Transcript for Lost at Sea
This is humira at work. Finally here tonight, saved out of the clear blue sky. Imagine being stranded on a tiny island somewhere in the ocean. The only hope of rescued a giant sos in the sand. Some amazing things that happened next. Reporter: They could have been missed so easily those three letterers on a tiny sand bar of an island. A party of five had been out snorkeling and had the bad luck as they wen ashore near rocks to collect shells of having their boat drift off without them with everything they owned in it including their phones. I had to look back and saw the boat was drifting. Reporter: It was a middle of the nowhere place. No food, water or shade and no warmth either. So the sos seemed a long shot. It was not. The under belly of a plane spotted the sos. Soon bringing up one by one almost cast aways. Confirmed to us that was the people we were looking for. Reporter: It was all of nine hours out there, not long enough to make it an ordeal. They were fine. A little dehydrated. Reporter: Just long enough for it to be an adventure. John donvan, ABC news,
This transcript has been automatically generated and may not be 100% accurate.