{"id":94726,"date":"2017-10-18T11:57:00","date_gmt":"2017-10-18T15:57:00","guid":{"rendered":"https:\/\/www.nasa.gov\/?migration=converted-node-411720"},"modified":"2023-08-18T18:24:44","modified_gmt":"2023-08-18T22:24:44","slug":"nasa-technology-may-reduce-airframe-noise-during-landing","status":"publish","type":"post","link":"https:\/\/www.nasa.gov\/centers-and-facilities\/armstrong\/nasa-technology-may-reduce-airframe-noise-during-landing\/","title":{"rendered":"NASA Technology May Reduce Airframe Noise During Landing"},"content":{"rendered":"<div id=\"\" class=\"padding-top-5 padding-bottom-3 width-full maxw-full hds-module hds-module-full wp-block-nasa-blocks-article-intro\"><div class=\"width-full maxw-full article-header\"><div class=\"margin-bottom-2 width-full maxw-full\"><p class=\"label carbon-60 margin-0 margin-bottom-3 padding-0\">5 min read<\/p><h1 class=\"display-48 margin-bottom-2\">NASA Technology May Reduce Airframe Noise During Landing<\/h1><\/div><\/div><\/div>\n\n<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-fit \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg\"><img fetchpriority=\"high\" decoding=\"async\" width=\"1367\" height=\"2048\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?w=1367\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"The Landing Gear Noise Reduction fairing was designed to be porous, featuring small holes that allow air to pass through. \" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg 2426w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=200,300 200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=768,1151 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=683,1024 683w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=1025,1536 1025w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=1367,2048 1367w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=267,400 267w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=400,600 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=601,900 601w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=801,1200 801w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?resize=1335,2000 1335w\" sizes=\"(max-width: 1367px) 100vw, 1367px\" loading=\"eager\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\"><div class=\"hds-caption-text p-sm margin-0\">The Landing Gear Noise Reduction fairing was designed to be porous, featuring small holes that allow air to pass through. The design was studied in computer simulations before undergoing model testing, and was ultimately scaled up to be integrated onto NASA\u2019s Subsonic Research Aircraft Testbed G-III aircraft, or SCRAT.<\/div><div class=\"hds-credits\">NASA\/Ken Ulbrich<\/div><\/figcaption><\/div><\/div><\/div>\n\n\n<p>NASA has concluded a flight test series to investigate technologies that may significantly reduce airframe noise for communities near airports.<\/p>\n\n\n\n<p>The flights, which gathered data that will be used to examine the acoustic benefits of two NASA aeronautical technologies, were completed in October at NASA\u2019s Armstrong Flight Research Center in Edwards, California.<\/p>\n\n\n\n<p>The combined areas of research included NASA\u2019s Landing Gear Noise Reduction technology, or LGNR, and a flexible, twistable wing flap that has also been used to investigate improved aerodynamic efficiency. These technologies, when combined to explore their potential for reduced airframe noise, primarily during landing, are known as Acoustics Research Measurements, or ARM.<\/p>\n\n\n\n<p>NASA conducted the flight tests by flying two Gulfstream III aircraft, one baseline and the other modified to include the flexible wing flap technology, over a 250-foot diameter microphone array developed at NASA\u2019s Langley Research Center in Virginia. The state-of-the-art array, consisting of 185 hardened microphones and designed to withstand the harsh desert environment of Edwards, was arranged in a pattern of 12 spiral arms on the Rogers Dry Lakebed.