1.   A teenager scrambled into the street near a downtown hotel, waving his slender arms at an oncoming car as if he were guiding an airplane to the gate.

2.   The human beings had rescued drowning swimmers, guided falling airplanes, restarted sputtering hearts and dislodged errant tomatoes.

3.   The ISO will coordinate all transmission of electricity in California, much as an air traffic controller guides airplanes.

4.   Helping to guide airplanes in the skies would be a satellite-based system instead of the current ground-based radar.

5.   If they were captured with the equipment they used to guide the airplanes, the Serbs could kill them.

6.   The Grand Turk radar guides airplanes going to Miami.