Emergency Declaration (Korean: 비상선언; Hanja: 非常宣言 Bisang Seoneon) is a 2021 South Korean disaster film written and directed by Han Jae-rim, starring Song Kang-ho, Lee Byung-hun, Jeon Do-yeon, Kim Nam-gil, Im Si-wan, Kim So-jin and Park Hae-joon.

[10][11] Veteran detective team leader In-ho receives a report of a video of a plane terror attack and while investigating the case, he discovers that the suspect is actually on board Flight KI501.

Jae-hyuk, who has decided to leave for Hawaii despite his fear of flying for his daughter's treatment, becomes concerned about a stranger who is hovering around him and making threatening remarks.

An unexplained death occurs on Flight KI501, which took off from Incheon to Hawaii, plunging both the plane and the ground into chaos and fear.

On August 29, 2019, Showbox confirmed that Song Kang-ho and Lee Byung-hun have agreed to appear in director Han Jae-rim's next film Emergency Declaration.

[45] Im Soo-yeon of Cine21, stated that the film "resembles director Bong Joon-ho's Monster rather than a Hollywood movie about hijacking or aviation disasters".

Concluding, Im wrote, "This is a new film from director Han Jae-rim, who directed Contemplation and The King.

"[47] Peter Debruge of Variety appreciating the film wrote, "From a storytelling perspective, seeing what Han can do with the interior of a plane — and a whole lot of CGI — is downright inspirational.

"[49] Laura Sirikul of The Nerds of Color rated the film 3.5/5 and praised, the production design, cinematography, and CGI on the plane interior as "incredible".