The Schleicher ASG 29 is a German sailplane manufactured by Alexander Schleicher GmbH & Co since 2006. It can be flown as an 18 metre Class glider or as a 15 metre Class glider. The 'G' indicates a design by Michael Greiner. It is a refinement of the popular ASW-27 and for certification purposes it is designated the ASW-27-18. It has been replaced by the Schleicher AS 33.