（文章来源：新华社） 美国联邦航空局21日向多家重要航空公司发出警告，鉴于"安全局势恶化"以及"委境内和周边军事活动 加强"，任何民航客机飞越委内瑞拉领空都会"面临危险境况"，各航企需"谨慎行事"。 瑞典24小时飞行雷达网站及委内瑞拉主要机场——迈克蒂亚机场和西蒙·玻利瓦尔国际机场官网的信息 显示，多家航司22日取消了委内瑞拉的航班。巴西戈尔航空公司、哥伦比亚航空公司和葡萄牙空运公司 取消了22日从委内瑞拉首都加拉加斯出发的航班。西班牙航空公司将从24日开始取消飞往加拉加斯的航 班。（记者：李雯、王逸君、田睿；视频：操兰漪） 国际航空运输协会24日表示，委内瑞拉国家民航局告知各国际航空公司，必须在48小时内恢复飞往该国 的航班，否则将面临失去飞往该国许可的风险。 ...

航空机载惰性气体发生系统行业概述及统计范围 航空机载惰性气体发生系统是一种通过产生惰性气体（如氮气）来减少燃油箱内氧气含量的系统。它有效防止燃油箱 内气体与燃料发生爆炸性混合，保障飞行安全，常用于现代飞机的燃油系统中。 主要利用碳分子筛对氧气和氮气吸附能力的差异来分离空气。碳分子筛对氧气的吸附速度远快于氮气，在短时间内可吸附 大量氧气，从而使排出的气体主要为氮气。不过，分子筛制氮的系统较为复杂，整体重量较大，在机载应用中存在一定局 限性，未成为最主流的机载系统，但仍在部分机型上有应用。 其他 其他主要包含以下类型： 瓶装液化惰性气体系统：早期军用飞机常用，如液氮、气氮等瓶装气体系统，可满足瞬时大流量惰化气量要求，但气体携 带量有限，持续惰化时间短，对地勤保障要求高，经济效益差，目前基本已被淘汰。 哈龙惰化系统：哈龙气体可通过置换氧气并影响燃烧化学反应来达到惰化目的，少量哈龙气体就能抑制燃烧。但哈龙对臭 氧层有破坏作用，根据《蒙特利尔议定书》等相关国际公约，已逐渐被淘汰。 燃油催化惰化系统：将发动机引气与燃油混合，在高温催化床中催化，使气流中的氧被消耗掉，在油箱上部形成由二氧化 碳和一氧化碳等组成的惰性气体，以 ...

2025.11. 23 第 一 财 经 持 续 追 踪 财 经 热 点 。 若 您 掌 握 公 司 动 态 、 行 业 趋 势 、 金 融 事 件 等 有 价 值 的 线 索 ， 欢 迎 提 供 。 专 用 邮 箱 ： bianjibu@yicai.com （注：我们会对线索进行核实。您的隐私将严格保密。） 推荐阅读 千元蟹卡成本仅百元，独家揭秘→ 据央视新闻，记者 当地时间22日获悉， 多家航空公司开始取消往返委内瑞拉的航班 。 取消的航班包括哥伦比亚Avianca航空波哥大-加拉加斯航线、巴西GOL航空圣保罗-加拉加斯航 线、葡萄牙TAP航空里斯本-加拉加斯航线。此外，西班牙伊比利亚航空、特立尼达和多巴哥加勒比 航空（Caribbean Airlines）以及智利拉塔姆航空（LATAM）也决定取消飞往委内瑞拉的商业航 班。 此前11月21日，美国联邦航空管理局发布航行通告，警告称在委内瑞拉空域存在"潜在危险局势"， 受安全局势恶化及委内瑞拉境内和周边军事活动加剧的影响，在该空域所有高度运行的民航飞机都需 保持警惕。 微信编辑 | 七三 本文字数：373，阅读时长大约1分钟 0 at 7 ...

（文章来源：央视新闻） 当地时间22日获悉，多家航空公司开始取消往返委内瑞拉的航班。 取消的航班包括哥伦比亚Avianca航空波哥大-加拉加斯航线、巴西GOL航空圣保罗-加拉加斯航线、葡萄 牙TAP航空里斯本-加拉加斯航线。此外，西班牙伊比利亚航空也决定取消所有飞往委内瑞拉的商业航 班。 此前11月21日，美国联邦航空管理局发布航行通告，警告称在委内瑞拉空域存在"潜在危险局势"，受安 全局势恶化及委内瑞拉境内和周边军事活动加剧的影响，在该空域所有高度运行的民航飞机都需保持警 惕。 ...

