Transport i lotnictwo · 10/01/1995
Grob Proposes Airworthiness Directive for G109B Gliders to Replace Elevator Hinges
The Federal Aviation Administration (FAA) is considering a new airworthiness directive (AD) for B. Grob Flugzeugbau Model G109B gliders, which would require replacing the elevator inner hinges with improved design hinges to prevent loss of control due to delamination or corrosion.