SAN FRANCISCO (KGO) -- It's not a bird, it's not a plane, but if you look up while in San Francisco's financial district Sunday night, you just might see two low-flying helicopters. The aircraft will ...

Helicopters have one of the most recognizable sounds in aviation. The signature "whop whop" or deep thumping sound announces its arrival long before it appears in the sky. It's a sound so iconic, it's ...

NEWPORT NEWS, Va. — If you see a lot of helicopter activity or hear machine-gun fire near Fort Eustis, don't worry! It's just a drill. Military officials say helicopter operations and simulated ...

South Waterfront. These helicopters are driving me crazy; they’re (expletive) loud!” read one Reddit comment on Sunday night. Another under the title “Helicopter South Waterfront/Johns Landing” read: ...