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.

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

Bird detection radars to be installed at all South Korea airports after Jeju Air crash - Thermal imaging cameras and detection radars will be fitted following the deadly incident in December

The exact cause of the Jeju Air crash remains unclear, and the investigation is complicated because the black boxes stopped recording four minutes before impact.

South Korean officials investigating the fatal Jeju Air crash have published a preliminary report of the accident.

Korean authorities are planning a broad deployment of bird-detection radar, as well as imaging and deterrent technology, in the aftermath of the fatal Jeju Air Boeing 737-800 accident. The aircraft suffered a bird-strike to both engines during approach to Muan airport on 29 December,

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

The South Korean government said Thursday it would deploy thermal imaging cameras and bird detection radar systems at all domestic airports to prevent airplane bird strikes following last month's deadly Jeju Air crash.

The first report on last month’s Jeju Air crash in South Korea confirmed bird strikes in the plane's engines, though officials haven't determined

South Korean authorities said Thursday all airports across the country will be ordered to install bird detection cameras and radars after the Jeju Air crash that left 179 people dead.