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Why Do Helicopters Make That Iconic Thumping Sound When They're Flying?

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 ...
wwmt

A helicopter from the Vietnam War is taking civilians on a flight through aviation history

PORTAGE, Mich. — Residents of Portage may have noticed a distinctive sound overhead Saturday as a UH-1 Huey 'Greyhound' helicopter flew overhead. The helicopter is widely recognized as the iconic ...
MLive

Historic Vietnam War-era helicopter soars above West Michigan aerospace museum

PORTAGE, MI — A powerful moment of nostalgia struck Kalamazoo resident Bob Short while boarding an aircraft that defined his experience in the Vietnam War. The Air Zoo partnered with the Michigan ...
The National Interest

The Bell H-13 “Sioux” Helicopter Was the Unsung Hero of the Korean War

The H-13’s most iconic role was as a medical evacuation (MEDEVAC) bird—famously featured as such in the opening credits of the popular long-running M*A*S*H television series. When one thinks of ...