Recently, Taiwanese media reported that the island’s military has detected intermittent signals believed to originate from the black box of a missing F-16V fighter jet. These signals are emitted by an Underwater Locator Beacon (ULB), typically attached to both the flight data recorder and cockpit voice recorder. Upon contact with seawater, the ULB automatically activates and transmits acoustic pulses once per second for approximately 30 days.However, the signal is weak and sporadic, compounded by challenging sea conditions and significant water depth in the crash area, making precise localization extremely difficult. Experts note that such signals are highly susceptible to interference from ambient ocean noise, seabed topography, and the beacon’s battery life. Failure to locate and retrieve the black box promptly could severely hinder the accident investigation.Taiwanese authorities, in coordination with U.S. technical teams, have deployed specialized underwater detection equipment for an intensive search. The data stored in the black box—including critical flight parameters and cockpit communications—is essential to determining whether the crash resulted from mechanical failure, pilot error, or environmental factors. Despite the formidable challenges, recovering the black box remains pivotal to uncovering the truth behind the incident.
近日，台湾媒体报道称，台军方在搜救失联F-16V战机过程中，侦测到疑似来自黑匣子的断断续续信号。该信号由水下定位信标（Underwater Locator Beacon, ULB）发出，通常安装在飞行数据记录器和驾驶舱语音记录器上，一旦飞机坠海，信标会在接触海水后自动激活，并以每秒一次的频率发送声波脉冲，持续约30天。然而，由于信号微弱且时断时续，加上事发海域海况复杂、水深较大，给定位工作带来极大挑战。专家指出，此类信号极易受到海洋背景噪音、海底地形及设备电池寿命等因素干扰。若无法在短时间内精确定位并打捞黑匣子，将极大影响事故原因调查。目前，台军已联合美方技术团队，动用专业水下探测设备展开密集搜索。黑匣子所记录的关键飞行参数与通话内容，对厘清战机失事是否涉及机械故障、人为操作失误或环境因素至关重要。尽管搜寻难度高，但获取黑匣子仍是还原事件真相的核心环节。
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