Sikorsky R-4

The Sikorsky R-4 is a helicopter built by Sikorsky Aircraft Corporation. It first flew on 14 January 1942 and entered service in 1944, and was retired in 1946. 131 were built.

Sikorsky R-4 — U.S. Coast Guard · Public domain · Wikimedia Commons

1example
1place

About the Sikorsky R-4

Type of aircraft: helicopter
First flight: 14 January 1942
Entered service: 1944
Retired: 1946
Total built: 131

Where you can see one

1 example is on public display.

Collection	Identity	Status
RAF Museum London	KL110	static display