[8] During the twenty-first century, various parties became increasingly interested in developing aft pressure bulkheads composed from composite materials, seeking benefits such as lower manufacturing costs, easier sealing, elimination of corrosion risk, along with weight and part count reductions.
[9] During the early 2000s, Airbus Group developed the largest manufactured resin film infusion structure then in production to function as the aft pressure bulkhead for their double-decker A380 airliner.
[10] the German aerospace supplier Premium AEROTEC, which successfully manufactured the world's first thermoplastic-based rear pressure bulkhead during the 2010s; according to the firm, the new unit had reportedly resulted in a 75% reduction in processing and assembly time as well as a noticeable weight saving over traditional aluminium counterparts.
[11] Multiple instances of damage to the aft pressure bulkhead have occurred; while a few cases have led to serious failures leading to aircraft losses, others have proven to be survivable.
[17] In 1971, British European Airways Flight 706 crashed in Belgium, killing all 63 on board; the cause was determined to be corrosion of the rear pressure bulkhead by fluid contamination, perhaps from the lavatory.