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File:NASA 701 Learjet 23 chase aircraft.jpg

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Description
English: Two chase aircraft, a Learjet 23 (NASA 701) and a Cessna T-37 (NASA/USAF 00084), are shown in formation with a Boeing B-747 jetliner (NASA 905) 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
Source http://www.dfrc.nasa.gov/Gallery/Photo/B-747/HTML/ECN-4243.html (direct link)
Author NASA
Permission
(Reusing this file)		 Public domain
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: Boeing 747 performing wing vortex trials 2.jpg
original file
This image or video was catalogued by Armstrong Flight Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: ECN-4243.

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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Licensing

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.)
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Original upload log

date/time username resolution size edit summary
2009-07-03T01:03:02Z User:Cropbot 3030×2355 7.7Gb upload cropped version, operated by [[User:Huntster]]. Summary: cropped
2009-06-18T12:02:42Z User:Sanao 3030×2606 7.86Gb {{Information |Description={{en|1='''B-747 in Flight during Vortex Study with Learjet and T-37 Fly Through the Wake''' In this 1974 NASA Flight Research Center (FRC) photograph, the two chase aircraft, a Learjet and a Cessna T-37, are shown in formation

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inception

20 September 1974

data size

948,316 byte

height

703 pixel

width

1,055 pixel

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image/jpeg

checksum

7f9e5e48059377b976e91dad768e8e74a3f27e73

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Date/TimeThumbnailDimensionsUserComment
current14:03, 6 May 2019Thumbnail for version as of 14:03, 6 May 20191,055 × 703 (926 KB)Marc LacosteFile:Boeing 747 performing wing vortex trials 2.jpg cropped 65 % horizontally, 70 % vertically using CropTool with precise mode.

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