《中国民航报》、中国民航网 记者胡夕姮 通讯员邓洁报道：近日，华东地区年度航空安全工作研讨会 在上海隆重召开。本次会议深入贯彻党的二十届四中全会精神和民航局的各项安全工作部署，总结辖区 2025年安全工作成效，系统谋划"十五五"期间安全监管思路。 会议指出，安全是发展的前提，发展是安全的保障，各单位要牢牢把握"十五五"时期我国发展必须遵循 的重要原则，统筹安全与发展，强化底线思维，有效防范化解各类风险，以新安全格局保障新发展格 局；要牢牢把握新时代新征程民航安全工作的各项要求，切实把思想和行动统一到民航局对形势的科学 判断和各项部署上来，把安全融入发展规划、管理决策、生产运行和日常执行各环节全过程，持续抓好 责任落实、生产组织、规章执行、能力提升和体系建设；要牢牢把握华东民航运行的特点趋势和安全监 管的使命任务，构建更高水平航空安全治理体系，完善安全责任体系，强化科技支撑赋能，持续提升安 全监管效能，始终确保"两个绝对安全"。 会议强调，各单位要聚焦重点领域和关键环节，坚持问题导向与结果导向相统一，全面推进差异化精准 监管，强化风险事前预防能力，压紧压实安全监管责任。要持续深化飞行员能力建设，不断夯实飞行安 ...

Core Viewpoint - Delivery companies UPS and FedEx have temporarily grounded their fleets of McDonnell Douglas MD-11 cargo planes following a fatal crash involving a UPS MD-11 in Kentucky, which resulted in at least 14 fatalities, including three crew members [1][2]. Company Actions - UPS stated that the MD-11 planes constitute approximately 9% of its fleet and emphasized that contingency plans are in place to maintain reliable service for customers globally [2]. - FedEx operates 28 MD-11s as part of a larger fleet of around 700 aircraft and has also grounded its MD-11s out of caution, planning to conduct a thorough safety review based on the manufacturer's recommendations [2][3]. Incident Details - The crash occurred near Louisville Muhammad Ali International Airport, where the aircraft was seen banking hard to the left before crashing into an industrial area [4]. - The National Transportation Safety Board (NTSB) reported that the left engine of the aircraft separated from the wing during the incident [4]. - An update from the NTSB indicated that the cockpit voice recorder revealed a "repeating bell" sound for 25 seconds as the crew attempted to control the plane, which reached about 100 feet above the ground before the crash [5].

Core Points - A cargo flight operated by UPS crashed in Louisville, Kentucky, resulting in the deaths of at least 13 people [1] Group 1 - The incident involved three UPS pilots attempting to control the flight before the crash [1] - The National Transportation Safety Board is investigating the circumstances surrounding the crash [1]

Core Points - The plane crash incident involving a UPS cargo aircraft near Louisville, Kentucky, resulted in a total of 13 fatalities, including 3 crew members and 10 individuals on the ground [1] - The National Transportation Safety Board (NTSB) is investigating the maintenance records of the 34-year-old McDonnell Douglas MD-11 cargo plane [1] - Flight tracking data indicates that the aircraft was in San Antonio, Texas, from September 3 to October 18 [1] - A structural component in the central wing fuel tank of the aircraft was reported to have a crack that required repair, according to the Federal Aviation Administration (FAA) records from September 18 [1] - There is currently no evidence suggesting that the crash was caused by poor maintenance [1] - The NTSB has successfully downloaded data from the aircraft's two black boxes, which include the cockpit voice recorder and flight data recorder, and is in the process of analyzing the cockpit conversation transcripts [1]

美国运输部长达菲证实，如果未能达成协议结束政府停摆，他将下令从周五开始将40个主要机场的计划航班量削减10%。美国政府关门停摆已持续36天，1.3万名空中交通管制员和5万名运输安全管理局（TSA）官员无薪工作。航空公司多次呼吁尽快结束政府停摆，理由是这对航空安全构成风险。 ...

Core Points - The U.S. government shutdown has led to air traffic controller shortages and flight delays, raising concerns about flight safety [1][3] - Transportation Secretary Sean Duffy did not provide a direct answer regarding the safety of flying, indicating that the focus should be on airspace safety rather than financial issues faced by controllers [3] - The ongoing shutdown has resulted in air traffic controllers facing unpaid work, increasing operational pressure and safety risks within the aviation system [3] Summary by Sections - **Government Shutdown Impact** - The U.S. government shutdown has reached its 26th day, causing significant disruptions in air traffic control operations [3] - Reports indicate over 20 incidents of air traffic controller shortages across U.S. airports on the 25th [3] - **Safety Concerns** - Duffy emphasized that ensuring the safety of airspace is the top priority, stating that if there are not enough focused air traffic controllers, flight operations may be slowed or even paused [3] - The situation is described as severe, with issues of employee distraction and turnover affecting the transportation sector [3] - **Financial Strain on Air Traffic Controllers** - Air traffic controllers are facing their first blank paycheck due to the shutdown, which has exacerbated the operational challenges and safety risks in the aviation system [3] - The ongoing crisis has led to mutual blame between Democrats and Republicans regarding the responsibility for the shutdown [3]