Emergency Landing of Air China Flight CA139 Due to Lithium Battery Fire

On October 18, 2025, Air China Flight CA139, an Airbus A321, was forced to make an emergency landing at Shanghai Pudong International Airport after a lithium battery in a passenger's carry-on luggage spontaneously ignited. The flight had departed from Hangzhou Xiaoshan International Airport at 9:47 AM, en route to Incheon International Airport in South Korea, carrying 160 passengers and crew members.

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Approximately 30 minutes into the flight, flames erupted from an overhead compartment, filling the cabin with smoke. Passengers reported hearing a loud explosion before the fire broke out, leading to panic as they shouted for help. Video footage captured by passengers showed crew members rushing to extinguish the flames with fire extinguishers while others urged passengers to remain seated. The crew's swift response ensured that the fire was contained quickly, and no injuries were reported among those on board.

Daily Mail

Air China confirmed the incident via a statement on the Chinese social media platform Weibo, stating, “A lithium battery spontaneously ignited in a passenger’s carry-on luggage stored in the overhead bin on flight CA139.” The airline emphasized that the crew handled the situation according to established safety procedures, prioritizing passenger safety. Following the incident, the aircraft was diverted to Shanghai for an unscheduled landing to ensure flight safety.

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This incident highlights ongoing concerns regarding the safety of lithium batteries on commercial flights. In June 2025, the Civil Aviation Administration of China implemented stricter regulations, banning the transport of portable batteries that lack proper safety certification on domestic flights. The Federal Aviation Administration (FAA) has also recorded numerous incidents involving lithium batteries, prompting airlines worldwide to tighten restrictions on their transport in checked baggage.

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Despite the successful handling of the emergency, the incident has raised questions about the adequacy of existing regulations concerning lithium batteries. Critics argue that more stringent measures are necessary to prevent similar occurrences in the future, especially given the increasing number of incidents involving lithium batteries on flights across Asia. Previous incidents, such as a China Southern Airlines flight returning shortly after takeoff due to smoke from a passenger's battery, underscore the urgency of addressing these safety risks.

People Magazine

Following the emergency landing, passengers were transferred to a replacement aircraft to continue their journey to Seoul. The incident is likely to prompt further scrutiny of safety protocols regarding lithium batteries in aviation, as authorities assess the effectiveness of current regulations and consider additional measures to enhance passenger safety.

Battery Fire Forces Air China Emergency Landing in South Korea

• “A lithium battery spontaneously ignited in a passenger's carry-on luggage stored in the overhead bin on flight CA139,” — Air China Statement

People Magazine

• “The crew immediately handled the situation according to procedures, and no one was injured,” — Air China Statement

People Magazine

This incident serves as a reminder of the potential hazards associated with lithium batteries in aviation and the importance of adhering to safety regulations to protect passengers and crew.

New York Post