Royal Aeronautical Society | 65,137 followers on LinkedIn. The leading professional community and independent source of knowledge in aerospace, aviation and space. | The world's only professional body dedicated to the entire aerospace community. Established in 1866 to further the art, science and engineering of aeronautics, the Society has been at the forefront of aerospace ever since. There is a place in membership for anyone in, or interested in the aeronautical or aerospace sector.