During preflight checks, how many restraints are checked?

In the context of preflight checks, checking six restraints is essential to ensure the safety and security of passengers and cargo on board. These restraints typically include seatbelts for each passenger seat, shoulder harnesses for certain seating positions, and possibly additional restraints for specific equipment or seating arrangements, depending on the aircraft type. Ensuring that all restraints are functional and available for use is crucial for compliance with safety regulations and for maintaining the overall security of the flight.

The number of restraints checked may vary based on the aircraft's configuration and the operation's specific safety requirements, but six is often the standard to cover all risible seating positions and the safety of the cabin environment. This practice helps to minimize the risk of injury during turbulence or in the event of an emergency.