NEW : Tapes indicate crew reported ice buildup on windshield , wings , NTSB report . `` It was an enormous explosion . NEW : Crew attempted to raise gear and reset flaps before recordings ended . Reports say all 49 aboard the plane died ; one confirmed death on ground . A widow , mother , human rights activist among the dead .
NEW : Tapes indicate crew reported ice buildup on windshield , wings , NTSB report . NEW : Crew attempted to raise gear and reset flaps before recordings ended . Reports say all 49 aboard the plane died ; one confirmed death on ground . A widow , mother , human rights activist among the dead .