What action is required regarding baggage if a passenger notifies the certificate holder of an unloaded weapon?

The correct action regarding baggage when a passenger notifies the certificate holder of an unloaded weapon is to ensure that the baggage remains locked and inaccessible to the passenger. This measure is crucial for maintaining safety and security on board the aircraft, as an unloaded weapon still requires proper handling and storage to prevent any accidents or potential misuse.

By keeping the baggage locked and away from the passenger, the airline adheres to regulations that are designed to manage firearms safely. This approach ensures that the weapon is not easily accessible during the flight, which is paramount in upholding safety protocols. In the event that any issues arise regarding the weapon, having it securely stored minimizes risks and allows for proper procedures to be followed.

Other options presented do not comply with safety regulations: checking the baggage at the gate could risk unauthorized access before departure; allowing the baggage to be carried by the passenger would defeat the purpose of securing the weapon; and storing the baggage anywhere on the aircraft poses significant safety concerns. Thus, the requirement for the baggage to remain locked and inaccessible to the passenger is the best practice to ensure a safe environment for everyone on board.