The distress beacon is about the only thing still working on that ship.

A trap such as someone sending a distress beacon calling for our aid.

He also sets a distress beacon to signal a rescue ship.

This is a distress beacon, with its own power source.

But a distress beacon did not have to carry intelligence.

Then, two hours later, a distress beacon was released.

The distress beacon was sent five minutes after the mayday call.

He wasn't sure if they would pick up the capsule's distress beacon.

"Somebody sent that message along with the distress beacon."

Once it's a half hour away, it'll send a distress beacon.