NEW : The downed plane had video and data recording devices , a CNN official says . NEW : Some of the data was transmitted , and several memory cards have been found . NEW : The pilot did not send a `` Mayday '' call , as had previously been reported . The remainder have been released . More of the four people killed in Sunday 's crash were identified Friday .
NEW : The downed plane had video and data recording devices , a CNN official says . NEW : Some of the data was transmitted , and several memory cards have been found . NEW : The pilot did not send a `` Mayday '' call , as had previously been reported . More of the four people killed in Sunday 's crash were identified Friday .