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62 fatalities

Sriwijaya Air Flight 182 Accident (PK-CLC)

Jakarta, IndonesiaTakeoff (climb)

On January 9, 2021, a Boeing 737-500 (registration PK-CLC) operated by Sriwijaya Air was involved in an aviation accident near Jakarta, Indonesia during takeoff. 62 people were killed. Investigators recorded the probable cause as: The official findings identified several contributing factors, including unresolved friction or binding in the thrust lever mechanical system, which caused thrust asymmetry. This summary draws on records from the Bureau of Aircraft Accidents Archives (B3A); 16 related events involving the same aircraft type or operator are linked below.

Sourcesthe Bureau of Aircraft Accidents Archives (B3A)Primary report: the Indonesian National Transportation Safety Committee (KNKT)Updated 2026-09-03Data APIEditorial standards
Aircraft registered PK-CLC
Aircraft registered PK-CLC. Photo: PK-REN / CC BY-SA 2.0, via Wikimedia Commons

On 9 January 2021, Sriwijaya Air Flight 182, a Boeing 737-500 (PK-CLC), crashed after departing Jakarta. The aircraft lost contact after a climb, with FDR data showing thrust asymmetry and a left roll before the signal ended.

Flight Details and Departure On 9 January 2021, PT. Sriwijaya Air Flight 182, a Boeing 737-500 with registration PK-CLC, departed Soekarno-Hatta International Airport (WIII) in Jakarta for Supadio International Airport (WIOO) in Pontianak. The flight carried two pilots, four flight attendants, and 56 passengers. The aircraft departed Runway 25R at 0736 UTC (1436 LT) in daylight conditions. The filed flight plan indicated a fuel endurance of 3 hours 50 minutes. After takeoff, the pilot contacted the Terminal East (TE) controller and was instructed to follow the Standard Instrument Departure (SID) with an unrestricted climb to level 290. The autopilot engaged at an altitude of 1,980 feet at 14:36:51 LT.

Probable cause

The official findings identified several contributing factors, including unresolved friction or binding in the thrust lever mechanical system, which caused thrust asymmetry. The autothrottle system failed to disengage promptly due to an undervalued spoiler angle position input. Additionally, automation complacency and confirmation bias may have reduced active monitoring, while the absence of national standards for Upset Prevention and Recovery Training (UPRT) may have contributed to inadequate pilot training for upset conditions.

Related events

Same aircraft family

Same operator

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Frequently asked questions

What happened in the 9 Jan 2021 Boeing 737-500 accident near Jakarta, Indonesia?

On 9 January 2021, Sriwijaya Air Flight 182, a Boeing 737-500 (PK-CLC), crashed after departing Jakarta. The aircraft lost contact after a climb, with FDR data showing thrust asymmetry and a left roll before the signal ended.

Were there any fatalities in the 9 Jan 2021 Boeing 737-500 accident?

The accident was fatal, resulting in 62 fatalities.

What aircraft was involved and where did it happen?

The accident on 9 Jan 2021 involved a Boeing 737-500, registration PK-CLC, operated by Sriwijaya Air, at Jakarta, Indonesia.

What was the probable cause of the accident?

The official findings identified several contributing factors, including unresolved friction or binding in the thrust lever mechanical system, which caused thrust asymmetry. The autothrottle system failed to disengage promptly due to an undervalued spoiler angle position input. Additionally, automation complacency…

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