6000架空客A320飞机紧急停飞换软件，国内航班影响几何

Core Insights - Airbus announced that approximately 6,000 A320 series aircraft require urgent replacement of flight control software affected by solar radiation [1][3] - The issue was identified following an incident involving a JetBlue aircraft at the end of October, prompting Airbus to instruct all customers using the software to "immediately cease operations" [1] - The FAA reported that 545 aircraft in the U.S. are affected, with airlines globally implementing emergency repairs, leading to flight cancellations and delays [1][2] Group 1 - The European Union Aviation Safety Agency (EASA) issued an emergency airworthiness directive requiring updates to the A320 series software [2] - The software issue is related to particle radiation affecting digital chips, causing data corruption, and the solution involves reverting to a previous software version, taking about 1-2 hours for most aircraft [2] - Vietnam Airlines has received a mandatory technical directive from Airbus and the Civil Aviation Authority of Vietnam (CAAV) to update its A320 and A321 aircraft, with updates expected to be completed by November 29 [2] Group 2 - There are approximately 11,300 A320 series aircraft in service globally, meaning over half of the fleet is impacted by the software issue [3] - In China, airlines operating Airbus aircraft are conducting urgent checks, leading to delays or cancellations of some flights [4] - The domestic A320 fleet consists of 2,015 aircraft, accounting for 48.3% of the total civil aviation fleet, distributed among 24 airlines [4]