Passenger seat with articulated pneumatic seat cushion

An aircraft passenger seat, comprising:

• a seat base for being attached to a deck of the aircraft;
• a seat frame carried by the seat base and including a seat back, a seat bottom, and at least one armrest carried by the seat frame;
• a foam seat bottom cushion positioned on the seat bottom and a foam seat back cushion positioned on the seat back;
• a pneumatic cushion positioned between at least one of the seat bottom and the foam seat bottom cushion and the seat back and the foam seat back cushion and adapted to maintain a predetermined level of inflation determined by air pressure within the pneumatic cushion;
• a pneumatic inflation device communicating with the pneumatic cushion for permitting the air pressure within the pneumatic cushion to be varied as desired alter the angle of the seat bottom in relation to the seat back to provide additional comfort to the seat occupant;
• and
• a mechanical attachment comprising complimentary touch fastener elements for securing the pneumatic cushion to the at least one foam seat bottom and the foam seat back.