Abstract: A passenger seating arrangement in an aircraft cabin, the passenger seating arrangement comprising exactly two rows of seat units and exactly one aisle, wherein a first row of seat units and a second row of seat units are separated by the aisle, and wherein the rows of seat units and the aisle all extend in a longitudinal direction parallel to a longitudinal axis of the aircraft cabin, each seat unit comprising a seat, an upper shell and a lower shell, the lower shell forming a footwell, wherein the seats are arranged in parallel to each other in a seating direction, wherein an upper shell of a first seat unit and a lower shell of a second seat unit, which, viewed in the longitudinal direction, is arranged behind the first seat unit, partially overlap in a vertical direction.