Which device is designed to keep someone afloat, face up?

• A. Life Jacket
• B. Infant Floatation Device
• C. Passenger Service Unit
• D. Boeing Sky Interior

Answer: (A)

The idea being tested is buoyancy and head position in water. A life jacket is designed to provide buoyant support that keeps the wearer afloat, and it typically has a collar or structure that helps tilt and support the head so the face remains above the water. This design aims to keep the airway clear, even if the wearer is unconscious, making it the device that best achieves a face-up flotation posture.

Infant flotation devices are intended for babies and may not guarantee a face-up position for an adult, and they are not the universal solution for keeping someone afloat in all contexts. The other two options are not flotation devices at all—one is a component related to aircraft cabin features, and the other is a cabin interior, not something that keeps a person afloat.