Aircraft seat device with at least one seating region (12d; 12e; 12m), with at least one separation unit (14e; 14d; 14m), which is adjustable between an open state and a closed state and is configured in at least one operation state to separate the at least one seating region (12d; 12e; 12m) at least partially from a remainder of a cabin (16d; 16e; 16m), in particular from an aisle (18d; 18e; 18m) in a cabin (16d; 16e; 16m), and with at least one passage region (20d; 20e; 20m) through which the seating region (12d; 12e; 12m) is accessible, the separation unit (14d; 14e; 14m) being configured, at least in its closed state, to close the passage region (20d; 20e; 20m) at least partially, the at least one separation unit (14d; 14e; 14m) comprising at least one extractable separation element (22d; 22e; 22m) which is at least substantially made of a flexible material, in particular a textile, a leather and/or a film, the at least one separation unit (14d; 14e; 14m) comprising at least one closure element (28d; 28e; 28m) which is configured for the fastening of the separation element (22d; 22e; 22m) to at least one cabin element, the separation unit (14d; 14e; 14m) comprising at least one stowage unit (24d; 24e; 24m) which is configured in an open state to at least substantially stow the separation element (22d; 22e; 22m), the separation element (22d; 22e; 22m) being at least substantially extractable in a horizontal direction, characterised in that the separation unit (14d; 14e; 14m) comprises at least one guide unit (30d; 30e; 30m) which has a scissors element (108d; 110e, 112e; 110m, 112m) which is arranged on the closure element (28d; 28e; 28m) and in the stowage unit (24d; 24e; 24m) and which is at least configured for guiding and/or fixing the separation element (22d; 22e; 22m) and/or the closure element (28d; 28e; 28m) in at least one operation state. with at least one seating region (12d; 12e; 12m), with at least one separation unit (14e; 14d; 14m), which is adjustable between an open state and a closed state and is configured in at least one operation state to separate the at least one seating region (12d; 12e; 12m) at least partially from a remainder of a cabin (16d; 16e; 16m), in particular from an aisle (18d; 18e; 18m) in a cabin (16d; 16e; 16m), and with at least one passage region (20d; 20e; 20m) through which the seating region (12d; 12e; 12m) is accessible, the separation unit (14d; 14e; 14m) being configured, at least in its closed state, to close the passage region (20d; 20e; 20m) at least partially, the at least one separation unit (14d; 14e; 14m) comprising at least one extractable separation element (22d; 22e; 22m) which is at least substantially made of a flexible material, in particular a textile, a leather and/or a film, the at least one separation unit (14d; 14e; 14m) comprising at least one closure element (28d; 28e; 28m) which is configured for the fastening of the separation element (22d; 22e; 22m) to at least one cabin element, the separation unit (14d; 14e; 14m) comprising at least one stowage unit (24d; 24e; 24m) which is configured in an open state to at least substantially stow the separation element (22d; 22e; 22m), the separation element (22d; 22e; 22m) being at least substantially extractable in a horizontal direction, characterised in that the separation unit (14d; 14e; 14m) comprises at least one guide unit (30d; 30e; 30m) which has a scissors element (108d; 110e, 112e; 110m, 112m) which is arranged on the closure element (28d; 28e; 28m) and in the stowage unit (24d; 24e; 24m) and which is at least configured for guiding and/or fixing the separation element (22d; 22e; 22m) and/or the closure element (28d; 28e; 28m) in at least one operation state.