<\/p>\n\n\n\n<p>The array was designed to identify those components of the aircraft that produce the highest levels of airframe noise, including elements that are deployed during the aircraft\u2019s approach and landing, such as the wing flaps, main landing gear, and nose landing gear, according to NASA Langley Principal Investigator Mehdi Khorrami. \u201cWe want to reduce airport noise for communities, and for that we need to reduce airframe noise,\u201d Khorrami said. \u201cOf all the sources that contribute to airframe noise, landing gear is one of the most prominent. To effectively reduce aircraft noise, we need to mitigate the noise being emitted by the landing gear, which travels to the ground and affects communities around airports.\u201d<\/p>\n\n\n\n<p>Complementing the array are four individual microphones on separate stands, located around the perimeter of the array, called certification microphones. These microphones measure the total amount of noise the aircraft makes as it flies over. Researchers can compare the data from both the baseline and modified aircraft, and can thus calculate the exact amount of total noise reduction resulting from the technologies on the modified aircraft. These particular sets of data will help NASA closely follow guidelines for certification by the Federal Aviation Administration.<\/p>\n\n\n\n<p>In order to address the noise produced by aircraft landing gear, NASA made modifications to the landing gear of a G-III research aircraft, as well as the main landing gear cavities, which are the openings in the bottom of the wing that the main landing gear normally retracts into. The concepts, shapes, and technologies for LGNR were developed at NASA Langley, where they also went through initial wind tunnel testing in 2012 and 2013.<\/p>\n\n\n\n<p>Engineers at Langley designed and developed a landing gear fairing that is porous, meaning it has numerous small holes on its frontal face that allow air to pass through. Model testing of this fairing confirmed predictions based on previous computer simulations that this technology would result in reduced noise levels. The technology was ultimately scaled up and integrated onto NASA\u2019s Subsonic Research Aircraft Testbed G-III aircraft, or SCRAT.<\/p>\n\n\n\n<p>In concert with this effort, NASA also examined the acoustic benefits from a flexible trailing-edge wing flap, which has also been used to study improved aerodynamic efficiency through a project called Adaptive Compliant Trailing Edge, or ACTE. Built by Flexsys, Inc. of Ann Arbor, Michigan, the seamless, twistable flap was developed as a joint effort between NASA and the Air Force Research Laboratory to determine whether advanced flexible wing flaps can make an aircraft more efficient in flight.<\/p>\n\n\n<div id=\"\" class=\"hds-media hds-module wp-block-image\"><div class=\"margin-left-auto margin-right-auto nasa-block-align-inline\"><div class=\"hds-media-wrapper margin-left-auto margin-right-auto\"><figure class=\"hds-media-inner hds-cover-wrapper hds-media-ratio-none \"><a href=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg\"><img loading=\"lazy\" decoding=\"async\" width=\"2048\" height=\"1365\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?w=2048\" class=\"attachment-2048x2048 size-2048x2048\" alt=\"A small unmanned aircraft system was used to test and validate a microphone array, designed by NASA Langley and positioned on th\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg 3465w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=768,512 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=1024,683 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=1536,1024 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=2048,1365 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=400,267 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=600,400 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=900,600 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=1200,800 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-046.jpg?resize=2000,1333 2000w\" sizes=\"(max-width: 2048px) 100vw, 2048px\" \/><\/a><\/figure><figcaption class=\"hds-caption padding-y-2\"><div class=\"hds-caption-text p-sm margin-0\">A small unmanned aircraft system was used to test and validate a microphone array, designed by NASA Langley and positioned on the Rogers Dry Lakebed near NASA Armstrong. The array, which consisted of 185 microphones, spans over 250 feet in diameter, and was designed to be able to identify which parts of an aircraft produce the most airframe noise.