How long does the Scott PBE provide breathing protection?

The Scott PBE (Personal Breathing Equipment) is specifically designed to provide breathing protection in emergency situations, typically involving smoke or toxic fumes. It supplies a breathable atmosphere for a duration of 15 minutes, which is crucial for allowing flight attendants and crew members to safely conduct evacuations or manage emergencies. This time frame is generally considered sufficient for managing immediate threats and ensuring that individuals have the necessary time to implement safety protocols or reach safety. The design and functionality of the Scott PBE focus on enhancing safety during critical incidents, ensuring crew members can effectively perform their duties even in hazardous environments. Other options, although they represent varying durations, do not reflect the specific capabilities of the Scott PBE system as established in training and safety protocols.