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How Crowdsourced Chopper Spotting Helps ID the Helicopters of DC

How Crowdsourced Chopper Spotting Helps ID the Helicopters of DC

PCMag
Followers of Andrew Logan help him identify government-operated helicopters that don’t broadcast their identity, one smartphone photo at a time.

The soundtrack of life in the nation’s capital isn’t just go-go beats and people asking “so what do you do?” It’s also helicopters—usually government-operated, which are about the only aircraft allowed to fly in the controlled airspace above Washington, D.C.

But unlike the airliners flying prescribed …