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File:NASA 701 Learjet 23 chase aircraft.jpg

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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.
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Source http://www.dfrc.nasa.gov/Gallery/Photo/B-747/HTML/ECN-4243.html (direct link)
Author NASA
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: Boeing 747 performing wing vortex trials 2.jpg
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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.

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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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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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20 September 1974

948,316 byte

703 pixel

1,055 pixel

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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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