A load assembly for use with an aircraft includes a support sub-assembly and a lifting sub-assembly. The support sub-assembly is configured for removable coupling to a structural member of the aircraft. The structural member has a first interior position and a second interior position. The support sub-assembly extends between the first interior position and the second interior position. The lifting sub-assembly is movably coupled to the support sub-assembly. The lifting sub-assembly is movable along the support sub-assembly between the first interior position and the second interior position and configured to lift or lower a load, and to support the load as the lifting sub-assembly moves along the support sub-assembly between the first interior position and the second interior position.