U . S . subs also carry a tiny communications buoy that can be ejected to transmit an SOS signal for up to 18 hours.
22.
Soldiers located Link on Wednesday, six days following his disappearance, after spotting an SOS signal he constructed with sticks on top of a sandy riverbank.
23.
Port authorities received an emergency SOS signal from the ship captain that he was unable to continue because of stormy weather, Patel told The Associated Press.
24.
He sent out an SOS signal and as the air traffic controller was unable to identify the object he was urged to change his flight path.
25.
Campbell recalls the February night in a lifeboat in the Arctic filled with terrified refugees, his efforts to send SOS signals in gale-force winds, and of their miraculous rescue.
26.
When a visiting team found itself in a delicate predicament, like third down and a yard to go, an official would ask for quiet, so signals might be heard.
27.
Several times Boyce heard snowmobiles and saw helicopters and, although he yelled, swung his red jacket around and used a headlight to send an SOS signal, his efforts were fruitless.
28.
But this, too, is changing as stations across the country continue to funnel millions of dollars into new towers and transmitters so signals can go out in the digital format.
29.
The reports said the ship sent an SOS signal at 9 : 30 a . m . ( 0830 GMT ) after the crew was unable to control the fire.
30.
Crew aboard the " Rudnitsky " tried to contact the " Kursk " and briefly thought they heard an acoustic SOS signal, but this was determined to be of biological origin.
