The pilot gets on his radio and calls "mayday,mayday,mayday" to tell that his plane is in danger of crashing to the ground.

VOA: special.2010.04.18

She learned to plan an airplane flight as a navigator, operate a radio and fly a plane.

VOA: special.2009.06.28

The radio transmits a plane's speed, heading, altitude and GPS coordinates to all other planes similarly equipped, allowing each to map the traffic around it.

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Air traffic controllers re-established radio contact after the plane had flown about 150 miles past its destination.

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It was not until I was able to get in the car and head home hearing it on the radio that it obviously was a plane and it was not a construction mishap.

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