The Indonesian accident investigating agency, NTSC, released a preliminary report on the fatal accident of a DHC-6 Twin Otter, August 2, 2009.
A Merpati Nusantara Airlines DHC-6 Twin Otter passenger plane was destroyed when it flew into the side of a mountain during a domestic flight from Jayapura (DJJ) to Oksibil Airport (OKL). Merpati Flight MZ9760D took off at 10:15 with an estimated time of arrival at Oksibil of 11:05. The flight was reported missing and a search was initiated. The wreckage was located August 4 on a mountainside at an elevation of 9300 feet.