The information on the enemy's disposition was sketchy, forcing the helicopters to search the target area themselves.

With the helicopters searching the gullies, the pod's detection seemed all but inevitable.

They often carry a helicopter to search for tuna schools.

Eight boats and four helicopters later searched for the missing fishermen.

This is important if the helicopter is searching for a missing party to avoid confusion.

If the helicopter searched this far, he would be seen easily.

"We need a helicopter and people in all those different states to search for them," Ms. Liendo said.

The Ecuadorean authorities sent three small planes and a helicopter to search for the missing aircraft, but they did not find it.

Rescue boats and helicopters searched the area, including four Egyptian frigates.

Six airplanes and four helicopters searched thousands of square miles of the Amazon.