The government of Germany notified the NTSB of an accident involving an amateur-built ROTORWAY EXEC helicopter that took place on March 25, 2018, in Koblenz-Winningen, Germany. The aircraft involved was registered as D-HEDM.
Under the provisions of ICAO Annex 13, the NTSB has appointed a U.S. Accredited Representative to assist the German government's investigation. There were no injuries reported in the accident.