Accident Details
A glider experienced a hard landing, resulting in substantial damage. The certified flight instructor (CFI) was seated in the rear seat and had allowed the front seat pilot to perform the landing. According to the CFI's statement, while the glider was over the runway, the sink rate increased dramatically to a rate too high for a normal touchdown. The front seat pilot applied full back stick, causing the nose to rise, which significantly arrested the sink rate.
Landing Sequence
The initial ground contact was made by the tail wheel, followed by the main wheels. The CFI noted that the dive brakes were partially extended during the landing. It was unclear from the CFI's observation whether the dive brakes had been closed and then reopened during the rollout or remained open throughout the landing.
Aircraft Damage
The glider sustained substantial damage as a result of the hard landing. No information was provided regarding the aircraft type, registration, operator, location, date, time of day, weather conditions, or ATC involvement.