Abstract: A track assembly for routing wires in an aircraft is provided including a retainer configured to be coupled to a track or frame in the aircraft, the retainer having a first wall, a second wall, a first flange projecting inward from the first wall, a second flange projecting inward from the second wall, a first catch extending outward from a first side, and a second catch extending outward from a second side, wherein the retainer define a passageway for wires, and a cover having a first arm projecting from a bottom surface and having a first hook for engaging the first catch, and a second arm projecting from the bottom surface and having a second hook for engaging the second catch, wherein the cover is configured to be removably coupled to the retainer.

Abstract: Provided is a passenger service unit for an aircraft. The passenger service unit includes a panel body having a first surface, a second surface opposite the first surface, and at least two air passages extending through the panel body, at least one light controllable by a passenger, and at least two air vents extending from the first surface of the panel body at respective fixed angles, each of the at least two air vents configured to receive air from a respective one of the at least two air passages.