Core Viewpoint - The issue of airlines changing aircraft types leading to consumer disputes is prevalent, with a lack of clear compensation rules for affected passengers [1][4][7] Group 1: Consumer Complaints - There are 531 complaints related to "aircraft type change" on the Black Cat Complaints platform, with significant discussions on social media [2] - Consumers express dissatisfaction when wide-body aircraft are replaced with narrow-body ones, citing better comfort and experience with wide-body planes [2][3] - Specific cases highlight consumers' expectations for certain aircraft types, such as the C919, leading to demands for refunds when changes occur [3][4] Group 2: Airline Policies - Airlines often state that the aircraft type is not part of the transportation contract, allowing them to change aircraft without offering compensation [4][8] - Many airlines have disclaimers indicating that the listed aircraft type is for reference only and not guaranteed [4][5] - Airlines may change aircraft for various reasons, including delays, operational adjustments, or safety concerns [5][6] Group 3: Recommendations for Airlines - Experts suggest that airlines should establish clear compensation standards for aircraft changes, such as allowing free transfers to nearby flights or waiving change fees [7][13] - Airlines are encouraged to inform consumers about the risks of aircraft type changes during the ticket purchasing process [7][13] - The industry lacks standardized compensation measures for changes that affect consumer experience, making it difficult for airlines to implement uniform policies [10][11]