Due to the many advantages of flying at high altitudes, many airplanes are designed to operate with a pressurized cabin. In a typical pressurization system, the cabin, flight compartment and baggage compartments are incorporated into a sealed unit that is capable of containing air under a pressure higher than outside atmospheric pressure.
What important info
a) Increased engine efficiency
b) Enhanced fuel economy
c) Improved passenger comfort and safety
d) Reduced engine wear and tear
