The present invention is a system and method for modifying a passenger aircraft and converting it for use as a cargo aircraft, wherein the steps include removing all structures that were previously put into the aircraft to accommodate passengers including walls, storage, and seating, wherein the seat tracks are left in the floor to function as secure attachment points, moving pallet sections into the aircraft that can fit through the existing doorways, and assembling the pallet sections together to create pallet assemblies, wherein the pallet assemblies function as a bridging system upon which cargo loads may be disposed without causing damage to the existing unreinforced floor of the aircraft, wherein each of the pallet assemblies is connected to the existing seat tracks in the floor in order to secure the pallet assemblies to the aircraft frame.

To reduce strain and mitigate fatigue in an aircraft's airframe, some example dynamic load-sharing systems provide the aircraft with multiple tension devices that share the weight of a load hanging from the aircraft. In some examples, the tension devices are installed in the aircraft's cabin space to protect the surrounding airframe by transmitting a portion of the load's weight directly from the floor to the ceiling of the aircraft. In some examples, the portion of the weight transmitted by the tension devices is proportional to the load's total weight. In some examples, the tension devices are piston/cylinder devices that are interconnected by a manifold to distribute the load equally among the tension devices. Some examples of dynamic load-sharing system include a pressure relief valve and/or an accumulator that limits the maximum load applied to each tension device.

Systems, methods, and vehicles for loading and unloading cargo from a long-distance transport vehicle, such as an aircraft, are described. The systems and methods include operating a plurality of vehicles to unload large cargo from the aircraft and transporting the large cargo to an installation site. In some instances, the vehicles hold the payload the entire time, including while loading aircraft, during flight, unloading the aircraft, and moving the payload to the installation site. Alternatively, the vehicles can drive on the plane to load the payload to a designated area, and equivalent vehicles can drive on the plane after the payload has been flown to unload the payload and moving the payload to the installation site. Various vehicles and systems, and components thereof, along with methods of operating the same, are also provided.

A load carrier for an aircraft cargo hold includes a bottom element with a support surface, the load carrier being movable over a floor surface in a floor plane while the support surface faces the floor surface, the bottom element having a base surface. The support surface has rolling elements rotatable about a rotation axis oriented where a parallel to the axis runs parallel to the floor plane, and the rolling elements being retained on the bottom element where the rotation axis of each of the rolling elements can be rotated about a vertical axis running perpendicularly to the floor plane. A load carrier can include a bottom element, the support surface of which has outlet openings, through which air can exit from the support surface to form an air cushion under the support surface. A load carrier can include a bottom element the support surface of which has slider elements.

A load carrier for an aircraft cargo hold includes a bottom element with a support surface, the load carrier being movable over a floor surface in a floor plane while the support surface faces the floor surface, the bottom element having a base surface. The support surface has rolling elements rotatable about a rotation axis oriented where a parallel to the axis runs parallel to the floor plane, and the rolling elements being retained on the bottom element where the rotation axis of each of the rolling elements can be rotated about a vertical axis running perpendicularly to the floor plane. A load carrier can include a bottom element, the support surface of which has outlet openings, through which air can exit from the support surface to form an air cushion under the support surface. A load carrier can include a bottom element the support surface of which has slider elements.

A connecting assembly for connecting two structures of an aircraft, the connecting assembly including a central element featuring a through-hole, preferably a bore, configured to make a connection with one of the two structures by virtue of a fastener element including a shank inserted into the through-hole. The connecting assembly further includes a plurality of shock-absorbing elements made from a deformable material. Each of the shock-absorbing elements are, on the one hand, secured to the central element and, on the other hand, configured to bear against a surface of the other of the two structures. An aircraft part includes such a connecting assembly.

A structure and equipment system installed in an aircraft includes vertical supports, a rail device, a connector, guiding elements, pivot joints, and locking devices. The rail device is arranged on the aircraft to guide the guiding elements along a rail device extension axis. Via the connector, the vertical supports are arranged in parallel and connect to form a grid arrangement with the guiding elements arranged thereon. The pivot joints are attached to upper ends of the vertical supports to pivot them. The locking devices each have a first and a second locking element. The grid arrangement is inserted into the aircraft as far as an installation position via the guiding elements on the rail device with vertical supports pivoted upwards from the vertical, by pivoting down into a vertical orientation, the first locking elements can interlock with correspondingly arranged second locking elements to form a load-bearing support structure.

A structure and equipment system installed in an aircraft includes vertical supports, a rail device, a connector, guiding elements, pivot joints, and locking devices. The rail device is arranged on the aircraft to guide the guiding elements along a rail device extension axis. Via the connector, the vertical supports are arranged in parallel and connect to form a grid arrangement with the guiding elements arranged thereon. The pivot joints are attached to upper ends of the vertical supports to pivot them. The locking devices each have a first and a second locking element. The grid arrangement is inserted into the aircraft as far as an installation position via the guiding elements on the rail device with vertical supports pivoted upwards from the vertical, by pivoting down into a vertical orientation, the first locking elements can interlock with correspondingly arranged second locking elements to form a load-bearing support structure.

A control system for a cargo handling system is disclosed. The control system may be configured to advance larger containers at a slower speed than smaller containers. For instance, all containers may be initially advanced by the same first velocity control signal. At the expiration of a certain time period, all containers may thereafter be advanced by a different velocity control signal (from the first velocity control signal) that should least substantially maintain the velocity of the container as it existed at the time of the expiration of the noted time period. The length of the time period (for advancing the container at the first velocity control signal) may be varied based upon the size of the containers such that larger containers are accelerated for a shorter time than smaller containers and which in turn should then advance larger containers at a lower velocity compared to smaller containers.

An aircraft floor including at least one hinge connecting movable and fixed floor parts, which has a pivot axis parallel to a longitudinal direction. The floor also includes at least two beams, each including first and second beam portions secured respectively to the fixed and movable floor parts and connected together by a pivot link, and at least one rail including at least one first rail portion secured to the movable floor part and at least one second rail portion secured to the fixed floor part of the floor, extending the first rail portion.