The National Transportation Safety Board is an independent Federal agency charged by Congress with investigating every civil aviation accident in the United States and significant accidents in other modes of transportation.
The world's air sports federation. It is a non-governmental and non-profit making international organization with the basic aim of furthering aeronautical and astronautical activities worldwide.
The official SSA website has a database-driven section called "where to fly". Search by state and type of operation. Database is updated on a regular basis by the SSA staff.
A branch of the Federation Aeronautique Internationale and world administrator for the sport. It is a non-governmental and non-profit making international organization with the basic aim of furthering aeronautical and astronautical activities worldwide.