File:MD-11 in front of hangars.jpg

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DescriptionMD-11 in front of hangars.jpg	English: 1This McDonnell Douglas MD-11 is taxiing to a position on the flightline at NASA's Dryden Flight Research Center, Edwards, California, following its completion of the first and second landings ever performed by a transport aircraft under engine power only (on Aug. 29, 1995). The milestone flight, with NASA research pilot and former astronaut Gordon Fullerton at the controls, was part of a NASA project to develop a computer-assisted engine control system that enables a pilot to land a plane safely when its normal control surfaces are disabled. The Propulsion-Controlled Aircraft (PCA) system uses standard autopilot controls already present in the cockpit, together with the new programming in the aircraft's flight control computers. The PCA concept is simple. For pitch control, the program increases thrust to climb and reduces thrust to descend. To turn right, the autopilot increases the left engine thrust while decreasing the right engine thrust. The initial Propulsion-Controlled Aircraft studies by NASA were carried out at Dryden with a modified twin-engine F-15 research aircraft.
Date	Taken on 29 August 1995
Source	https://www.dfrc.nasa.gov/Gallery/Photo/MD-11PCA/HTML/EC95-43251-2.html (image link)
Author	NASA/Tony Landis
Permission (Reusing this file)	NASA Photo

This image or video was catalogued by Armstrong Flight Research Center of the United States National Aeronautics and Space Administration (NASA) under Photo ID: EC95-43251-2.

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	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."

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	Date/Time	Dimensions	User	Comment
current	21:40, 26 September 2023	3,000 × 2,195 (523 KB)	Caddyshack01 (talk \| contribs)	Higher resolution and better quality version of the same image
	21:15, 8 February 2021	1,260 × 928 (436 KB)	Huntster (talk \| contribs)	Cropped 9 % vertically using CropTool with lossless mode.
	10:04, 6 November 2007	1,260 × 1,024 (486 KB)	Uwe W. (talk \| contribs)	{{Information \|Description=MD-11 in front of hangars at NASAs Dryden Flight Reseach Center. \|Source=http://www.dfrc.nasa.gov/Gallery/Photo/MD-11PCA/Small/EC95-43251-2.jpg \|Date=August 29, 1995 \|Author=T. Landis \|Permission=NASA Photo }}

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