A pressurization controller utilizes which of the following measurements?

The correct answer involves the use of cabin altitude, cabin rate of change, and barometric pressure as measurements for a pressurization controller.

Cabin altitude refers to the height at which the cabin is maintained under pressurization, and it is critical for ensuring that occupants receive sufficient oxygen at higher elevations. Monitoring the cabin rate of change allows the system to assess how quickly the cabin altitude is changing during ascent and descent, which is essential for passenger comfort and safety. Additionally, barometric pressure is vital for determining the actual atmospheric pressure and ensuring that the cabin is pressurized correctly relative to the external environment.

Together, these measurements provide a comprehensive understanding of the cabin's environmental conditions. This allows the pressurization controller to adjust the cabin pressure accordingly, maintaining safe and comfortable conditions for passengers and crew throughout the flight.