AVIT 309 BLOCK 3 QUESTIONS & ANSWERS
What is the primary purpose for pressurization? - Answer -To protect occupants from
hypoxia and DCS
What are the two types of pressurization systems? - Answer -Sealed cabins and
pressurized cabins
What are the two pressurized cabin schedules? - Answer -Isobaric control and isobaric
differential
True or False- a pilot never has to wear an oxygen mask if the cabin is pressurized. -
Answer -False
What physiological issues are minimized when using pressurization? - Answer -
Hypoxia, trapped gas, evolved gas, fatigue, thermal stress, noise and vibration
What makes an aircraft susceptible to decompressions? - Answer -Improper
inspections and maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? - Answer -Slow, rapid, and explosive
Which type of decompression has caused the most fatalities in recent history? - Answer
-Slow
What is arguably the most reliable "alarm" for slow decompressions? - Answer -The
popping and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? - Answer -Explosive
noise
What is a pilot's most immediate need after a decompression? - Answer -100% oxygen
According to FAA regulations, a quick-don oxygen mask should be able to be donned,
sealed and properly configured with one hand in how many seconds? - Answer -Five
What is one of the main problems in self-identifying fatigue in oneself? - Answer -No
biomarkers
What are the three types of fatigue? - Answer -Transient, cumulative, circadian
What is the problem with instrument scanning when affected by channelized attention? -
Answer -Scan discipline breaks down
What stages of sleep are most refreshing for humans? - Answer -Stage I and REM
What is the primary purpose for pressurization? - Answer -To protect occupants from
hypoxia and DCS
What are the two types of pressurization systems? - Answer -Sealed cabins and
pressurized cabins
What are the two pressurized cabin schedules? - Answer -Isobaric control and isobaric
differential
True or False- a pilot never has to wear an oxygen mask if the cabin is pressurized. -
Answer -False
What physiological issues are minimized when using pressurization? - Answer -
Hypoxia, trapped gas, evolved gas, fatigue, thermal stress, noise and vibration
What makes an aircraft susceptible to decompressions? - Answer -Improper
inspections and maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? - Answer -Slow, rapid, and explosive
Which type of decompression has caused the most fatalities in recent history? - Answer
-Slow
What is arguably the most reliable "alarm" for slow decompressions? - Answer -The
popping and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? - Answer -Explosive
noise
What is a pilot's most immediate need after a decompression? - Answer -100% oxygen
According to FAA regulations, a quick-don oxygen mask should be able to be donned,
sealed and properly configured with one hand in how many seconds? - Answer -Five
What is one of the main problems in self-identifying fatigue in oneself? - Answer -No
biomarkers
What are the three types of fatigue? - Answer -Transient, cumulative, circadian
What is the problem with instrument scanning when affected by channelized attention? -
Answer -Scan discipline breaks down
What stages of sleep are most refreshing for humans? - Answer -Stage I and REM