Trigana Air Flight 267, an ATR 42, crashes in Oksibl, Bintang Mountains Regency, killing all 54 people on board.

Trigana Air Flight 267 was a scheduled passenger flight from Sentani to Oksibil in the eastern Indonesian province of Papua. On 16 August 2015, the ATR 42 turboprop operating the service crashed on approach in the Bintang highlands region of Oksibil, killing all 49 passengers and 5 crew members.

The ATR 42 is a regional airliner produced by Franco-Italian manufacturer ATR, with final assembly in Toulouse, France. On 4 November 1981, the aircraft was launched with ATR, as a joint venture between French Aérospatiale and Aeritalia . The ATR 42-300 performed its maiden flight on 16 August 1984 and type certification was granted during September 1985. Launch customer Air Littoral operated its first revenue-earning flight in December of that year.

Oksibil is a town and a district of Highland Papua in Indonesia that is also the administrative centre of the Pegunungan Bintang Regency. According to the 2010 census the district had a population of 4,087 inhabitants and on 2018 it increased to 4,566. The town is divided into eight villages (desa), with most populated one being Mabilabol with population of 1,460 in 2018 and the least populated one is Molbib Silibib with only 70 people living there according to Statistics Indonesia. Sex ratio in the district as of 2018 was 147 men for every 100 women. Other than being the most populated, Mabilabol is also the most densely populated village.

Pegunungan Bintang Regency or Bintang Mountains Regency is a regency in the Indonesian province of Highland Papua. It was created on 11 December 2002 from the north-eastern districts of Jayawijaya Regency. It covers an area of 15,683 km², and had a population of 65,434 at the 2010 Census and 77,872 at the 2020 Census; the official estimate as at mid 2024 was 114,581 – comprising 61,112 males and 53,469 females. The administrative centre is the town of Oksibil.