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Helicopters of DC
HelicoptersofDC
By the fireplace, beginning my reading of @USGAO "Homeland Defense:Urgent Need for DOD and FAA to Address Risks and Improve Planning for Technology That Tracks Military Aircraft" follow along or
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I'm going to start reading this GAO Helicopter Noise study and put my comments belowhttps://www.gao.gov/assets/720/711651.pdf Page 1 nice chart though this footnote raises some concerns: "666 flights for which FAA
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