AVIT 309 CERTIFICATION EVALUATION TEST PAPER COMPLETE QUESTIONS AND SOLUTIONS.

AVIT 309 CERTIFICATION EVALUATION
TEST PAPER COMPLETE QUESTIONS AND
SOLUTIONS

●● what are the three primary sources of orientation in aviation
Answer: propriception, vestibular, visual


●● what percentage of inflight orientation does vision provide
Answer: 90%


●● proprioceptive senses allow humans to sense what
Answer: orientation and motion through proprioceptors embedded
throughout the human body


●● vestibular senses allow humans to sense what
Answer: angular acceleration, head position, spatial orientation


●● what two components make up the vestibular apparatus
Answer: otolith organs
semicircular canals


●● what would be the speed of a turn for sub-threshold acceleration

,Answer: less than three degrees per second


●● what are the two main components of human visual systems
Answer: central focal vision
peripheral ambient vision


●● 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 the human perceptible field of view
Answer: 120 x 120 degrees


●● where is the night visual blind spot located on the visual field
Answer: center


●● what are the two technologies used for enhanced vision systems
Answer: EVS, EFVS, SVS, NVGs, FLIR

, ●● what is the recommendation for visual scanning inflight for
instruments versus outside the aircraft during good visibility conditions
Answer: 60* side to side in 10* increments


●● proprioception
Answer: somatosensory
seat of your pants
acceleration/deleraction/somatigravic illusion


●● vestibular systems
Answer: semicircular canals
otolith organs


●● visual systems
Answer: 90% of orientation
peripheral vision


●● semicircular canals
Answer: angular acceleration
roll/pitch/yaw


●● otolith organs