This application containing the best collection of helicopter sounds for android devices. Sounds have been selected very carefully to be a good and fun user experience, we hope you will enjoy using the app and listening to helicopter sounds. helicopter, aircraft with one or more power-driven horizontal propellers or rotors that enable it to take off and land vertically, to move in any direction, or to remain stationary in the air. Other vertical-flight craft include autogiros, convertiplanes, and V/STOL aircraft of a number of configurations.