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.