- The East Coast Soaring Challenge The Silent Knights Soaring Society (SKSS) is an AMA sanctioned club, dedicated to silent flight. Sailplanes or electric craft may be flown at the Big Pond site in the White Clay Creek State Park, just north of Newark, Delaware. SKSS recently acquired access to this idyllic setting from the State Park Commission. Access to the flying site is by way of a lockable ...www.skss.org