What cabin altitude is expected during a depressurization with no damage to the airframe?

During a depressurization event with no damage to the airframe, the expected cabin altitude can typically rise to around 14,500 feet. This altitude aligns with aviation safety regulations, which dictate that if depressurization occurs in a pressurized aircraft without structural failure, the cabin might stabilize roughly at this altitude as the aircraft loses pressure.

The range of +/- 500 feet accounts for variations due to factors such as altitude changes or environmental conditions affecting the cabin pressure. As the pressurization system is designed to maintain comfort and safety, the cabin would not usually exceed this altitude unless there are additional mitigating factors at play.

Understanding the specifics of pressurization systems helps recognize why this elevation is a critical safety threshold and how modern aircraft are equipped to handle such events effectively. The other options presented would not be typical outcomes during a standard depressurization; they either fall below safe operating altitudes or do not accurately reflect the expected conditions based on normal aircraft systems’ responses.