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Summary

Photographer

NASA

Location

United States

Aircraft type

Boeing 747-123 and Learjet 23

Operator

NASA

Registration

N905NA

Activity

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)

	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 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

This file has an extracted image: NASA 701 Learjet 23.jpg.

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

File history

Click on a date/time to view the file as it appeared at that time.

	Date/Time	Thumbnail	Dimensions	User	Comment
current	01:57, 21 April 2009		2,000 × 1,586 (495 KB)	BetacommandBot	move 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

File usage

The following page uses this file:

Chase plane

Global file usage

The following other wikis use this file:

Usage on it.wikipedia.org
- Learjet 23
Usage on zh.wikipedia.org
- 航天飞机运输飞机

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Summary

Original upload log

Captions

Items portrayed in this file

depicts

NASA 905

copyright status

public domain

media type

image/jpeg

checksum

7716235ee5dd1f083f972dd08b783557e375fd0a

data size

506,467 byte

height

1,586 pixel

width

2,000 pixel

File history

File usage

Global file usage

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