More than fifteen years ago airspace-v.com was launched. A web site with mapdata for general aviation. In the meantime resources for mapping and foraviation information have changed and improved a lot. Web site airspace-v.comis under refurbishment now. It is becoming an application of OpenStreetMapshowing information collected from public sources on the net. Here you can seewhich information is presented on the map and you can learn a fewimplementation details for efficient database querying of distances and a filebased location name lookup that is extremely fast.