What is a pre-flight check for the restraint kit?

The correct answer is focused on the importance of the restraint kit being accessible and securely stowed. During a pre-flight check, it is crucial for safety equipment, such as the restraint kit, to be readily available for staff in case of an emergency. A sealed pouch with a green seal indicates that the kit has not been tampered with and is in proper condition for use. This is vital for ensuring that the flight attendants can quickly access the restraint kit if needed during the flight, maintaining safety protocols and preparedness.

The other options, while addressing different aspects, do not meet the specific requirements for a pre-flight check of the restraint kit. Cleaning and sanitization, although important for overall hygiene, does not address the primary concern for this particular check. Visibility solely to the crew could undermine accessibility in urgency situations. Stating that the kit must only be located in the cockpit suggests limited access, which contradicts the need for easy availability in different areas of the aircraft.