Abstract: An airplane seat child safety harness comprising: a central buckle formed in a planar configuration and including a coupling device affixed to at least one of its ends, the buckle including at least one bore with a button positioned therein, the coupling devices adapted to couple with seat belt buckle inserts, at least one lower belt having two free ends, one free end being coupled to the central buckle, the lower belts adapted to be positioned through the legs and behind the back of a child; and at least two lap belts each having at least two free ends, one free end being coupled to the central buckle, at least two seat belt rings formed in a tubular configuration and adapted to be coupled with the end of a seat belt buckle, the second free end of the lap belts being coupled to the seat belt buckle rings, each of the belts including length adjustment devices, at least two shoulder straps each having at least one segment and including length adjustment devices, each shoulder strap having two free ends, one fr