After trialing iPads as EFBs in 2011, Delta Air Lines announced in August 2013 it would replace a policy allowing pilots to use personal tablets as EFBs.[15][16] Delta planned to provide new certified EFBs to all of its pilots by May 2014,[17] after FAA approval in February.[18][19][20] Early risk of breakage to iPads used as EFBs was addressed through rugged case design.[21]