A patient transporter having inflatable chambers or channels that provides improved support, rigidity, and height is disclosed. The patient transporter is lightweight, portable and durable. The inflatable chambers also provide buoyancy. A skid plate on the bottom surface of the transporter allows the transporter to be easily pulled over the ground when transporting a person. A hinged support assembly can be connected to the bottom of the transporter for additional rigidity and support. A method for using a patient transporter having inflatable chambers is also provided.