South Korean authorities said Thursday that all airports in the country would be required to deploy thermal imaging cameras and bird detection radar systems in the wake of the Jeju Air crash that left 179 dead.

The South Korean government has formed an aviation safety committee that should present its findings in March.

South Korea released a preliminary report into last month’s deadly Jeju Air Co. crash that offers more detail on the role of bird strikes in the disaster, while still leaving crucial questions unanswered.

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Authorities have suggested that migratory bird strikes were the cause of last month's deadly plane crash in South Korea, according to multiple reports.

Pilots’ actions after that strike are an early focus of the investigation, according to people familiar with the probe.