AVIT 309 Block 3 Exam Questions with Correct Answers Latest Update 2025/2026
What is the primary purpose of pressurization? - Answers To protect occupants from hypoxia
and DCS
What are the two types of pressurization systems? - Answers Sealed cabins and pressurized
cabins
What are the two pressurized cabin schedules? - Answers Isobaric control and isobaric
differential
True or false - a pilot never has to wear an oxygen mask if the cabin is pressurized? - Answers
False
What physiological issues are minimized when using pressurization? - Answers Hypoxia,
Trapped gas, Evolved gas, Fatigue, Thermal stress, Noise and Vibration
What makes an aircraft susceptible to decompressions? - Answers Improper inspections and
maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? - Answers Slow
Rapid
Explosive
Which type of decompression has caused the most fatalities in recent history? - Answers Slow
What is arguably the most reliable "alarm" for slow decompressions? - Answers The popping
and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? - Answers Explosive noise
What is a pilot's most immediate need following a decompression? - Answers 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? - Answers Five seconds
What is one of the main problems in self-identifying fatigue in oneself? - Answers No
biomarkers
What are the three types of fatigue? - Answers Transient
Cumulative
Circadian
What is the problem with instrument scanning when affected by channelized attention? -
What is the primary purpose of pressurization? - Answers To protect occupants from hypoxia
and DCS
What are the two types of pressurization systems? - Answers Sealed cabins and pressurized
cabins
What are the two pressurized cabin schedules? - Answers Isobaric control and isobaric
differential
True or false - a pilot never has to wear an oxygen mask if the cabin is pressurized? - Answers
False
What physiological issues are minimized when using pressurization? - Answers Hypoxia,
Trapped gas, Evolved gas, Fatigue, Thermal stress, Noise and Vibration
What makes an aircraft susceptible to decompressions? - Answers Improper inspections and
maintenance, age and cycles of aircraft, higher differentials
What are the three types of decompressions? - Answers Slow
Rapid
Explosive
Which type of decompression has caused the most fatalities in recent history? - Answers Slow
What is arguably the most reliable "alarm" for slow decompressions? - Answers The popping
and clicking of the ears on ascent
What is normally the most prolific sign of rapid decompressions? - Answers Explosive noise
What is a pilot's most immediate need following a decompression? - Answers 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? - Answers Five seconds
What is one of the main problems in self-identifying fatigue in oneself? - Answers No
biomarkers
What are the three types of fatigue? - Answers Transient
Cumulative
Circadian
What is the problem with instrument scanning when affected by channelized attention? -