<\/div><div class=\"hds-credits\">NASA\/Carla Thomas<\/div><\/figcaption><\/div><\/div><\/div>\n\n\n<p>The ACTE flap was recently flown to validate its ability to reduce vortices off wing flaps at high speeds, and in May demonstrated the first ever flight of a twisted flap configuration. In addition to its aerodynamic benefits, the ACTE flap also produces lower airframe noise levels, according to project manager Kevin Weinert.<\/p>\n\n\n\n<p>\u201cACTE technology also reduces noise as a byproduct that wasn\u2019t part of the original intent of that technology,\u201d explained Weinert. \u201cACTE testing didn\u2019t measure noise directly, but we believed that, due to the reduction in vortices off the flaps, noise would be reduced as well. So it became a synergistic benefit having ACTE flaps on the airplane during the landing gear tests.\u201d<\/p>\n\n\n\n<p>In addition to the possibility of this noise-reducing technology being integrated into manufactured aircraft in coming years, Weinert says he believes it may be applicable to different classes and sizes of aircraft.<\/p>\n\n\n\n<p>\u201cI can certainly see this being something that may be integrated into aviation within the next 10 years, as reducing noise for communities around airports is a goal of aircraft manufacturers,\u201d Weinert said.<\/p>\n\n\n\n<p>\u201cI absolutely see this technology being applicable to other classes of aircraft as well, the biggest interest being full-size transport aircraft \u2013 commercial airliners.\u201d<\/p>\n\n\n\n<p>With the conclusion of flight tests, researchers will now analyze the data to determine how much airframe noise reduction resulted from the integrated technologies. Khorrami says initial indications look promising.<\/p>\n\n\n\n<p>The Acoustic Research Measurement flights were conducted through the NASA\u2019s Integrated Aviation Systems Program\u2019s Flight Demonstrations and Capabilities project, under NASA\u2019s Aeronautics Research Mission Directorate.<\/p>\n\n\n<div id=\"\" class=\"nasa-gb-align-full width-full maxw-full padding-x-3 padding-y-0 article_a hds-module hds-module-full wp-block-nasa-blocks-credits-and-details\">\n<section class=\"padding-x-0 padding-top-5 padding-bottom-2 desktop:padding-top-7 desktop:padding-bottom-9\">\n\t<div class=\"grid-row grid-container maxw-widescreen padding-0\">\n\t\t<div class=\"grid-col-12 desktop:grid-col-2 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\">\n\t\t\t<div class=\"padding-top-3 border-top-1px border-color-carbon-black\">\n\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t<h2 class=\"heading-14\">Share<\/h2>\n\t\t\t\t<\/div>\n\t\t\t\t<div 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class=\"margin-bottom-2\">\n\t\t\t\t\t<h2 class=\"heading-14\">Details<\/h2>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"grid-row margin-bottom-3\">\n\t\t\t\t\t<div class=\"grid-col-4\">\n\t\t\t\t\t\t<div class=\"subheading\">Last Updated<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t<div class=\"grid-col-8\">Aug 18, 2023<\/div>\n\t\t\t\t<\/div>\n\t\t\t<div class=\"grid-row margin-bottom-3\"><div class=\"grid-col-4\"><div class=\"subheading\">Editor<\/div><\/div><div class=\"grid-col-8\">Dede Dinius<\/div><\/div><div class=\"grid-row margin-bottom-3\"><div class=\"grid-col-4\"><div class=\"subheading\">Contact<\/div><\/div><div class=\"grid-col-8\"><div class=\"margin-bottom-3\"><div>Matt Kamlet<\/div><div><a href=\"mailto:matthew.r.kamlet@nasa.gov\">matthew.r.kamlet@nasa.gov<\/a><\/div><\/div><\/div><\/div><div class=\"grid-row\"><div class=\"grid-col-4\"><div