FILE – Workers unload debris, belonging to the crashed Air France flight AF447, from the Brazilian Navy’s Constitution Frigate in the port of Recife, northeast of Brazil, June 14, 2009. It was the worst plane crash in Air France history, killing people of 33 nationalities and having lasting impact. It led to changes in air safety regulations, how pilots are trained and the use of airspeed sensors. (AP Photo/Eraldo Peres, File)
