Vehicular passenger restraint systems

A safety restraint system for airplanes, comprising:

• a) a primary support harness, comprising:
• i) an upper support portion for securing to an upper portion of an airline seat;
• ii) a lower support potion buckled to the upper support portion, so that the lower portion extends across a torso of an adult person seated in the airline seat;
• iii) first loops on ends of the lower support portion for accepting the airline safety seat belt, so that securing of the airline seat belt secures the primary support harness against the torso of the person on the seat;
• b) a secondary support harness comprising at least:
• i) shoulder straps and a waist belt for positioning onto a child seated on the adult's lap;
• ii) second loops on the ends of the lower support portion for threading the waist belt therethrough and engaging upon itself around the child, so that the waist belt secures the child in place on the adult's lap;
• c) a frame element on a rear portion of the secondary support harness for serving as attachment means between the primary support harness worn by the adult and the secondary support harness worn by the child;
• and
• d) the secondary support harness rotatable so that leg straps are used as shoulder straps, and a single strap is threaded between the child's legs for securing the smaller child within the harness.