What is the purpose of safety belts in an aircraft?

The purpose of safety belts in an aircraft is fundamentally about safety and protection. They are designed to secure passengers and crew in their seats, which is crucial during adverse situations such as turbulence or a crash. By keeping individuals restrained, safety belts significantly reduce the risk of injury from sudden movements and impacts that can occur during an aircraft's flight.

Turbulence can cause abrupt changes in altitude and direction, and without being securely fastened, passengers and crew may collide with interior elements of the aircraft or be thrown about, leading to serious injuries. In the event of a crash, safety belts help to keep occupants in a more secure position, reducing the likelihood of ejection from the seat or incurring severe trauma.

While the comfort of passengers, assisting in aircraft control, and securing luggage are important considerations, they do not represent the primary function of safety belts. The essential role they play in enhancing occupant safety during operations is why answer B is the correct choice.