A storage bin assembly includes a fixed bin portion, an articulating bin portion, and an articulation system. The fixed bin portion is configured to be mounted to an aircraft, and has a cavity configured for storage of luggage. The articulating bin portion is coupled to the fixed bin portion, and includes a shelf configured for supporting luggage. The articulation system movably couples the articulating bin portion to the fixed bin portion. The articulating bin portion is movable from a first position in which the articulating bin portion is proximate to the fixed bin portion to a second position at which the articulating bin portion is separated from the fixed bin portion and lower than the fixed bin portion.