Flight History
On 19 October 2012, a Boeing 737-400 aircraft, registered as PK-CKN, operated by PT. Sriwijaya Air as flight number SJ182, was scheduled for a passenger flight from Soekarno-Hatta International Airport (Jakarta) to Supadio International Airport (Pontianak). The aircraft was pushed back at 0735 UTC with 166 persons on board, consisting of two pilots, four flight attendants, and 160 passengers. According to pilot interviews, they received weather information from air traffic control while en route.
Aircraft and Personnel Information
The aircraft involved was a Boeing 737-400. The pilot in command and second in command held valid licenses and met experience requirements as outlined in the report. The aircraft's weight and balance were within limits.
Runway and Meteorological Conditions
Supadio International Airport had a single runway. At the time of the incident, there was standing water on intersection taxiway Charlie. Weather information was reported by air traffic control to the pilots.
Flight Data and Damage
Flight data recorder (FDR) and cockpit voice recorder (CVR) data were recovered and analyzed. The FDR graph indicated the aircraft's speed and altitude profile. The aircraft sustained damage to its main wheels, with tire damage observed on the inner side of both main wheels. Reverted rubber spots were found on wheel numbers 2 and 3. White marks on the runway indicated the path taken during the excursion. The aircraft came to rest at a final position away from the runway.
Investigation Findings and Conclusions
The investigation analyzed landing distance performance, approach preparation, and the possibility of hydroplaning. The landing distance performance table and the landing data card were reviewed. The report concluded with findings and contributing factors. Safety actions were taken by PT. Sriwijaya Air and the Supadio Airport Authority, and recommendations were issued to the airline, airport, and the Directorate General of Civil Aviation.