A cargo hold floor of an upper and/or a lower deck of an aircraft having a plane of symmetry which divides the cargo hold floor into a first half and a second half is disclosed, said cargo hold floor comprising locking gaps which each encompass all the locking elements located substantially on one level in the longitudinal direction (x direction) of the aircraft, in particular longitudinal locking elements for securing standardized cargo containers, in particular pallets and/or containers, in the longitudinal direction (x direction) of the aircraft whereby all the longitudinal locking elements of at least one locking gap are arranged in only one of the halves.