The Seaside Soarers is a group of people who enjoy the thrill of hang gliding. The term ERNS (4 letters) refers to the type of hang glider they use, which is an open-framed, fabric-covered aircraft that is suspended from a harness and propelled by air currents. The term ERNES (5 letters) refers to the type of harness they use, which is designed to provide support and stability while in the air.