He switched the frequency to 2182, the international emergency channel.

From the voices on the emergency channels, six had survived.

In between, the radio monitored an emergency channel that all ships kept open.

Shepherd was about to turn away when he noticed the blue emergency channel lit up.

"Why haven't we been listening on the emergency channels, Lieutenant?"

He made for his copter and opened the emergency channel to the Center.

You're on an emergency channel, and a day early.

She would listen to the emergency channel no matter what, and she'd answer when she heard us break silence.

"But we heard others on the emergency channels, and we saw what was happening to the sun."

The call that had gone out over the emergency channel said this wasn't a drill.