An apparatus for an aircraft, the apparatus comprising: a wing comprising: an unfixed portion, and a fixed portion; the unfixed portion movably connected to the fixed portion, the unfixed portion comprising a rotating portion of the unfixed portion, the rotating portion configured to rotate between a flight position and a folded position; and a joint configured to allow rotation of the unfixed portion of the wing with respect to the fixed portion of the wing about a rotation axis, the rotation axis being one or more of: vertical, substantially perpendicular to the wing, and configured to be substantially parallel to a yaw axis of an aircraft, the apparatus being characterised in that it further comprises: a first member of the rotating portion configured to: support the unfixed portion, connect the unfixed portion to the fixed portion, and slide into a third member of the fixed portion; a second member of the rotating portion comprising a first hinge member, a fold actuator connection point, and a first joint member; the first hinge member configured to allow movement of a drop portion of the unfixed portion with respect to the rotating portion of the unfixed portion; the first joint member configured to allow for rotation of the rotating portion about the rotation axis of the joint and connect to a second joint member of the fixed portion; the third member of the fixed portion configured to support the first member in the flight position; and a fourth member of the fixed portion configured to support the second member in the flight position. a wing comprising: an unfixed portion, and a fixed portion; the unfixed portion movably connected to the fixed portion, the unfixed portion comprising a rotating portion of the unfixed portion, the rotating portion configured to rotate between a flight position and a folded position; and a joint configured to allow rotation of the unfixed portion of the wing with respect to the fixed portion of the wing about a rotation axis, the rotation axis being one or more of: vertical, substantially perpendicular to the wing, and configured to be substantially parallel to a yaw axis of an aircraft, the apparatus being characterised in that it further comprises: a first member of the rotating portion configured to: support the unfixed portion, connect the unfixed portion to the fixed portion, and slide into a third member of the fixed portion; a second member of the rotating portion comprising a first hinge member, a fold actuator connection point, and a first joint member; the first hinge member configured to allow movement of a drop portion of the unfixed portion with respect to the rotating portion of the unfixed portion; the first joint member configured to allow for rotation of the rotating portion about the rotation axis of the joint and connect to a second joint member of the fixed portion; the third member of the fixed portion configured to support the first member in the flight position; and a first member of the rotating portion configured to: support the unfixed portion, connect the unfixed portion to the fixed portion, and slide into a third member of the fixed portion; a second member of the rotating portion comprising a first hinge member, a fold actuator connection point, and a first joint member; the first hinge member configured to allow movement of a drop portion of the unfixed portion with respect to the rotating portion of the unfixed portion; the first joint member configured to allow for rotation of the rotating portion about the rotation axis of the joint and connect to a second joint member of the fixed portion; the first hinge member configured to allow movement of a drop portion of the unfixed portion with respect to the rotating portion of the unfixed portion; the first joint member configured to allow for rotation of the rotating portion about the rotation axis of the joint and connect to a second joint member of the fixed portion; a fourth member of the fixed portion configured to support the second member in the flight position.