AeroVironment, Inc. has announced the achievement of a technical milestone, controlled precision hovering and fast-forward flight of a two-wing, flapping wing aircraft. They have also released video from the final project phase of its Nano Hummingbird Nano Air Vehicle (NAV), developed with funding from DARPA's Defense Sciences Office. AeroVironment has been previously mentioned on Robots.net in connection with their WASP Micro Air Vehicle. (via KurzweilAI)