AVIT 309 COMPREHENSIVE EXAMS SET
TESTED QUESTIONS AND CORRECT
ANSWERS
●● What percentage of inflight orientation does visual orientation
provide?
Answer: 90%
●● Proprioceptive senses allow humans to sense what?
Answer: Movement and body position
●● Vestibular sense allow humans to sense what?
Answer: Angular acceleration
●● What two components make up the vestibular apparatus?
Answer: Semi-circular canals and otolith organs
●● What would be the speed of a turn for sub-threshold acceleration?
Answer: Less than 3 degrees per second
●● What are the two main components of human visual systems?
Answer: Central and peripheral
, ●● What are the three phases of vision?
Answer: Photopic, scotopic, mesopic
●● Where is peak visual acuity located?
Answer: Central vision, central 2 degree cone
●● How large is human perceptible field of view?
Answer: 120 x 120 degrees
●● Where is the night visual blind spot located on the visual field?
Answer: Central 2 degrees/central vision
●● What are the two technologies used for enhanced vision systems?
Answer: Light intensification and infrared
●● What is the recommendation for visual scanning inflight for
instruments versus outside the aircraft?
Answer: 1/4 time inside, 3/4 time outside
●● True or False: SDO may rapidly transition from unnoticed to
incapacitating
Answer: True
TESTED QUESTIONS AND CORRECT
ANSWERS
●● What percentage of inflight orientation does visual orientation
provide?
Answer: 90%
●● Proprioceptive senses allow humans to sense what?
Answer: Movement and body position
●● Vestibular sense allow humans to sense what?
Answer: Angular acceleration
●● What two components make up the vestibular apparatus?
Answer: Semi-circular canals and otolith organs
●● What would be the speed of a turn for sub-threshold acceleration?
Answer: Less than 3 degrees per second
●● What are the two main components of human visual systems?
Answer: Central and peripheral
, ●● What are the three phases of vision?
Answer: Photopic, scotopic, mesopic
●● Where is peak visual acuity located?
Answer: Central vision, central 2 degree cone
●● How large is human perceptible field of view?
Answer: 120 x 120 degrees
●● Where is the night visual blind spot located on the visual field?
Answer: Central 2 degrees/central vision
●● What are the two technologies used for enhanced vision systems?
Answer: Light intensification and infrared
●● What is the recommendation for visual scanning inflight for
instruments versus outside the aircraft?
Answer: 1/4 time inside, 3/4 time outside
●● True or False: SDO may rapidly transition from unnoticed to
incapacitating
Answer: True