On 26 September 2022, an ATR 72-212A aircraft was being operated by PT Pelita Air Service (PAS) on unscheduled passenger flight from LNG Badak Airport (WALC), Bontang to Sultan Aji Muhammad Sulaiman Sepinggan International Airport (WALL), Balikpapan.

At 2359 UTC (0759 LT), on daylight condition, the aircraft departed from Bontang with flight number PAS140. There were 42 persons on board the aircraft, consisted of two pilots, two flight attendants and 38 passengers. The Pilot in Command (PIC) acted as Pilot Monitoring (PM) and the Second in Command (SIC) acted as Pilot Flying (PF).

During the flight, the pilots received meteorological report published at 0000 UTC (0800 LT) from the Automatic Terminal Information System (ATIS). The report indicated that the wind direction was 240° with velocity of 3 knots, and visibility was more than 10 km without any significant weather.

At 0827 LTC, the PM reported to the approach controller that the aircraft established the localizer and was instructed to contact the tower controller. The PM made initial contact to the tower controller and was instructed to continue the landing approach. The visibility decreased to 300 meters, and the tower controller asked the PAS140 whether the runway was in sight. The PM responded that the runway was not in sight.

At 0830 LT, the tower controller advised PAS140 if the runway was in sight, the PAS140 was cleared to land to Runway 25, in addition the tower controller also advised that the wind direction was 240° with velocity of 12 knots, and the runway was wet.

The aircraft touched down and veered to the right, and the right main wheel travelled outside runway pavement. While returning to the runway, the left mainwheel impacted one runway edge light. The aircraft continued the taxi to the parking stand, and after the aircraft stopped, passenger was disembarked.

At the time of issuing this investigation report, the KNKT had been informed of safety actions resulting from this occurrence taken by the aircraft operator, Air Traffic Services (ATS) provider and the airport operator. However there still safety issues remain to be considered, therefore, the KNKT issued safety recommendations to the ATS provider.

The investigation involved the participation from Bureau d’Enquêtes et d’Analyses (BEA) as the State of Aircraft Design and Manufacture. The agency has appointed accredited representatives to assist the investigation in accordance with the provisions in International Civil Aviation Organization (ICAO) Annex 13.

The investigation is continuing. Should any further relevant safety issues emerge during the course of the investigation, KNKT will immediately bring them to the attention of the relevant parties and publish as required.