What is a bulkhead in the context of an aircraft?

A bulkhead in the context of an aircraft refers to any dividing wall or partition that separates different sections of the aircraft. Bulkheads serve various purposes, such as providing structural support to the aircraft, creating fire barriers, and dividing passenger compartments and storage areas. They can also play a role in maintaining the cabin's pressurization and ensuring safety by containing smoke in the event of a fire.

While the term may also come to mind in relation to certain features of seating or luggage compartments, those options do not accurately capture the broad functionality of bulkheads as structural components. Understanding the role of bulkheads helps comprehend how aircraft maintain safety and efficiency throughout their design.