Boeing Vertol 107 (CH-46 Sea Knight) Hovering Over Tarmac

H-21B Shawnee in Front of Flight Line

Air Force H-21B Shawnee Tandem Rotor Helicopter Lifting a Jeep

Military Officers Disembark from H-21B Shawnee Helicopter

Two H-21B Shawnee Helicopters on the Renton Flight Line

Boeing Vertol 107 Flying Over Lower Manhattan

Vertol 107 Helicopter Hovering Over Wall Street Heliport

Boeing Vertol 107 Flying Over Manhattan Skyline

Vertol 107 Helicopter at Wall Street Heliport

Vertol 107 in New York City

Vertol 107 Helicopter at Wall Street Heliport

Vertol 107 Flying Over the Statue of Liberty

Vertol 107 Hovering Over New York City Waterfront

Vertol 107 in Flight Over the Statue of Liberty

CH-47A Chinook Helicopter in Flight Over New York City Skyline

Vertol Model 107 over Niagra Falls on Test Flight

Desgin Study for Vertol Model 167

Boeing Vertol 107 Prototype in Flight Over Desert Terrain

First Official Flight of an Armed CH-47A Helicopter at Boeing Vertol Flight Center, Philadelphia, PA

Model 107 Test Bed Vehicle Hovering over Vertol Division

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Vertol 44 Helicopter in Flight over Manhattan

Initially designated Piasecki Model 44, the H-21 Shawnee was the fourth tandem-rotor helicopter designed by Frank Piasecki, founder of the P-V Engineering Forum, later the Piasecki Helicopter Corp. After Piasecki left the enterprise in 1955, it became the Vertol Aircraft Corp. Boeing bought Vertol in 1960.

Originally designed for high-altitude, cold-weather operations, the first H-21s joined the U.S. Air Force in 1953 for rescue operations in the Arctic. The commercial transport version, the Vertol 44, was operated by several airlines. A total of 707 in the CH-21 series were built.

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Unique identifier BI25072

Boeing ID p25089

Size 6200px × 4600px 81MB

License type RM

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