Ultralight aviation, also known as microlight aviation, is a form of aviation that involves flying lightweight aircraft. Some synonyms for ultralight aviation could include "light sport aviation," "miniature aircraft flying," "ultraflight," "microflight," and "nano-aviation." Another synonym could be "ultra-lightweight aircraft," which references the small size and weight of the aircraft used in ultralight aviation. These synonyms all point to the same type of aviation which prioritizes lightweight and smaller aircraft, as well as the thrill of flying in open air with minimal equipment and technology.