Universal Accessibility in Civil Aircraft Cabin - Single Aisle Aircraft Lavatory "Accessibility for all“

Abstract

In the context of our research project, RECab (Resource Efficient Aircraft Cabin), which is concerned with the sustainable and resource-efficient design of aircraft cabins, our focus has been on the barrier-free use of service modules in aircraft cabins. To illustrate this, we will use aircraft lavatories as a case study. This requirement is rooted in legislative imperatives for universal accessibility in air travel for all users, with particular emphasis on those with various limited mobility and especially those reliant on wheelchairs. The utilisation of aircraft lavatories by wheelchair users is a matter of significant concern. It is evident that the utilisation of aircraft lavatories poses a considerable challenge for wheelchair users, in addition to the significant difficulties experienced by users without mobility impairments. The team developed a solution that considers user- and usage-specific factors of aircraft cabin areas, as well as operational and safety-critical functions. The outcome of the collaboration between HAW Hamburg (UAS) and Diehl Aviation was the development of the Accessible Single Aisle Aircraft Lavatory Door 1, a solution designed to enhance accessibility for passengers with reduced mobility on single-aisle aircraft. This innovative lavatory design addresses the common barriers posed by cramped facilities, allowing users to travel comfortably and independently, while also enhancing the overall experience for all travellers. The lavatory features a spacious layout that accommodates an onboard wheelchair and provides sufficient room for a support person, ensuring dignity and ease of use considering security critical aspects in that very special area close to the aircraft cockpit. The Accessible Single Aisle Aircraft Lavatory Door 1 is available in two different configurations: retrofit for existing aircraft and line-fit options for new aircraft. Moreover, the design is in accordance with the imminent U.S. Department of Transportation regulations for new single-aisle aircraft. It contributes to the enhancement of inclusivity and accessibility within the domain of air travel, catering to the diverse requirements of passengers and has been designed to maintain the existing cabin layout, thereby ensuring that airlines do not experience any loss of revenue space.

Keywords: Aircraft Cabin Design, Cabin Processes, Ergonomics, Digital, Aircraft Interiors, Human Centered Design

DOI: 10.54941/ahfe1007304