美海军调查认定V-22“鱼鹰”飞机存大量安全隐患

Core Insights - The investigation by the U.S. Navy has identified significant safety hazards associated with the V-22 Osprey tiltrotor aircraft, which has been in service for nearly 20 years, with risks remaining unaddressed for an extended period [1] - Over the past four years, accidents involving the V-22 have resulted in the deaths of 20 U.S. military personnel [1] - The investigation highlighted two major long-term risks in the aircraft's transmission system, which were linked to fatal accidents in California in 2022 (5 deaths) and off the coast of Japan in 2023 (8 deaths) [1] - The Joint Program Office has been criticized for failing to effectively manage these risks and for not standardizing maintenance protocols [1] - An independent report from the U.S. Government Accountability Office also criticized the Pentagon for not adequately addressing the safety issues related to the V-22 aircraft [1]