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Conclusions <br />Predominantly an urban environment <br />Helicopter flight sound levels compare to existing <br />community noise sources <br />Helicopter will be heard and distinguished — <br />similar to trucks and motorcycles on the local <br />roads <br />The effects of the helicopter operations will be <br />similar to the effects from other noise sources <br />!: Potential <br />for <br />limited <br />indoor speech interference <br />-:: Potential <br />for <br />limited <br />awakening <br />