AP 104 Cabin Pressurization

Question 1

What is the primary purpose for aircraft pressurization?

Answer 1

Reduce/prevent decompression sickness and hypoxia

Question 2

List additional advantages of aircraft pressurization

Answer 2

-Reduce need for supplemental oxygen
-Reduce expansion of G.I. gas
-Control temperature and humidity
-Move without the encumbrance of oxygen equipment
-Minimize fatigue
- Protect ears/sinuses from rapid changes in pressure

Question 3

What is the primary, and most critical, disadvantage of aircraft pressurization?

Answer 3

Decompression