File:Boeing 747 vortex study - ECN-4245.jpg

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    Original file (2,000 × 1,586 pixels, file size: 495 KB, MIME type: image/jpeg)

    This file is from Wikimedia Commons and may be used by other projects. The description on its file description page there is shown below.

    Summary

    Photographer
    NASA
    Location
    InfoField
    		United States United States
    Aircraft type
    InfoField
    		Boeing 747-123 and Learjet 23
    Operator
    InfoField
    		NASA
    Registration
    InfoField
    		N905NA
    Activity
    InfoField
    		Formation flight
    Description
    A Learjet 23 (NASA 701), a Cessna T-37 and a Boeing 747-100 (NASA 905; tail #N905NA)： Two chase aircraft, a Learjet and a Cessna T-37, are shown in formation with a Boeing B-747 jetliner in this 1974 NASA Flight Research Center (FRC) photograph. The two chase aircraft were used to probe the trailing wake vortices generated by the airflow around the wings of the B-747 aircraft. The vortex trails were made visible by smoke generators mounted under the wings of the B-747 aircraft.
    Date Taken on 20 September 1974
    Source https://www.dfrc.nasa.gov/Gallery/Photo/B-747/HTML/ECN-4245.html
    Permission
    (Reusing this file)
    Public domain 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:
    This image or video was catalogued by Neil A. Armstrong Flight Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ECN-4245.

    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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    Other versions
    Image extraction process This image has an extracted file: NASA 701 Learjet 23.jpg.
    lang=en

    Original upload log

    Move approved by User:TheDJ.
    date/time username resolution size edit summary
    12:24, 18 April 2009 User:Cropbot <a href="http://upload.wikimedia.org/wikipedia/commons/e/ea/ECN-4245.jpg[dead link]"><img alt="Thumbnail for version as of 12:24, 18 April 2009" src="http://upload.wikimedia.org/wikipedia/commons/thumb/e/ea/ECN-4245.jpg/120px-ECN-4245.jpg[dead link]" width="120" height="95" border="0" /></a>2,000×1,586 495 KB upload cropped version, operated by <a href="/wiki/User:TheDJ" title="User:TheDJ">User:TheDJ</a>. Summary: crop DFRC footer
    07:43, 17 June 2006 User:Georgio <a href="http://upload.wikimedia.org/wikipedia/commons/archive/e/ea/20090418122459%21ECN-4245.jpg[dead link]"><img alt="Thumbnail for version as of 07:43, 17 June 2006" src="http://upload.wikimedia.org/wikipedia/commons/thumb/archive/e/ea/20090418122459%21ECN-4245.jpg/120px-ECN-4245.jpg[dead link]" width="120" height="103" border="0" /></a>2,000×1,720 531 KB
    07:42, 17 June 2006 User:Georgio <a href="http://upload.wikimedia.org/wikipedia/commons/archive/e/ea/20060617074336%21ECN-4245.jpg[dead link]"><img alt="Thumbnail for version as of 07:42, 17 June 2006" src="http://upload.wikimedia.org/wikipedia/commons/thumb/archive/e/ea/20060617074336%21ECN-4245.jpg/120px-ECN-4245.jpg[dead link]" width="120" height="103" border="0" /></a>698×600 102 KB == Summary == a Learjet, a Cessna T-37 and a Boeing 747(dfrc.nasa.より) September 20, 1974 == B-747 in Flight during Vortex Study == '''Photo Description'''：Two chase aircraft, a Learjet and a Cessna T-37, are shown in formation with a Boeing B-747

    Captions

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    Items portrayed in this file

    depicts

    NASA 905

    media type

    image/jpeg

    checksum

    7716235ee5dd1f083f972dd08b783557e375fd0a

    determination method or standard: SHA-1

    data size

    506,467 byte

    height

    1,586 pixel

    width

    2,000 pixel

    inception

    20 September 1974

    File history

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    Date/TimeThumbnailDimensionsUserComment
    current03:57, 21 April 2009Thumbnail for version as of 03:57, 21 April 20092,000 × 1,586 (495 KB)wikimediacommons>BetacommandBotmove approved by: User:TheDJ This image was moved from File:ECN-4245.jpg {{Infobox aircraft image |description = A Learjet (NASA 701), a Cessna T-37 and a Boeing 747-100 (NASA 905; tail #N905NA)： Two chase aircraft, a Learjet and a Cessna

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