(10 Nov 2022)
RESTRICTION SUMMARY:
ASSOCIATED PRESS
Jakarta - 10 November 2022
++AUDIO AS INCOMING++
1. Investigator arriving at news conference room
2. Logo of National Transportation Safety Committee
3. Lead investigator Nurcahyo Utomo during the news conference
4. Journalists
5. SOUNDBITE (Indonesian) Nurcahyo Utomo, lead investigator:
"Investigator believed that the right throttle didn't move to reduce the engine power, due to mechanical failure, not the computerized system (specifically) on right thrust throttle."
6. Wide of news conference
7. SOUNDBITE (Indonesian) Nurcahyo Utomo, lead investigator:
"The plane was turning left instead of right and the steering wheel was pointing to the right, and due to lack of monitoring (by the pilots), the recovery reaction was inadequate."
8. Journalists
9. SOUNDBITE (Indonesian) Nurcahyo Utomo, lead investigator:
"At that time, where was no mandatory rules regarding the upset and recovery training in Indonesia, and as the result it affect(ed) how the airlines trained their crews related to it."
ASSOCIATED PRESS
Jakarta - 16 January 2021
10. Tilt down from Investigator to Sriwijaya air wreck laying on the floor
11. Investigator checking part of the airplane engine
ASSOCIATED PRESS
Jakarta - 12 January 2021
12. Various of the crash sight
STORYLINE:
Indonesian aviation investigators concluded Thursday that a nearly decade-long failure to properly repair a malfunctioning automatic throttle, pilots' overreliance on the plane's automation system, and inadequate training contributed to the crash of a Boeing 737-500 last year that killed 62 people.
National Transportation Safety Committee investigators said in their final report that the Sriwijaya Air jet's maintenance record showed the problem with the automatic throttle had been reported by pilots 65 times since 2013 and was still unsolved when the 26-year-old plane plunged into the Java Sea after taking off from Jakarta on Jan. 9, 2021.
Lead investigator Nurcahyo Utomo said at a news conference that the pilots’ last conversation with air traffic control was about 4 minutes after takeoff, when they responded to an instruction to go up to 13,000 feet.
The plane’s flight data recorder showed it reached an altitude of 10,900 feet and then began declining, Utomo said.
The pilot fought to bring the plane up, but “was unable to recover from the situation,” and the jet rolled onto its left side, the report said.
A minute later, the flight data recorder showed that the automatic throttle had been disengaged as the plane pitched down.
The automatic throttle can be used by pilots to set the speed automatically, thereby reducing their workload and wear on the engines.
Many of the problems leading to the crash were disclosed in a preliminary report issued by Indonesian authorities last year, but the final report released Thursday provided new details of the pilots' response to them.
Utomo said inadequate training contributed to the inability of the pilot to recover from the issue or know how to prevent it.
The disaster reignited concerns about safety in Indonesia’s aviation industry, which expanded quickly after the country's economy was opened up following the fall of dictator Suharto in the late 1990s.
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