class=\"subheading\">Location<\/div><\/div><div class=\"grid-col-8\"><a class=\"hds-location-tag-name\" href=\"\/armstrong\/\"><span class=\"hds-meta-heading\">Armstrong Flight Research Center<\/span><\/a><\/div><\/div>\t\t\t<\/div>\n\t\t<\/div>\n\t<div class=\"grid-col-12 desktop:grid-col-5 padding-right-4 margin-bottom-5 desktop:margin-bottom-0\"><div class=\"padding-top-3 border-top-1px border-color-carbon-black \"><div class=\"margin-bottom-2\"><h2 class=\"heading-14\">Related Terms<\/h2><\/div><ul class=\"article-tags\"><li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/armstrong\/\">Armstrong Flight Research Center<\/a><\/li><li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/aeronautics\/\">Aeronautics<\/a><\/li><li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/technology\/\">Aeronautics Technology<\/a><\/li><li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/aeronautics\/flight-innovation\/\">Flight Innovation<\/a><\/li><li class=\"article-tag\"><a href=\"https:\/\/www.nasa.gov\/aeronautics\/nasa-aircraft\/\">NASA Aircraft<\/a><\/li><\/ul><\/div><\/div>\n\t<\/div>\n<\/section>\n\t<\/div>\n\n<div id=\"\" class=\"nasa-gb-align-full width-full maxw-full padding-x-3 padding-y-0 hds-module hds-module-full wp-block-nasa-blocks-related-articles\">\t\t<section class=\"hds-related-articles padding-x-0 padding-y-3 desktop:padding-top-7 desktop:padding-bottom-9\">\n\t\t\t<div class=\"w-100 grid-row grid-container maxw-widescreen padding-0 text-align-left\">\n\t\t\t\t<div class=\"margin-bottom-4\"><h2 style=\"max-width: 100%;\" class=\"width-full w-full maxw-full\">Explore More<\/h2><\/div>\n\t\t\t<\/div>\n\t\t\t<div class=\"grid-row grid-container maxw-widescreen padding-0\">\n\t\t\t\t\t\t\t\t\t\t<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/centers-and-facilities\/armstrong\/nasa-supports-california-students-aiming-to-advance-technology\/\" class=\"color-carbon-black\">\n\t\t\t\t\t\t\t<div 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https:\/\/images-assets.nasa.gov\/image\/AFRC2024-0082-22\/AFRC2024-0082-22~large.jpg?w=1024&h=682&fit=crop&crop=faces%2Cfocalpoint 1024w, https:\/\/images-assets.nasa.gov\/image\/AFRC2024-0082-22\/AFRC2024-0082-22~large.jpg?w=1536&h=1023&fit=crop&crop=faces%2Cfocalpoint 1536w, https:\/\/images-assets.nasa.gov\/image\/AFRC2024-0082-22\/AFRC2024-0082-22~large.jpg?w=400&h=266&fit=crop&crop=faces%2Cfocalpoint 400w, https:\/\/images-assets.nasa.gov\/image\/AFRC2024-0082-22\/AFRC2024-0082-22~large.jpg?w=600&h=400&fit=crop&crop=faces%2Cfocalpoint 600w, https:\/\/images-assets.nasa.gov\/image\/AFRC2024-0082-22\/AFRC2024-0082-22~large.jpg?w=900&h=600&fit=crop&crop=faces%2Cfocalpoint 900w, https:\/\/images-assets.nasa.gov\/image\/AFRC2024-0082-22\/AFRC2024-0082-22~large.jpg?w=1200&h=799&fit=crop&crop=faces%2Cfocalpoint 1200w\" sizes=\"(max-width: 1920px) 100vw, 1920px\" \/><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"padding-right-0 desktop:padding-right-10\">\n\t\t\t\t\t\t\t\t<div class=\"subheading margin-bottom-1\">2 min read<\/div>\n\t\t\t\t\t\t\t\t<div class=\"margin-bottom-1\"><h3 class=\"related-article-title\">NASA Supports California Students Aiming to Advance Technology<\/h3><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\">\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"\">\n\t\t\t\t\t\t\t\t\t\t2 days ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/aeronautics\/armd-solicitations\/\" class=\"color-carbon-black\">\n\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"161\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg 1600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=300,161 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=768,411 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=1024,548 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=1536,823 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=400,214 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=600,321 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=900,482 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/explore-flight-HI-RES-no-meatball.jpg?resize=1200,643 