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VISUAL ILLUSIONS. ARIZONA ARMY NATIONAL GUARD ARMY AVIATION SUPPORT FACILITY #1 PHOENIX, ARIZONA. False Vertical/Horizontal Cues (False Horizon). Occurs when the pilot subconsciously chooses the wrong reference point for orientation. Fascination/Fixation. TASK SATURATION. TARGET HYPNOSIS.

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visual illusions

VISUAL ILLUSIONS

ARIZONA ARMY NATIONAL GUARD

ARMY AVIATION SUPPORT FACILITY #1

PHOENIX, ARIZONA

slide2

False Vertical/Horizontal Cues(False Horizon)

Occurs when the pilot subconsciously chooses the

wrong reference point for orientation

slide4

Fascination/Fixation

TASK SATURATION

TARGET HYPNOSIS

slide5

Flicker Vertigo

Caused by sunlight flickering through rotor blades

Rotating beacons reflecting against an overcast sky

or against the windscreen

slide6

Confusion with Ground Lights

  • Along seashores or rural areas
  • Ground lights may be perceived as celestial lights
  • Celestial lights may be perceived as ground lights
slide7

Relative Motion

Falselyperceived self-motion in relation to

the real motion of another object

altered planes of reference
ALTERED PLANES OF REFERENCE
  • Inaccurate sense of altitude, attitude, or flight path
  • Mountains / Valleys
slide10

Structural Illusion

The phenomenon in which objects become

distorted when visual obscurants are present

such as rain, snow, sleet, or the curvature of a

wind screen

slide11

HEIGHT/DEPTH

PERCEPTION

Do to a lack of visual cues, the pilots or crew members may perceive that they are higher than they actually are

slide14

Crater Illusion

CRATER ILLUSION

An illusion that the aircraft is landing into a hole or crater, created when the search light is positioned too far under the nose of the aircraft

slide15

Size- Distance Illusion

Am I too

Low ?

Large Wide Runway

24

Narrow Runway

Am I too High ?

24

slide17

Autokinetic Illusion

Occurs when a static light appears to move

when it is stared at for several seconds

slide18

REVERSABLE PERSPECTIVE

At night, an aircraft may appear to be going away when it is actually approaching

slide20
QUIZ

Click on the link below to access the

Visual Illusions Quiz

http://ang.quizstarpro.com

Log-in and Click “Search” Tab

Class Name = Visual Illusions