CEA Fundamentals Block 3 Practice Test 2026 – Comprehensive Exam Prep

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What does the cabin altitude warning system indicate?

When engine overheat

When outflow valve fails

When gasper outlets clogged

When cabin altitude exceeds safe limits

The warning signals when the air inside the cabin has reached a pressure altitude higher than safe, meaning the cabin is not being kept pressurized properly. This alert warns of potential loss of pressurization so the crew can descend and provide oxygen as needed to prevent hypoxia. It doesn’t indicate engine overheating, a failed outflow valve, or clogged gasper outlets, which are separate issues related to other systems.