Common examples of gliders are sailplanes, hang gliders and paragliders. Any and all types of aircraft qualify, including airplanes, airships, balloons, gliders (sailplanes), helicopters, etc. Many hang gliders and microlight aircraft are tailless. Piccard obtained licenses to fly balloons, airplanes, gliders, and motorized gliders. There can be confusion between gliders, hang gliders, and paragliders. There is sometimes confusion about gliders, hang gliders and paragliders. The local gliding club also provides instruction in flying gliders and light aircraft. These inspired several flying wing gliders and some powered aircraft during the interwar years. Ottomans are often sold as coordinating furniture with armchairs or gliders. They landed with gliders and STOL aircraft on a hilltop. Polyhedral is seen on gliders and some other aircraft. Five aircraft were prepared for manned trials, four gliders and one VTO version. The suborder includes animals commonly known as possums, gliders, and cuscus. Adverse yaw is more pronounced for light aircraft with long wings, such as gliders. They are proficient gliders but clumsy walkers on the ground.