An aircraft cabin partition system , comprising: a first partition including a partition cut-out and a first flange , the first flange including a first flange cut-out ; a first coupling assembly , the first coupling assembly inserted within the first flange cut-out, the first coupling assembly inserted within an opening of a first seat rail within a floor of an aircraft cabin , the first coupling assembly coupling the first partition to the first seat rail when engaged; a second partition including a second flange and a third flange , the second flange including a second flange cut-out , the third flange including a third flange cut-out ; a second coupling assembly , the second coupling assembly inserted within the partition cut-out, the second coupling assembly inserted within the second flange cut-out, the second coupling assembly coupling the second partition to the first partition when engaged; and a third coupling assembly , the third coupling assembly inserted within the third flange cut-out, the third coupling assembly inserted within a second opening of a second seat rail , the third coupling assembly coupling the second partition to the second seat rail when the third coupling assembly is engaged; and a third partition ; wherein the first partition is configured to be parallel to an aisle of the aircraft cabin wherein the second partition and the third partition are configured to be perpendicular to the aisle wherein the first partition, the second partition, the third partition and a fuselage wall are configured to define a plurality of sides of a cargo box accessible by an open top. a first partition including a partition cut-out and a first flange , the first flange including a first flange cut-out ; a first coupling assembly , the first coupling assembly inserted within the first flange cut-out, the first coupling assembly inserted within an opening of a first seat rail within a floor of an aircraft cabin , the first coupling assembly coupling the first partition to the first seat rail when engaged; a second partition including a second flange and a third flange , the second flange including a second flange cut-out , the third flange including a third flange cut-out ; a second coupling assembly , the second coupling assembly inserted within the partition cut-out, the second coupling assembly inserted within the second flange cut-out, the second coupling assembly coupling the second partition to the first partition when engaged; and a third coupling assembly , the third coupling assembly inserted within the third flange cut-out, the third coupling assembly inserted within a second opening of a second seat rail , the third coupling assembly coupling the second partition to the second seat rail when the third coupling assembly is engaged; and a third partition ; wherein the first partition is configured to be parallel to an aisle of the aircraft cabin wherein the second partition and the third partition are configured to be perpendicular to the aisle wherein the first partition, the second partition, the third partition and a fuselage wall are configured to define a plurality of sides of a cargo box accessible by an open top. <EOS>