The U.S. Coast Guard (USCG) rescued a father and son Sunday afternoon following an electrical fire onboard, about 12 miles north of St. Croix.

But the all-electric devices have two important hurdles to jump: first, if they are bright enough to transmit a reliable distress signal and, second, if they can pass the Coast Guard and international ...

The Coast Guard offices of Search and Rescue, Auxiliary and Boating Safety, and Design and Engineering Standards, Lifesaving and Fire Safety Division (CG-ENG-4) recognized that pyrotechnic distress ...

Fluorescent Electrical Signals “We know there’s this systemic signaling system, and if you wound in one place the rest of the plant triggers its defense responses.

The international emergency signal for distress is a series of three indicators. Consider the person who will be responding. We must bring attention to their senses in any way we can.

The first wireless distress signal to be sent from an American ship at sea occurred six years later, in 1905. "Relief Ship Number 58," a lightship anchored off Nantucket island, sent out the signal.

Why Titanic’s first call for help wasn’t an SOS signal. The wireless technology that saved hundreds from the shipwreck was in its infancy, and competing distress signals didn’t help.