What does CBBG stand for in airline terminology?

CBBG stands for Cabin Baggage, which refers to the amount of luggage that a passenger is allowed to carry into the cabin of an aircraft. This term is crucial in airline operations as it dictates the size and quantity of bags that can be safely accommodated in the overhead compartments or under the seat in front of a passenger. Understanding this term helps both airline staff and passengers comply with security and safety regulations regarding air travel.

In the context of the options provided, the other terms represent specific categories or situations related to airline operations but do not encompass the broader concept of luggage passengers bring with them into the cabin. For instance, the other terms pertain to specific types of items or passengers, such as couriers, deportees, and special provisions for infants, rather than the general category of cabin baggage itself. Thus, CBBG accurately identifies the essential aspect of cabin luggage in airline terminology.