The utility model relates to a free-floating light beacon of navigational aid on water in the sea, a river, or a harbor.

本实用新型是一种海、河港口用水上助航活节式灯桩。

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While the 13 other crew members, including Groves and Cleveland, made it safely to two life rafts, Svendsen spent three hours floating alone in his survival suit before Coast Guard rescuers saw his emergency beacon.

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