AirScooter II is a twin-blade personal helicopter that falls within the 'ultralight' class of flying vehicles, meaning anyone who can shell out the (estimated) $50,000 purchase price can fly one--even without a pilot's license. What makes the AirScooter II stand out from many other ultralights is its in-house developed 4-stroke engine, which provides quieter and smoother power (your car has a 4-stroke engine, but older motorcycles and ATVs have 2-strokes.