Human Factors

Question 1

What is an autokinetic illusion?

Answer 1

• Gives you the impression that a stationary object is moving in front of the aircraft’s path.
• Caused from fixating on a single point of light on a dark featureless background
• can cause misconception that the light will collide with your aircraft

Question 2

What visual illusions can rain on the windscreen cause?

Answer 2

• can make you think you’re higher than you are
• runway may appear shorter
• things appear farther away
• approach lights appear lower
• in general you seem higher and farther away

Question 3

What is a vection illusion?

Answer 3

If an object in your peripheral starts moving you may feel like you’re moving instead.

Question 4

What is a white out?

Answer 4

Weather condition that causes disorientation and low visibility by snow, overcast cloud and fog. Horizon disappears and you can become disoriented

Question 5

Which illusion is most likely to occur while tilting your head down to check a chart during a turn?

Answer 5

Coriolis illusion

Question 6

What is the coriolis illusion?

Answer 6

sudden tilting (forward or backwards) of the pilot’s head while the aircraft is turning.
Can happen while tilting your head down to look at chart or looking up at instruments, and can cause pilot to quickly become disoriented and lose control

Question 7

When a local anesthetic is used for an extensive dental procedure, pilots should wait how long?

Answer 7

24 hrs

Question 8

if blood has been donated the pilot should wait at least

Answer 8

Recommend that you do not donate blood (in COM)

At least 48 hrs

Question 9

When is official night?

Answer 9

Between end of evening civil twilight and morning civil twilight (about 30 min after sundown to 30 min before sunup)