Australian Light Aircraft Championships
The Australian Light Aircraft Championships (ALACs) are an annual Australian flying competition for non-professional pilots, organised by the Royal Federation of Aero Clubs of Australia in conjunction with a host aero club. The championships have been held since 1957 and include events such as forced landing, spot landing, streamer cutting, formation flying and aerobatics.
Source: Wikipedia — Australian Light Aircraft Championships (CC BY-SA 4.0)