sailplane, hang glider, paraglider, ultralight, soaring aircraft, motor glider, gliding plane, non-powered aircraft, free-flight aircraft, air glider
sailplane, hang glider, paraglider, ultralight, soaring aircraft, motor glider, gliding plane, non-powered aircraft, free-flight aircraft, air glider [x]
soaring, floating, sailing, skimming, sliding, drifting, coasting, sweeping, cruising, hovering, glissading, surfing, slipping
soaring, floating, sailing, skimming, sliding, drifting, coasting, sweeping, cruising, hovering, glissading, surfing, slipping [x]
