and the other aircraft.
- 12.If a pilot experiences spatial disorientation during flight in a restricted visibility condition, the best way to overcome the effect is to
- A.
Rely upon the aircraft instrument indications.
- B.
Concentrate on yaw, pitch, and roll sensations.
- C.
Consciously slow the breathing rate until symptoms clear and then resume normal breathing rate.
- 13.Pilots are more subject to spatial disorientation if
- A.
They ignore the sensations of muscles and inner ear.
- B.
Body signals are used to interpret flight attitude.
- C.
Eyes are moved often in the process of cross-checking the flight instruments.
- 14.A person may not act as a crewmember of a civil aircraft if alcoholic beverages have been consumed by that person within the preceding
- A.
8 hours.
- B.
12 hours.
- C.
24 hours.
- 15.Which is true regarding the presence of alcohol within the human body?
- A.
A small amount of alcohol increases vision acuity.
- B.
An increase in altitude decreases the adverse effect of alcohol.
- C.
Judgment and decision-making abilities can be adversely affected by even small amounts of alcohol.
- 16.Why is hypoxia particularly dangerous during flights with one pilot?
- A.
Night vision may be so impaired that the pilot cannot see other aircraft.
- B.
Symptoms of hypoxia may be difficult to recognize before the pilot's reactions are affected.
- C.
The pilot may not be able to control the aircraft even if using oxygen.
- 17.Which statement is correct regarding the use of cockpit lighting for night flight?
- A.
Reducing the lighting intensity to a minimum level will eliminate blind spots.
- B.
The use of regular white light, such as a flashlight, will impair night adaptation.
- C.
Coloration shown on maps is least affected by the use of direct red lighting.
- 18.What action should be taken if hyperventilation is suspected?
- A.
Breathe at a slower rate by taking very deep breaths.
- B.
Consciously breathe at a slower rate than normal.
- C.
Consciously force yourself to take deep breaths and breathe at a faster rate than normal.
- 19.Which would most likely result in Hyperventilation?
- A.
Emotional tension, anxiety or fear.
- B.
The excessive consumption of alcohol.
- C.
An extremely slow rate of breathing and insufficient oxygen.
- 20.A pilot should be able to overcome the symptoms or avoid future occurrences of hyperventilation by
- A.
Closely monitoring the flight instruments to control the airplane.
- B.
Slowing the breathing rate, breathing into a bag, or talking aloud.
- C.
Increasing the breathing rate in order to increase lung ventilation.
- 21.The danger of spatial disorientation during flight in poor visual conditions may be reduced by
- A.
Shifting the eyes quickly between the exterior visual field and the instrument panel
- B.
Having faith in the instruments rather than taking a chance on the sensory organs.
- C.
Leaning the body in the opposite direction of the motion of the aircraft.
- 22.A state of temporary confusion resulting from misleading information being sent to the brain by various sensory organs is defined as
- A.
Spatial disorientation
- B.
Hyperventilation
- C.
Hypoxia
- 23.What effect does haze have on the ability to see traffic or terrain features during flight?
- A.
Haze causes the eyes to focus at infinity.
- B.
The eyes tend to overwork in haze and do not detect relative movement easily.
- C.
All traffic or terrain features appear to be farther away than their actual distance.
- 24.What preparation should a pilot make to adapt the eyes for night flying?
- A.
Wear sunglasses after sunset until ready for flight.
- B.
Avoid red light up to 30 minutes before the flight.
- C.
Avoid bright white lights at least 30 minutes before the flight.
- 25.Hypoxia susceptibility due to inhalation of carbon monoxide increases as
- A.
Humidity decreases.
- B.
Altitude increases.
- C.
Oxygen demand increases.
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