Ongoing NTSB investigations: Biuro Projektowe B Bogumil Ber SZD-56-2 DIANA-2

0 cases on aircraft the registry lists as Biuro Projektowe B Bogumil Ber SZD-56-2 DIANA-2. Aircraft are matched to the registry by N-number and event date, checked against the reported serial number, make and model, so older matches can be wrong.