What are Type 1 safety straps designed for?

Type 1 safety straps are specifically designed to be attached to the aircraft-mounted assist handle. These straps serve as a crucial safety mechanism that helps ensure the stability and security of cabin passengers and crew during turbulence or unexpected situations. By anchoring to the assist handle, Type 1 safety straps provide a reliable point of support that passengers can grip, enhancing their safety as the aircraft maneuvers through various flight conditions.

The other options describe functions that are not associated with Type 1 safety straps. For example, while lavatory doors, cabin installations, and emergency exit doors are vital components of aircraft safety, they do not utilize Type 1 safety straps in their operation or design. Understanding the specific application of Type 1 safety straps reinforces the importance of passenger safety and the engineering considerations that go into aircraft design and operation.