https://phys.org/news/2019-03-ethiopian-plane-due-week.html

"The U.S. National Transportation Safety Board, France's BEA and an Ethiopian Transport Ministry department have been conducting the investigation," he said. "It has been conducted as per International Civil Aviation Organization rules and regulations."

On Monday, Ethiopian Airlines' CEO Tewolde Gebremariam said the pilots who flew the plane that crashed on the outskirts of the capital, Addis Ababa, had trained on "all appropriate simulators," rejecting reports that they had not been adequately prepared to handle the new aircraft.