Pressurization

Question 1

What is cabin pressurization?

Answer 1

It gives the indication that pressure in the cabin is lower than it actually is.

Question 2

What is required when using cabin pressurization?

Answer 2

Supplemental oxygen

Question 3

How does cabin pressurization work?

Answer 3

• Pressurization in most light aircraft are sent to the cabin from the turbocharger’s compressor or from the an engine-driven pneumatic pump.
• The flow of compressed air into the cabin is regulated by an outflow valve which keeps the pressure constant by releasing excess pressure into the atmosphere.

Question 4

What are some of the components of cabin pressure control system?

Answer 4

• Cabin pressure regulator

• Cabin air pressure safety valve

• Dump valve

• Instrumentation
◦ Cabin differential gauge
◦ Cabin altimeter
◦ Cabin-rate-of-climb