Category:Sikorsky R-4

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Sikorsky R-4 seen in Jour de fête.

The Sikorsky R-4 was a two-seat helicopter designed by Igor Sikorsky with a single, three-bladed main rotor and powered by a radial engine. The R-4 was the world's first large-scale mass-produced helicopter and the first helicopter used by the United States Army Air Forces, the United States Navy, the United States Coast Guard and the United Kingdom's Royal Air Force and Royal Navy. In U.S. Navy and U.S. Coast Guard service, the helicopter was known as the Sikorsky HNS-1. In British service, it was known as the Hoverfly.


This page contains all films, TV series, and video games that feature the Sikorsky R-4.

See also

Pages in category "Sikorsky R-4"

The following 3 pages are in this category, out of 3 total.