Japanese Coast Guard teams had spotted Ban during a helicopter patrol over debris fields nearly two kilometers off shore.

日本海岸对队员在一次直升机巡逻时在离海岸2千米的瓦砾区域上空发现了ban。

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The coast Guard is also acquiring additional 20 fast patrol vehicles, 41 interceptor boats, 12 coastal surveillance aircraft and seven off-shore patrol vehicles.

海岸警卫队也额外获得了20艘快速巡逻艇，41艘拦截艇，12架沿海侦察飞机和7艘离岸巡逻艇。

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