1024618 Tom knows how to fly a helicopter. CK 1 2406061 I saw a helicopter flying overhead. CK 1 1877584 Tom watched the helicopter take off. CK 1 1093314 Tom landed his helicopter on the roof. CK 1 2063062 Is something wrong with the helicopter? CK 1 1024479 Tom made up his mind to be a helicopter pilot. CK 1 1025630 Tom grabbed the rope that was lowered from the helicopter. CK 1 2318165 Is it your helicopter? Gulliver 33897 A helicopter circled over us. CM 306016 They were rescued by helicopter. CK 1751937 He knows how to fly a helicopter. Amastan 33893 The helicopter is flying very low. CK 3089478 The helicopter landed on the roof. Hybrid 681162 Have you ever been on a helicopter? Source_VOA 33895 The helicopter is hovering overhead. CK 2956352 Tom could hear helicopters overhead. CK 1650087 Nothing is written on the helicopter. Guybrush88 2641072 Tom waved at Mary from the helicopter. CK 2955695 Tom and Mary are both helicopter pilots. CK 49934 The helicopter hovered over the building. CK 3130439 The helicopter's waiting for us on the roof. CK 305978 They made the pilot fly the Navy helicopter. CK 681161 News stations use helicopters to report on traffic. Source_VOA 681163 Medical helicopters take very sick people to hospitals. Source_VOA 718008 Tim's uncle was a machine gunner on a helicopter in Vietnam. papabear 271439 The government transported goods to the island by helicopter. CK 33894 Tell those people to back off so that the helicopter can land. CK 33891 A helicopter is able to take off and land straight up and down. CM 318022 The speed of an airplane is much greater than that of a helicopter. CM 1093356 Tom knew a man whose father was a helicopter pilot during the Vietnam War. CK