| helicopter fly | 42.26 | Police helicopters flew overhead. | ||
| helicopter crash | 28.11 | Then the helicopter crashed. | ||
| helicopter be | 27.91 | Helicopters are sensitive. | ||
| helicopter hover | 22.84 | A police helicopter hovered above. | ||
| helicopter take | 18.70 | A helicopter also took part. | ||
| helicopter fire | 18.37 | Helicopters fired rockets at several buildings. | ||
| helicopter evacuate | 10.73 | Helicopters evacuate tourists. | ||
| helicopter circle | 9.61 | News helicopters circled. | ||
| helicopter land | 9.61 | The helicopter landed nearby. | ||
| helicopter drop | 8.36 | A helicopter dropped pro-Megawati leaflets. | ||
| helicopter buzz | 6.91 | Helicopters buzzed overhead. | ||
| helicopter go | 5.66 | I even heard a helicopter go by over the house. | ||
| helicopter arrive | 5.07 | Media helicopters arrived in droves. | ||
| helicopter attack | 4.81 | Two other helicopters attacked the hills near Agishti. | ||
| helicopter carry | 4.81 | The helicopter was carrying oil rig workers. | ||
| helicopter rescue | 4.74 | A helicopter rescued them. | ||
| helicopter airlift | 4.61 | A helicopter airlifted him off the mountain. | ||
| helicopter ferry | 4.41 | They were ferried by helicopter to Israel. | ||
| helicopter swoop | 4.15 | A helicopter suddenly swooped down. | ||
| helicopter make | 4.02 | The helicopter made a hard landing. |