Glider Substantially Damaged in Michigan Accident; No Injuries

A two-seat training glider was substantially damaged in an accident near Gregory, Mich., on June 3, 2026, according to preliminary data filed with the National Transportation Safety Board.

The aircraft — a Burkhart Grob Flugzeugbau G103 Twin Astir registered as N4101M — was involved in the incident in Livingston County. No fatalities or injuries were reported. The NTSB has not yet released a narrative or preliminary cause determination, and the identities of the pilot and operator have not been disclosed in public records.

The Grob G103 Twin Astir is a German-built composite sailplane widely used by soaring clubs for training and cross-country flight. Investigators are expected to review flight conditions and aircraft maintenance records as part of the standard safety evaluation process.