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搜救雷达应答器〔SART〕简介
看完本帖之后，你将会对搜救雷达应答器有全新的认识。废话不多说，直接上干货！！！
搜救雷达应答器SART—Search and Rescue 逐渐接近，适时降低雷达增益。始终保持雷达显示器上SART标志信号成12个光点状态。
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另外，在SART上还同时设有声、光指示装置，以便遇险幸存者判定设备的工作状态和与搜救单位之间距离的远近。例如TRON型SART，在其处于待命状态时，、。当其接收到雷达信号后，其频率加快，、；而声响装置在待命状态不发声，在收到雷达信号后，远距离时，能周期性地听到SART应答雷达信号时发出的短促声，随距离渐近，周期渐短，直至变成连续的声响，此时明确搜救雷达已经近在咫尺了。假如听到几种不同音调的声响时，如此可断定有多个救援船舶或飞机到达。
二、SART技术指标
1. 电池要求能够待机96h，遇到雷达的反射波后要连续发射8h，有效X围不但能对5n mile以内的，离海面15m高的船用雷达起反响，而且能够对3000英尺高、30n mile以内的、10KW的飞机雷达起反响。
2. 能从20m高落入水中而不损坏；
3. 在10m深水处，至少保持5min而不进水；
4. 单独落入水中，应能自动正向立起，指示灯在上面；
，以提供遇难幸存者系在身上使用；
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上图为SART的铭牌〔包含型号、序列号、生产日期、更换日期等〕
三、公约规X对其要求
国际海上人命安全公约〔SOLAS〕第III章 救生设备和装置中关于雷达应答器的配置要求为：
At least one search and rescue locating device shall be carried on each side of every passenger ship and of every cargo ship of 500 gross tonnage and upwards. At least one search and rescue locating device shall be carried on every cargo ship of 300 gross tonnage and upwards but less than 500 gross tonnage. Such search and rescue locating devices shall conform to the applicable performance standards not inferior to those adopted by the Organization. The search and rescue locating devices shall be stowed in such location that they can be rapidly placed in any survival craft other than the life raft or life rafts required by regulation . Alternatively one search and rescue locating device shall be stowed in each survival craft other than those required by regulation . On ships carrying at least two search and rescue locating devices and equipped with free-fall lifeboats one of the search and rescue locating devices shall be stowed in a free-fall
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 lifeboat and the other located in the immediate vicinity of the navigation bridge so that it can be utilized on board and ready for transfer to any o