The FAA has mailed out invitations to participate in its 2006 General Aviation and Part 135 Activity Survey. Those selected will receive a letter containing directions for the Web-based survey, as well as their unique code to complete it. This year’s survey will include all turbine-powered aircraft owners and operators, Part 135 owners and operators, all rotorcraft, Alaska-based aircraft and light sport aircraft–in all targeting 84,000 GA aircraft. The agency says it will use data gathered in the voluntary survey to provide information for safety and usage studies. The final date for participating is August 6.