ICEFLAGS

Question 1

Inversion Illusion

Answer 1

A rapid transition from a climb to level flight can make you feel like you’re tumbling backward because your inner ear lags behind the actual motion.

Question 2

Coriolis Illusion

Answer 2

Quick head movements during a prolonged turn can cause your inner ear fluids to create a false sensation of rotation on another axis.

Question 3

Elevator Illusion

Answer 3

Sudden vertical accelerations—such as an updraft or downdraft—can trick you into feeling as if you’re climbing or descending, even when your altitude hasn’t changed.

Question 4

False Horizon

Answer 4

Something in the night that resembles a horizon but is not

Question 5

Leans

Answer 5

If you exit a slow, unperceived turn abruptly, you may feel as if you’re banking in the opposite direction, even though the aircraft is level.

Question 6

AutoKineses Illusion

Answer 6

Staring at a stationary light at night can cause it to appear to move, which may prompt an erroneous control input.

Question 7

Graveyard Spiral

Answer 7

A prolonged, unnoticed turn can leave you disoriented so that when you try to correct it, you overcompensate, tightening the turn and losing altitude.

Question 8

Somatogravic Illusion

Answer 8

Rapid acceleration or deceleration can create a false sensation of a pitch change, leading you to make an inappropriate nose-up or nose-down adjustment

Question 9

What color eyes receive less light than others

Answer 9

Darker colors