.Author Ahmad Naufal Dzulfaroh | Resa Editor Eka Ayu Sartika KOMPAS.com - Today one year ago, the Lion Air JT-610 Jakarta-Pangkal Pinang route crashed in Karawang waters on October 29, 2018. A total of 189 people consisting of 179 adult passengers, 1 child passenger, 2 babies, 2 pilots, 5 crew were declared dead.
Chronology
of the Lion Air JT-610 aircraft took off at 06.20 WIB from Soekarno Hatta Airport on the route of Depati Amir Airport in Pangkal Pinang, Bangka Belitung. The aircraft is scheduled to arrive at its destination at around 07.20 WIB. However, 13 minutes after airing, the plane crashed at 06.33 WIB at coordinates S 5'49.052 "E 107'06.628". Head of the Pangkal Pinang SAR Office, Danang Priandoko, said the pilot had asked for a return to base (RTB) from the Soekarno-Hatta Airport supervisor. Also read: A year of Lion Air JT610 accident in Karawang waters: I accept whatever the result is ... "I asked for a return, but apparently it never arrived. It turned out that contact lost and fell," said Danang. Muksi (40), a resident of Tanjung Pakis Village, Pakis Jaya District, Karawang said that fishermen who went to sea Monday morning heard a sound like a loud bang. "The loud noise was around 6:30 a.m.," said Muksi, quoted from a news report on Kompas Daily, October 30 2018.
Had Problems The day before, Sunday, the aircraft's operating system had a problem. However, the airline confirmed that the problem had been fixed before the plane returned to operation. "The technical problems on the previous day were not serious problems because they could be handled quickly," said Lion Group CEO Edward Sirait. Although he did not specify, Edward said that the Boeing 737 MAX 8 aircraft had technical problems on the Denpasar-Jakarta route. The damage was found less than 10 hours before the flight of the same plane. Arriving in Jakarta, according to Edward, the Lion Air technician had fixed the engine problem according to the procedure determined by the Boeing manufacturer. Meanwhile, Corporate Communications Strategic of Lion Air, Danang Mandala Prihantoro emphasized that the aircraft was feasible to operate and was a new aircraft. "The aircraft with the PK-LQP registration type Boeing 737 MAX 8 was made in 2018 and has only been operated by Lion Air since August 15, 2018. The aircraft was declared operational worthy," said Danang, quoted from Kompas.com (29/10/2018). Also read: JT 610 accident, Lion Air boss claims to be ready to run KNKT recommendations According to him, the captain or pilot on this flight already has more than 6 thousand hours of flying experience and the copilot has more than 5 thousand flight hours. Meanwhile, the National Transportation Safety Committee (KNKT) said the plane had not been in the air for long. "It's still just August, September, October. It's only been on the air for two months," said KNKT Chairman Soerjanto Tjahjono, quoted from the news on Kompas.com (29/10/2019). According to him, the JT 610 aircraft belonging to the Lion Air airline has approximately 800 flight hours.
The results of the NTSC Investigation Ministry of Transportation released the final report on the investigation of the B737 MAX8 Lion Air flight JT 610 aircraft accident, Friday (25/10/2019). Quoted from the news on Kompas.com (25/10/2019), the KNKT concluded that there were nine factors that contributed to the accident. Broadly speaking, it is a combination of mechanical factors, aircraft design, and lack of documentation about aircraft systems. In addition, another contributing factor is the lack of communication and manual control between the pilot and co-pilot along with distraction in the cockpit. Based on evidence of recorded data and conversations during the flight, the NTSC concluded that the copilot was not familiar with the procedure, even though he was shown how to handle the aircraft during training. When the B737 MAX 8 experiences problems reading the speed in the air after take off, the pilot captain must ask the copilot twice for a checklist. It took four minutes to find the required processor in the aircraft manual. In addition, the technical factor that was revealed was an important sensor that was incorrectly calibrated by an aircraft repair shop in Florida.
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