C09 - Perceptual Errors

Question 1

Any scenario in which visual cues are absent increases the risk of ‘____’?

Answer 1

Vestibular Illusions.

Question 2

True or False. The Vestibular System assumes that Linear Accelerations of 1G relative to the body are the effects of Gravity?

Answer 2

True.

Question 3

The Vestibular System can only detect initial ‘____’?

Answer 3

Angular Accelerations.

Question 4

What causes Somatogravic Illusion?

Answer 4

Linear Accelerations.

Question 5

How does Somatogravic Illusion happen?

Answer 5

When there are no visual clues to correct misinterpretations.

Question 6

A large forward acceleration makes you feel as if you are ‘____’?

Answer 6

Pitching Up.

Question 7

A large deceleration makes you feel as if you are ‘____’?

Answer 7

Pitching Down.

Question 8

What causes Somatogyral Illusion?

Answer 8

Semicircular Canals.

Question 9

The Somatogyral Illusion is the feeling of being ‘____’ when in fact the head is still ‘____’ (2)?

Answer 9

• Stationary.

- Rotating.

Question 10

What kind of illusion is when a pilot has a strong physical sensation that you are not in the same orientation as that shown by the Aircraft Instruments?

Answer 10

The Leans.

Question 11

What important rules should pilot remember when experiencing the leans?

Answer 11

Trust you Instruments.

Question 12

When turning in an Aircraft, a Pilot should avoid any head movements as this can lead to what?

Answer 12

Coriolis Illusion.

Question 13

What is the name of the sensation of rotation occurring during flight and which is caused by multiple irritation of several Semicircular Canals at the same time?

Answer 13

Vertigo.

Question 14

What causes Autokinetic Illusion?

Answer 14

When the Eye is deprived of almost all background information.

Question 15

True or False Autokinetic Illusions under such conditions the light source can appear to move randomly?

Answer 15

True.

Question 16

During Mist, Fog and Haze, object will appear ‘____’ than they actually are?

Answer 16

Further Away.

Question 17

An upsloping runway gives the illusion that you are ‘____’ on the Approach?

Answer 17

High.

Question 18

A downsloping runway gives the illusion that you are ‘____’ on the Approach?

Answer 18

Low.

Question 19

When does the Block Hole Effect occur in flight?

Answer 19

Visual Approach at Night.

Question 20

What does the Black Hole Effect result in?

Answer 20

Being lower than usual on Approach.

Question 21

The Black Hole Effect is more pronounced on ‘____’ runways?

Answer 21

Short.

Question 22

The Black Hole Effect is most dangerous on an ‘____’ runway?

Answer 22

Upsloping.

Question 23

How can a Pilot overcome Spatial Disorientation?

Answer 23

By obtaining reliable visual references such as the True Horizon.