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Description

English: One of Langley's Sikorsky YR-4B/HNS-1 helicopters is seen in the 30 x 60 Full Scale Tunnel. The technician is setting up camera equipment for stopped-action rotor-blade photos. Sikorsky built hundreds of R-4 helicopters during World War II. It was the first mass-produced helicopter.

Date

14 October 1944

Source

Great Images in NASA Description

Author

NASA/LARC/photographer unknown

Permission
( Reusing this file)

	This file is in the public domain in the United States because it was solely created by NASA. NASA copyright policy states that "NASA material is not protected by copyright unless noted". (See Template:PD-USGov, NASA copyright policy page or JPL Image Use Policy.)
	Warnings: Use of NASA logos, insignia and emblems is restricted per U.S. law 14 CFR 1221. The NASA website hosts a large number of images from the Soviet/ Russian space agency, and other non-American space agencies. These are not necessarily in the public domain. Materials based on Hubble Space Telescope data may be copyrighted if they are not explicitly produced by the STScI. [1] See also {{PD-Hubble}} and {{Cc-Hubble}}. The SOHO (ESA & NASA) joint project implies that all materials created by its probe are copyrighted and require permission for commercial non-educational use. [2] Images featured on the Astronomy Picture of the Day (APOD) web site may be copyrighted. [3] The National Space Science Data Center (NSSDC) site has been known to host copyrighted content. Its photo gallery FAQ states that all of the images in the photo gallery are in the public domain "Unless otherwise noted."

This image or video was catalogued by Langley Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: GPN-2000-001729 and Alternate ID: L-40416.

This tag does not indicate the copyright status of the attached work. A normal copyright tag is still required. See Commons:Licensing.

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	Date/Time	Thumbnail	Dimensions	User	Comment
current	16:44, 9 April 2009		3,000 × 2,175 (2.7 MB)	BotMultichillT	{{Information \|Description={{en\|1=One of Langley's Sikorsky YR-4B/HNS-1 helicopters is seen in the 30 x 60 Full Scale Tunnel. The technician is setting up camera equipment for stopped-action rotor-blade photos. Sikorsky built hundreds of R-4 helicopters d

File usage

The following pages on the English Wikipedia use this file (pages on other projects are not listed):

Sikorsky R-4

Global file usage

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Usage on es.wikipedia.org
- Sikorsky R-4
Usage on no.wikipedia.org
- Sikorsky R-4
Usage on pl.wikipedia.org
- Sikorsky R-4
Usage on vi.wikipedia.org
- Sikorsky R-4

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inception

14 October 1944

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