2021 DHC-6-300 Crash in Papua (PK-OTW)

Flight Details and Departure On 15 September 2021, a DHC-6-300 (Twin Otter) aircraft registered PK-OTW departed Douw Aturure Airport (WABI) in Nabire, Papua, for an unscheduled cargo flight to Bilorai Airport (WAYB) in Intan Jaya, Papua. The aircraft was crewed by two pilots and one engineer. The flight plan specified Visual Flight Rule (VFR) operations with a fuel endurance of 2 hours 30 minutes. The estimated time of departure was 0640 local time (LT). Prior to departure, the pilot received weather updates from the Bilorai aeronautical communication officer (ACO) indicating visibility of 5 to 7 kilometers, with several clouds over the airport and clear final areas. A subsequent update reported visibility improving to 7 to 8 kilometers. The aircraft taxied to Runway 16 and departed at 0644 LT, climbing to a cruising altitude of 9,500 feet. No aircraft system malfunctions were reported before departure. The Pilot in Command (PIC) initially served as Pilot Monitoring (PM), while the Second in Command (SIC) acted as Pilot Flying (PF).