Core Viewpoint - The Trump administration's proposal to ban Chinese airlines from flying over Russian airspace on flights to and from the U.S. has raised significant concerns within the Chinese and U.S. aviation industries [1][5]. Group 1: Impact on Airlines - Seven Chinese airlines, including Air China and China Eastern Airlines, have jointly requested the U.S. Department of Transportation (DOT) for more time to assess the impact of the proposed ban on their operations, arguing that it would disrupt travel plans for passengers [1][4]. - The proposed ban could lead to increased flight times and fuel costs for Chinese airlines, with an example indicating that a Beijing-New York flight might require an additional two hours of flying time, resulting in increased fuel expenses of several hundred thousand dollars [7]. Group 2: Regulatory Context - The U.S. DOT has set an unusually short two-day period for airlines to respond to the proposed ban, which has been criticized by Chinese airlines as insufficient for a thorough evaluation [1][5]. - The final decision on the ban could be implemented as early as November of this year, amidst escalating tensions between the U.S. and China over various economic issues [5][7]. Group 3: Public and Expert Reactions - Chinese officials have criticized the U.S. for imposing restrictions on Chinese airlines, suggesting that such actions are detrimental to bilateral relations and the interests of consumers [7]. - Many American commenters on the DOT's public review page have expressed concerns about the negative impacts of the ban, including longer flight times, reduced travel options, increased ticket prices, and adverse environmental effects [7][9].