1. "Skydiving is the place where you learn to freefall and practice the skills you'll need to safely take up wingsuit BASE. In order to fly a wingsuit in the U.S. at a USPA Group Member dropzone, you'll need to complete at least 200 jumps in 18 months (or 500 total jumps). In freefall, the extra surface area of the wings magnifies even the slightest control inputs from the flyer. In 120mph wind, you can see how tripling your body's surface area can make some dramatic differences. Freefall is already a world of subtlety, where the slightest movement can have a big impact. So by getting enough jumps to be comfortable and safe, you're already accustomed to the small moves necessary to safely fly a suit. At deployment time, body position is crucial. If your body is asymmetrical in any way, you can wind up causing a malfunction or sending yourself into line twists." More details: http://www.quora.com/What-do... - Adriano