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"padding-right-0 desktop:padding-right-10\">\n\t\t\t\t\t\t\t\t<div class=\"subheading margin-bottom-1\">7 min read<\/div>\n\t\t\t\t\t\t\t\t<div class=\"margin-bottom-1\"><h3 class=\"related-article-title\">ARMD Solicitations<\/h3><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\">\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"\">\n\t\t\t\t\t\t\t\t\t\t1 week ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t<div class=\"grid-col-12 desktop:grid-col-4 margin-bottom-4 desktop:margin-bottom-0 desktop:padding-right-3\">\n\t\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/aeronautics\/winners-announced-in-gateways-to-blue-skies-aeronautics-competition-2\/\" class=\"color-carbon-black\">\n\t\t\t\t\t\t\t<div class=\"margin-bottom-2\">\n\t\t\t\t\t\t\t\t<div class=\"hds-cover-wrapper cover-hover-zoom bg-carbon-black minh-mobile\">\n\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"300\" height=\"245\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?w=300\" class=\"attachment-medium size-medium\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg 3547w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=300,245 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=768,627 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=1024,837 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=1536,1255 1536w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=2048,1673 2048w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=400,327 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=600,490 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=900,735 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=1200,980 1200w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2024\/06\/img-1864.jpg?resize=2000,1634 2000w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/figure>\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"padding-right-0 desktop:padding-right-10\">\n\t\t\t\t\t\t\t\t<div class=\"subheading margin-bottom-1\">4 min read<\/div>\n\t\t\t\t\t\t\t\t<div class=\"margin-bottom-1\"><h3 class=\"related-article-title\">Winners Announced in Gateways to Blue Skies Aeronautics Competition<\/h3><\/div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"display-flex flex-align-center label related-article-label margin-bottom-1 color-carbon-60\">\n\t\t\t\t\t\t\t\t\t<span class=\"display-flex flex-align-center margin-right-2\">\n\t\t\t\t\t\t\t\t\t\t<svg version=\"1.1\" class=\"square-2 margin-right-1\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" xmlns:xlink=\"http:\/\/www.w3.org\/1999\/xlink\" x=\"0px\" y=\"0px\" width=\"16px\" height=\"16px\" viewBox=\"0 0 16 16\" style=\"enable-background:new 0 0 16 16;\" xml:space=\"preserve\"><g><g><path d=\"M8,0C3.5,0-0.1,3.7,0,8.2C0.1,12.5,3.6,16,8,16c4.4,0,8-3.6,8-8C16,3.5,12.4,0,8,0z M8,15.2 C4,15.2,0.8,12,0.8,8C0.8,4,4,0.8,8,0.8c3.9,0,7.2,3.2,7.2,7.1C15.2,11.9,12,15.2,8,15.2z\"\/><path d=\"M5.6,12c0.8-0.8,1.6-1.6,2.4-2.4c0.8,0.8,1.6,1.6,2.4,2.4c0-2.7,0-5.3,0-8C8.8,4,7.2,4,5.6,4 C5.6,6.7,5.6,9.3,5.6,12z\"\/><\/g><\/g><\/svg>\n\t\t\t\t\t\t\t\t\t\t<span>Article<\/span>\n\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"\">\n\t\t\t\t\t\t\t\t\t\t2 weeks ago\t\t\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t<\/a>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t<\/div>\n\n<div id=\"\" class=\"hds-social-media grid-container grid-container-block nasa-gb-align- width-full maxw-full margin-y-0 padding-y-5 padding-x-3 desktop:padding-x-0 font-weight-bold hds-module wp-block-nasa-blocks-social-media-links\">\t\t<div class=\"display-flex flex-align-center padding-y-1\" id=\"social-facebook\">\n\t\t\t<div class=\"circle-4 minw-4 display-flex flex-align-center flex-justify-center\" style=\"background-color: #4267B2;\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" aria-labelledby=\"facebookIconTitle\"><title id=\"facebookIconTitle\">Facebook 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c25.727,0,46.656-20.93,46.656-46.655V46.655C169.063,20.93,148.133,0,122.406,0z