According to the Civil Aviation Authority of Vietnam, at 11:00 p.m. on November 28, 2025 (16:00 p.m. international time - UTC), Airbus Aircraft Manufacturer sent an urgent warning message (AOT); at the same time, the European Aviation Safety Authority (EASA) issued the Emergency Flight Eligibility Directive (EAD) No. 2025-0268-E requesting airlines around the world that are operating aircraft produced by Airbus, including A319, A320, A321, to replace equipment or update ELAC computer control software (altitude control and flight direction). The effect before the first flight is from 23:59 UTC on November 29, 2025 (6:59 a.m. on November 30, 2025 Vietnam time).
That same night, the Civil Aviation Authority of Vietnam held an urgent meeting with Vietnamese airlines to implement. According to reports from airlines (at 5:30 a.m. on November 29, 2025), the number of affected aircraft was 81/169 A320/A321.
Therefore, in the coming days, some flights of airlines will also be affected by the implementation of this order. The airlines have also reviewed and prepared materials, spare parts, software, and human resources to immediately deploy and set a goal of completing the contents as required by EASA and the Airbus aircraft manufacturer as soon as possible, and also urgently reviewed the exploitation plan especially on November 30 and December 1 to make appropriate adjustments, promptly inform passengers and minimize flight cancellations that affect passengers.
This was an irresistible situation. To ensure aviation safety, maintain smooth air transportation, and limit the impact on passengers, the Civil Aviation Authority of Vietnam issued Official Dispatch No. 5924/CD-CHK dated November 29, 2025.
The Department requires Vietnamese airlines to: (i) proactively organize the implementation immediately and fully comply with the contents of EAD 2025-0268-E; (ii) based on the progress of EAD implementation, review the exploitation plan, adjust flight schedule accordingly, minimize the impact on passengers; (iii) promptly notify passengers about changes to flight schedules on all information and customer care channels; (iv) support and facilitate passengers in changing their routes due to flight cancellation, flight time changes (no flight change fees, refunds, arrangement of the most recent flight); (v) strictly implement the responsibility and obligations of the air carrier in case of delayed or canceled flights; (vi) coordinate, support and share resources to ensure quality and progress of EAD implementation.
For Vietnam Airports Corporation (ACV), Van Don International Airport, based on the flight plan, the Department requires coordination with Vietnamese and international airlines, Vietnam Air Traffic Management Corporation (VATM) to ensure safe, secure and orderly operation at airports; support and serve affected passengers.
Airports are assigned to coordinate with airports in coordinating exploitation activities; perform on-duty, inspect, monitor safety and service quality at airports; handle issues arising at airports in accordance with their authority, not allowing incidents affecting security and safety of operations to arise.
The Civil Aviation Authority of Vietnam also requires units to report to the Department on implementation results; promptly report difficulties, problems and arising issues for the Civil Aviation Authority of Vietnam to consider and direct.