Abstract: A monument for installation in an aircraft passenger cabin comprises a housing extending from the floor upwardly toward the ceiling, the housing including a first configuration configured to receive a wheelchair in a first unfolded condition, and a second configuration configured to receive a stretcher in a second unfolded condition, a first interior space formed in the housing, a staircase disposed within the interior space; a second interior space formed in the housing, a first entrance into the first interior space through a door; a second entrance into the second interior space of the housing, and a securement assembly positionable on the floor, the securement assembly configured to secure one of the wheelchair or the stretcher in place within the interior space.

Abstract: An aircraft lavatory is disclosed herein. The aircraft lavatory includes a standard access door providing access to the aircraft lavatory from at least one of an aisle, a cross aisle, or a passageway of an aircraft, a first moveable wall adjacent the standard access door, the first moveable wall having a first end and a second end and configured to move between a closed position and an open position, the first end of the first moveable wall configured to rotate about a first pivot point, and a second moveable wall adjacent the first moveable wall, the second movable wall having a first end and a second end and configured to move between a closed position and an open position, the first end of the second moveable wall configured to rotate about a second pivot point.