What system monitors and regulates cabin pressurization?

The cabin pressure control system is designed specifically to monitor and regulate the pressure within an aircraft's cabin. This system ensures that the cabin remains at a safe and comfortable pressure for passengers and crew during flight, especially at high altitudes where the outside atmospheric pressure is significantly lower.

The system continuously adjusts the cabin pressure by controlling the outflow of air from the cabin and managing the inflow from the environmental control system. This not only prevents discomfort but also protects passengers from physiological issues that can arise due to rapid changes in pressure. The cabin pressure control system works in conjunction with other aircraft systems but is dedicated specifically to pressurization tasks, making it essential for flight safety and passenger comfort.

In contrast, the hydraulic control system primarily manages the aircraft's mechanical operations like control surfaces and landing gear, the fuel management system oversees fuel distribution and usage, and the environmental control system regulates temperature, airflow, and ventilation. Each of these systems plays a distinct role within the aircraft, but only the cabin pressure control system is focused on maintaining proper pressure levels within the cabin.