Helicopter crashed into Lake Toba with 5 POB, and one survivor Fransiskus Subihardayan found afloat in the shallow water on the side of the lake two days later. Others on board, missing presumed deceased, have been named as pilot Capt Teguh Mulyanto, crew Hari Poerwantono, and passengers Sugianto (who had chartered the aircraft) and Nurhayanto