What is the altitude limit for use of the emergency oxygen system?

The altitude limit for the use of the emergency oxygen system is set at 25,000 feet. This is a crucial regulation in aviation safety procedures. Above this altitude, the reduced atmospheric pressure can lead to hypoxia, a condition where the body does not receive enough oxygen. The emergency oxygen system is designed to provide supplemental oxygen to the crew and passengers to ensure that they can operate safely and maintain awareness in the event of cabin depressurization or other emergencies.

Understanding this altitude limit helps ensure that flight crews are prepared to deploy the emergency oxygen systems when necessary, thus promoting safety during flights in high-altitude environments.