EDR July #30 2017 Helicopter sound

EDR July #29 2018 Sound in the neighborhood and helicopter flied near my house

EDR July #1 2018 helicopter sound

EDR July #31 2018 unfamiliar cars and helicopter sound

EDR July #16 2018 helicopter sound

EDR July #15 2018 Unfamiliar Ppl and helicopter sound

EDR July #19 2018 Traffic Obstruction and Helicopter Sound

EDR July #17 2018 man speaks to his dog deliverately and helicopter sound

EDR May 2017 #13 Helicopter Sound

EDR August #3 2018 Helicopter sound and Traffic Obstruction

EDR January #2 Helicopter sounds

EDR March #8 Helicopter Sound

EDR February #20 (Helicopter Sounds)

EDR January #14 Helicopter Sound 2017

EDR August #4.01 2017 Cicadas & Helicopters' Sound

EDR August #26 2018 Helicopter sound

EDR May 2017 #7（Helicopter sound）

EDR November #20 2017 Helicopter Sounds

EDR November #10 2017 Helicopter Sounds

EDR November #9 2017 Helicopter Sounds

EDR September #7 2018 Noisy meter readers and helicopter sound