Which deck designation is used for cargo on multi-deck Airbuses?

The deck designation used for cargo on multi-deck Airbuses is "C." This designation typically refers to the cargo compartments that are located on the aircraft. In multi-deck configurations, especially with large aircraft such as the Airbus A380 and A350, the "C" designation clearly identifies areas intended specifically for cargo, distinguishing these from passenger areas and other sections of the aircraft.

In aviation regulations and practices, standardized designations are crucial for ensuring safety and efficiency during loading and unloading processes, as well as in emergency situations. Being aware of the specific cargo deck designations helps first responders, crew members, and ground handling teams to quickly locate and manage cargo, which can include hazardous materials that require special handling protocols. The clarity brought by these designations can significantly aid in operational safety and regulatory compliance.