M154.063,122.407 c0,17.455-14.201,31.655-31.656,31.655H46.654C29.2,154.063,15,139.862,15,122.407V46.655C15,29.201,29.2,15,46.654,15h75.752 c17.455,0,31.656,14.201,31.656,31.655V122.407z\"\/> <path d=\"M84.531,40.97c-24.021,0-43.563,19.542-43.563,43.563c0,24.02,19.542,43.561,43.563,43.561s43.563-19.541,43.563-43.561 C128.094,60.512,108.552,40.97,84.531,40.97z M84.531,113.093c-15.749,0-28.563-12.812-28.563-28.561 c0-15.75,12.813-28.563,28.563-28.563s28.563,12.813,28.563,28.563C113.094,100.281,100.28,113.093,84.531,113.093z\"\/> <path d=\"M129.921,28.251c-2.89,0-5.729,1.17-7.77,3.22c-2.051,2.04-3.23,4.88-3.23,7.78c0,2.891,1.18,5.73,3.23,7.78 c2.04,2.04,4.88,3.22,7.77,3.22c2.9,0,5.73-1.18,7.78-3.22c2.05-2.05,3.22-4.89,3.22-7.78c0-2.9-1.17-5.74-3.22-7.78 C135.661,29.421,132.821,28.251,129.921,28.251z\"\/><\/g><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/instagram.com\/NASA\" aria-label=\"Go to @NASA on instagram\" rel=\"noopener\">@NASA<\/a><a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/instagram.com\/NASAArmstrong\" aria-label=\"Go to @NASAArmstrong on instagram\" rel=\"noopener\">@NASAArmstrong<\/a><a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/instagram.com\/NASAaero\" aria-label=\"Go to @NASAaero on instagram\" rel=\"noopener\">@NASAaero<\/a><a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/instagram.com\/NASA_es\" aria-label=\"Go to @NASA_es on instagram\" rel=\"noopener\">@NASA_es<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t<div class=\"display-flex flex-align-center padding-y-1\" id=\"social-linkedin\">\n\t\t\t<div class=\"circle-4 minw-4 display-flex flex-align-center flex-justify-center\" style=\"background-color: #0072b1;\">\n\t\t\t\t<svg xmlns=\"http:\/\/www.w3.org\/2000\/svg\" width=\"24\" height=\"24\" viewBox=\"0 0 24 24\" aria-labelledby=\"linkedinIconTitle\"><title id=\"linkedinIconTitle\">Linkedin logo<\/title><path d=\"M4.98 3.5c0 1.381-1.11 2.5-2.48 2.5s-2.48-1.119-2.48-2.5c0-1.38 1.11-2.5 2.48-2.5s2.48 1.12 2.48 2.5zm.02 4.5h-5v16h5v-16zm7.982 0h-4.968v16h4.969v-8.399c0-4.67 6.029-5.052 6.029 0v8.399h4.988v-10.131c0-7.88-8.922-7.593-11.018-3.714v-2.155z\"\/><\/svg>\t\t\t<\/div>\n\t\t\t<div class=\"hds-social-media-items padding-left-2\">\n\t\t\t\t<a target=\"_blank\" class=\"margin-right-2\" href=\"https:\/\/linkedin.com\/company\/NASA\" aria-label=\"Go to @NASA on linkedin\" rel=\"noopener\">@NASA<\/a>\t\t\t<\/div>\n\t\t<\/div>\n\t\t<\/div>\n\n<div id=\"\" class=\"hds-topic-cards nasa-gb-align-full maxw-full width-full padding-y-6 padding-x-3 color-mode-dark hds-module hds-module-full wp-block-nasa-blocks-topic-cards\">\t\t<div class=\"grid-container grid-container-block-lg padding-x-0\">\n\t\t\t<div class=\"grid-row flex-align-center margin-bottom-3\">\n\t\t\t\t<div class=\"desktop:grid-col-8 margin-bottom-2 desktop:margin-bottom-0\">\n\t\t\t\t\t<div class=\"label color-carbon-60 margin-bottom-2\">Keep Exploring<\/div>\n\t\t\t\t\t<h2 class=\"heading-36 line-height-sm\">Discover More Topics From NASA<\/h2>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t\t\t<div class=\"grid-row grid-gap-2 hds-topic-cards-wrapper\">\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/armstrong\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Armstrong Flight Research 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720w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/afrc2018-0020-06_eclipse_composite_cropped-1.jpg?resize=960,1200 960w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2018\/02\/afrc2018-0020-06_eclipse_composite_cropped-1.jpg?resize=1600,2000 1600w\" sizes=\"(max-width: 1229px) 100vw, 1229px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/armstrong\/programs-projects\/aeronautics-projects\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Armstrong Aeronautics Projects<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1041\" height=\"695\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg?w=1041\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg 