ACTUAL Exam Questions and CORRECT
Answers
What are the three primary sources of orientation in aviation? - CORRECT ANSWER -
Proprioception, visual, vestibular
What percentage of inflight orientation does vision provide? - CORRECT ANSWER -
90%
Proprioceptive senses allow humans to sense what? - CORRECT ANSWER - movement
and body position
Vestibular senses allow humans to sense what? - CORRECT ANSWER - angular
acceleration
What two components make up the vestibular apparatus? - CORRECT ANSWER - Otolith
organs and semi-circular canals
What would be the speed of a turn for sub-threshold acceleration? - CORRECT
ANSWER - Less than 3 degrees per second
What are the two main components of human visual systems? - CORRECT ANSWER -
Peripheral and Central
What are the three phases of vision? - CORRECT ANSWER - Photopic (day)
Scotopic (night)
Mesopic (Intermediate)
, Where is peak visual acuity located? - CORRECT ANSWER - Central vision, central 2
degree cone
How large is human perceptible field of view? - CORRECT ANSWER - 120 x 120
degrees
Where is the night visual blind spot located on the visual field? - CORRECT ANSWER -
Within 2 degrees cone of central vision
What are the two technologies used for enhanced vision systems? - CORRECT
ANSWER - Light intensification and Infared
What is the recommendation for visual scanning inflight for instruments vs. outside the aircraft
during good visibility conditions? - CORRECT ANSWER - 3/4 outside, 1/4 inside
True or False: SDO may rapidly transition from unnoticed to incapacitating. - CORRECT
ANSWER - True
SDO typically happens when an aviator cannot visually confirm orientation with what? -
CORRECT ANSWER - the horizon
What is the average experience level for pilots involved in SDO-related accidents? - CORRECT
ANSWER - 1000 + hours, 10 years, very experienced
True or False: Fatigue may lead to SDO by causing routine tasks or scans to be skipped. -
CORRECT ANSWER - True
What compensatory reflexive action typically happens to a pilot's head in a banking turn? -
CORRECT ANSWER - Optokinetic Cervical Reflex