Sling Aircraft (Pty) Ltd, formerly called The Airplane Factory (Pty) Ltd., is a South African aircraft manufacturer based at Tedderfield Airpark, Eikenhof, Johannesburg South. The company specializes in the design and manufacture of light aircraft in the form of kits for amateur construction and ready-to-fly aircraft for the Fédération Aéronautique Internationale microlight and the American light-sport aircraft categories.

The Sling Aircraft Sling 2, formerly called The Airplane Factory Sling 2, is a South African two-seater light aircraft designed and produced by Sling Aircraft in Johannesburg, South Africa. In 2009 the specially modified second prototype was flown around the world in a westerly circumnavigation which took 40 days. This was the first time any aircraft of this class had achieved a circumnavigation. The design complies with the requirements of four different regulatory aircraft classes.