PASSENGER POSITIONING DEVICES FOR AIRCRAFT SEATS FOR REGULATORY COMPLIANCE

The present disclosure provides an aircraft passenger seat installable in an aircraft cabin at an angle relative to an aircraft longitudinal axis. The passenger seat includes movable or shape changing seat elements for temporarily re-indexing the passenger orientation according to at least one predetermined flight condition such that the seat assembly meets predefined regulatory certification criteria in at least one of the predetermined flight conditions. The present disclosure further provides a method for effecting a temporary change in position of a seated passenger relative to the aircraft longitudinal axis (i.e., direction of flight) according to at least one predetermined flight condition.