In the lightweight portable oxygen bottle, what number represents the high outlet?

In a lightweight portable oxygen bottle, the high outlet is designated to ensure that it connects to the appropriate equipment that administers oxygen to passengers or crew members in need. The specific number associated with the high outlet serves as a standardized identification that ensures the correct connection and usage, which is vital for safety in various flight situations.

In this context, the number four indicates the high outlet on the oxygen bottle, providing clarity and consistency for flight attendants who may need to operate the equipment under pressure or in emergencies. This standardization helps flight attendants quickly identify and utilize the right system without confusion, which is critical when time and accuracy are essential for passenger safety and care.

This structured approach is a key component of the training for flight attendants, ensuring that they are prepared for all scenarios involving oxygen supplementation during a flight.