A cabin attendant seat for an aircraft, a seat system comprising such a cabin attendant seat, an aircraft monument comprising such a cabin attendant seat and an aircraft comprising such an aircraft monument. The cabin attendant seat comprises a backrest element and a seat element. The cabin attendant seat is movable from a starting position into at least one end position. The cabin attendant seat further comprises an adapter element, the adapter element being arranged in the cabin attendant seat and configured to connect the cabin attendant seat, in the at least one end position, to an aircraft seat provided in the aircraft.