飞机安全审查
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UPS和FedEx停飞所有麦道11型货机 加速该机型终结运营进程
Zhong Guo Jing Ying Bao· 2025-11-09 12:45
Core Viewpoint - UPS and FedEx have announced the temporary grounding of all MD-11 cargo aircraft due to safety concerns following a recent accident involving a UPS MD-11, which resulted in 14 fatalities [2][4]. Group 1: Company Actions - UPS has grounded its MD-11 fleet, which constitutes approximately 9% of its total aircraft, based on a recommendation from Boeing [2]. - FedEx has also grounded its MD-11 cargo planes, which make up 4% of its fleet, and is conducting a comprehensive safety review [2]. - Both companies have implemented emergency plans to maintain service continuity for their global customers [2]. Group 2: Regulatory Response - The Federal Aviation Administration (FAA) issued an emergency airworthiness directive on November 8, mandating the grounding of all MD-11 aircraft due to potential safety issues [2]. Group 3: Industry Context - Currently, three U.S. airlines operate MD-11 cargo aircraft: UPS, FedEx, and Western Global Airlines [3]. - The MD-11 aircraft, originally manufactured by McDonnell Douglas, has been out of passenger service since 2014, and its operational future is uncertain following the recent grounding [3]. Group 4: Accident Details - The recent accident involved a UPS MD-11 cargo flight that crashed shortly after takeoff from Louisville International Airport, leading to 14 deaths, including 11 on the ground [4]. - The aircraft involved was a 1991 model, converted from passenger to cargo service in 2006, and had been maintained prior to the incident [4]. Group 5: Company Profiles - UPS operates a total of 295 aircraft, including 27 MD-11s, and has a global logistics network covering over 200 countries with approximately 490,000 employees [5]. - FedEx operates a slightly larger fleet of 28 MD-11s, contributing to its position as one of the largest cargo airlines globally [2].
安全审查更严格、个人偏好要求多,美总统专机新“空军一号”为何难产?
Huan Qiu Shi Bao· 2025-05-20 22:43
Core Points - The article discusses the controversy surrounding President Trump's acceptance of a luxury Boeing 747-8 aircraft valued at approximately $400 million, gifted by Qatar, to serve as a temporary Air Force One due to the aging current fleet and delays in the new aircraft's delivery [3][4][5] - Concerns have been raised regarding the security implications of accepting a foreign gift, with critics highlighting potential risks of espionage and the need for extensive safety checks on the aircraft [5][12] Group 1: Aircraft Details - The aircraft being offered is a 2012 Boeing 747-8 previously used by the former Prime Minister of Qatar, which Trump plans to modify for presidential use [3][4] - The current Air Force One, based on the Boeing 747-200 model, has been in service since the 1990s and is facing issues related to aging and parts supply [3][8] - The new Boeing 747-8 is expected to have enhanced performance, including an increased maximum range from 6,735 nautical miles to 7,730 nautical miles and improved speed from 0.84 Mach to 0.855 Mach [8][9] Group 2: Security and Political Implications - Critics, including former Vice President Pence, argue that accepting the aircraft could compromise U.S. security and intelligence needs, labeling it a "spy nightmare" [3][5] - The Pentagon's standards for Air Force One include capabilities to withstand nuclear attacks and provide secure communication, which may not be met by the gifted aircraft without significant modifications [8][9] - The acceptance of the aircraft raises constitutional concerns regarding government officials receiving gifts, leading to bipartisan criticism [5][12] Group 3: Procurement and Delivery Issues - The new Air Force One project has faced delays, with the first aircraft not expected to be delivered until 2027, significantly later than the original 2022 timeline [10][11] - The procurement process has been complicated by cost overruns and changes in specifications, with the contract value reduced from $52 billion to $39 billion after negotiations [10][11] - Modifications to the aircraft may require extensive work, potentially costing over $1 billion and taking several years to complete, which could hinder Trump's ability to use the aircraft during his presidency [12]