A quick search revealed at least 15 manufacturers of aircraft seats, but I have no way of knowing who made what seats for which aircraft. (havebabywilltravel.com)
It attaches to the seat and existing aircraft seat belt to create a 5 - point harness to keep your 22 - 44 lb child safe and secure in their own airplane seat. (havebabywilltravel.com)
Like aircraft seats, the HX's seats are constructed on a lightweight framework with minimal components that feature lightening holes and strength - enhancing cross braces or triangulations. (thetorquereport.com)