Transport i lotnictwo · 25/11/1998
Grob Luft-und Raumfahrt Issues Airworthiness Directive for G 109 and G 109B Sailplanes
The German aviation authority has mandated a new airworthiness directive for Grob Models G 109 and G 109B sailplanes, requiring inspections and replacements to address fatigue cracking of the landing gear legs and prevent loss of control during landing operations.