A passenger seat device for a vehicle cabin comprises a front end and a rear end, a backrest arranged at the rear end, a plurality of seat surface segments extending from the rear end to the front end and a seat frame for carrying the seat surface segments and the backrest. The seat surface segments are arranged in a side-by-side relationship and constitute a seat surface and the seat surface segments are individually adjustable between at least two different vertical positions relative to the seat frame. The passenger seat device may flexibly seat passengers with different constitutions.