1041w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg?resize=768,513 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg?resize=1024,684 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg?resize=400,267 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg?resize=600,401 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2020-0128-028_0.jpg?resize=900,601 900w\" sizes=\"(max-width: 1041px) 100vw, 1041px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/armstrong\/capabilities-facilities\/aircraft-at-armstrong\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Aircraft Flown at Armstrong<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1041\" height=\"694\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg?w=1041\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg 1041w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg?resize=300,200 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg?resize=768,512 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg?resize=1024,683 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg?resize=400,267 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg?resize=600,400 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/03\/afrc2018-0287-046.jpg?resize=900,600 900w\" sizes=\"(max-width: 1041px) 100vw, 1041px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t\t<a href=\"https:\/\/www.nasa.gov\/armstrong\/capabilities-facilities\/research-and-engineering\/technologies\/\" class=\"mobile:grid-col-12 tablet:grid-col-6 desktop:grid-col-3 topic-card margin-bottom-4 desktop:margin-bottom-0\">\n\t\t\t\t<div class=\"hds-topic-card hds-cover-wrapper cover-hover-zoom bg-carbon-black\">\n\t\t\t\t\t<div class=\"skrim-overlay skrim-overlay-dark skrim-left mobile-skrim-top padding-3 display-flex flex-align-end flex-justify-start z-200\">\n\t\t\t\t\t\t<div>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<p class=\"hds-topic-card-heading heading-29 color-spacesuit-white line-height-sm margin-top-0 margin-bottom-1\">\n\t\t\t\t\t\t\t\t<span>Armstrong Technologies<\/span>\n\t\t\t\t\t\t\t\t<svg viewBox=\"0 0 32 32\" fill=\"none\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\"><circle class=\"color-nasa-red\" cx=\"16\" cy=\"16\" r=\"16\"><\/circle><path d=\"M8 16.956h12.604l-3.844 4.106 1.252 1.338L24 16l-5.988-6.4-1.252 1.338 3.844 4.106H8v1.912z\" class=\"color-spacesuit-white\"><\/path><\/svg>\n\t\t\t\t\t\t\t<\/p>\n\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t\t\t\t\t<figure class=\"hds-media-background  \"><img loading=\"lazy\" decoding=\"async\" width=\"1383\" height=\"1001\" src=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?w=1383\" class=\"attachment-1536x1536 size-1536x1536\" alt=\"\" style=\"transform: scale(1); transform-origin: 50% 50%; object-position: 50% 50%; object-fit: cover;\" block_context=\"nasa-block\" srcset=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg 1383w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?resize=300,217 300w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?resize=768,556 768w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?resize=1024,741 1024w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?resize=400,290 400w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?resize=600,434 600w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?resize=900,651 900w, https:\/\/www.nasa.gov\/wp-content\/uploads\/2023\/02\/schlieren_knife_edge_thumbnail.jpg?resize=1200,869 1200w\" sizes=\"(max-width: 1383px) 100vw, 1383px\" \/><\/figure>\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t<\/a>\n\t\t\t\t<\/div>\n\t\t\t<\/div>\n\t\t<\/div>","protected":false},"excerpt":{"rendered":"<p>NASA has concluded a flight test series to investigate technologies that may significantly reduce airframe noise for communities near airports. The flights, which gathered data that will be used to examine the acoustic benefits of two NASA aeronautical technologies, were completed in October at NASA\u2019s Armstrong Flight Research Center in Edwards, California. The combined areas […]<\/p>\n","protected":false},"author":9,"featured_media":112105,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"nasa_hds_core_meta_l10n":"en-US","nasa_hds_core_meta_article_editor":"54","nasa_hds_core_meta_article_contacts":["297677"],"nasa_hds_core_meta_article_topic":"","nasa_hds_core_meta_linked_locations":["283565"],"nasa_hds_core_meta_article_related_articles":[],"hds_migrate_meta_pr_release_id":"","hds_migrate_meta_pr_release_type":"","nasa_hds_core_meta_location_x":"","nasa_hds_core_meta_location_y":"","nasa_hds_core_meta_gallery_images":[],"footnotes":""},"categories":[2855,2660,10843,2822,2821],"news-tags":[],"internal-terms":[10616,10924,10221],"coauthors":[],"parsely":{"version":"1.1.0","meta":{"@context":"https:\/\/schema.org","@type":"NewsArticle","headline":"NASA Technology May Reduce Airframe Noise During Landing","url":"https:\/\/www.nasa.gov\/centers-and-facilities\/armstrong\/nasa-technology-may-reduce-airframe-noise-during-landing\/","mainEntityOfPage":{"@type":"WebPage","@id":"https:\/\/www.nasa.gov\/centers-and-facilities\/armstrong\/nasa-technology-may-reduce-airframe-noise-during-landing\/"},"thumbnailUrl":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?w=150&h=150&crop=1","image":{"@type":"ImageObject","url":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg"},"articleSection":"NASA Centers & Facilities","author":[{"@type":"Person","name":"NASA"}],"creator":["NASA"],"publisher":{"@type":"Organization","name":"NASA","logo":"https:\/\/www.nasa.gov\/wp-content\/themes\/nasa\/assets\/images\/nasa-logo.svg"},"keywords":["Aeronautics","NASA Aircraft","Armstrong Flight Research Center","Aeronautics Technology","Flight Innovation"],"dateCreated":"2017-10-18T15:57:00Z","datePublished":"2017-10-18T15:57:00Z","dateModified":"2023-08-18T22:24:44Z"},"rendered":"<meta name=\"parsely-title\" content=\"NASA Technology May Reduce Airframe Noise During Landing\" \/>\n<meta name=\"parsely-link\" content=\"https:\/\/www.nasa.gov\/centers-and-facilities\/armstrong\/nasa-technology-may-reduce-airframe-noise-during-landing\/\" \/>\n<meta name=\"parsely-type\" content=\"post\" \/>\n<meta name=\"parsely-image-url\" content=\"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg?w=150&h=150&crop=1\" \/>\n<meta name=\"parsely-pub-date\" content=\"2017-10-18T15:57:00Z\" \/>\n<meta name=\"parsely-section\" content=\"NASA Centers & Facilities\" \/>\n<meta name=\"parsely-tags\" content=\"Aeronautics,NASA Aircraft,Armstrong Flight Research Center,Aeronautics Technology,Flight Innovation\" \/>\n<meta name=\"parsely-author\" content=\"NASA\" \/>","tracker_url":"https:\/\/cdn.parsely.com\/keys\/nasa.gov\/p.js"},"read_time":5,"time_ago":"7 years","featured_image":{"id":112105,"file":"https:\/\/www.nasa.gov\/wp-content\/uploads\/2017\/10\/afrc2017-0208-139.jpg","title":"afrc2017-0208-139","alt":"The Landing Gear Noise Reduction fairing was designed to be porous, featuring small holes that allow air to pass through.","caption":""},"_links":{"self":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/94726"}],"collection":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/users\/9"}],"replies":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/comments?post=94726"}],"version-history":[{"count":5,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/94726\/revisions"}],"predecessor-version":[{"id":493049,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/posts\/94726\/revisions\/493049"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media\/112105"}],"wp:attachment":[{"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/media?parent=94726"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/categories?post=94726"},{"taxonomy":"news-tags","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/news-tags?post=94726"},{"taxonomy":"internal-terms","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/internal-terms?post=94726"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/www.nasa.gov\/wp-json\/wp\/v2\/coauthors?post=94726"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}