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class="level-2-link nav__link nav__link-level-2 nav__link-level-1-up nav__link-level-2-up nav__sublink" data-trail="false" href="https://www.dfs.de/homepage/en/company/dfs-the-company/"><span data-file-name="DFS – the company">DFS – the company</span></a></li><li data-has-visible-children="false" data-has-children="true" data-is-current="false" data-has-invisible-children="true" class="level-2-item item-4 even nav__item nav__item-level-2 nav__item-level-1-up nav__item-level-2-up nav__subitem" data-is-active="false"><a class="level-2-link nav__link nav__link-level-2 nav__link-level-1-up nav__link-level-2-up nav__sublink" data-trail="false" href="https://www.dfs.de/homepage/en/company/history-and-vision/"><span data-file-name="History and vision">History and vision</span></a></li><li data-has-visible-children="false" data-has-children="false" data-is-current="false" data-has-invisible-children="false" class="level-2-item item-5 odd last nav__item nav__item-level-2 nav__item-level-1-up nav__item-level-2-up nav__subitem" data-is-active="false"><a class="level-2-link nav__link nav__link-level-2 nav__link-level-1-up nav__link-level-2-up nav__sublink" data-trail="false" href="https://www.dfs.de/homepage/en/company/business-partners-of-dfs/"><span data-file-name="Business partners of DFS">Business partners of DFS</span></a></li></ul></li><li data-has-visible-children="true" data-has-children="true" data-is-current="false" data-has-invisible-children="false" class="level-1-item item-2 even nav__item nav__item-level-1 nav__item-level-1-up nav__item--has-children has-children" data-is-active="false"><a aria-expanded="false" aria-haspopup="true" href="https://www.dfs.de/homepage/en/air-traffic-control/" class="level-1-link nav__link nav__link-level-1 nav__link-level-1-up nav__link--has-children has-children" data-trail="false"><span data-file-name="Air traffic control">Air traffic control</span></a><ul class="level-2 nav__level-2 nav__level-1-up level-1-up nav__level-2-up level-2-up" data-level="2"><li data-has-visible-children="false" data-has-children="true" data-is-current="false" data-has-invisible-children="true" class="level-2-item item-1 odd first nav__item nav__item-level-2 nav__item-level-1-up nav__item-level-2-up nav__subitem" data-is-active="false"><a class="level-2-link nav__link nav__link-level-2 nav__link-level-1-up nav__link-level-2-up nav__sublink" data-trail="false" href="https://www.dfs.de/homepage/en/air-traffic-control/operations/"><span data-file-name="Operations">Operations</span></a></li><li data-has-visible-children="false" data-has-children="false" data-is-current="false" data-has-invisible-children="false" class="level-2-item item-2 even nav__item nav__item-level-2 nav__item-level-1-up nav__item-level-2-up nav__subitem" data-is-active="false"><a class="level-2-link nav__link nav__link-level-2 nav__link-level-1-up nav__link-level-2-up nav__sublink" data-trail="false" 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class="hero-header-2__main-content"><div class="row"><div class="columns small-12"><div class="id-richtext"><h2 class="paragraph dfs-color-green h1" id="how-we-reduce-aircraft-noise-dc7af5b5">How we reduce aircraft noise </h2><p class="paragraph">Wherever aircraft fly, there will be aircraft noise – from the engines, but also from air turbulence on the fuselage and wings. You<br/>cannot just switch off this noise. But we at DFS are doing everything we can to minimise aircraft noise as much as possible. Modern tools and new technologies help us to do this. </p></div></div></div></div></div></div></div></div> </div> </div> <div id="main-outer"> <div class="main-top"><div class="main-top__breadcrumbs"> <div class="row"> <div class="columns small-12"><nav aria-label="Breadcrumb Navigation" class="breadcrumbs__wrapper"><ul class="breadcrumbs"><li class="breadcrumbs__item"><a href="https://www.dfs.de/homepage/en/">Home</a></li><li class="breadcrumbs__item"><a href="https://www.dfs.de/homepage/en/environment/">Environment</a></li><li class="breadcrumbs__item active"><a aria-current="page" href="https://www.dfs.de/homepage/en/environment/aircraft-noise/" class="">Aircraft noise</a></li></ul></nav></div> </div> </div> </div> <main aria-label="Haupt Inhaltsbereich" data-navigation-anchor="" id="main-content"><div class="teaser"><div class="teaser-text-outer row align-center"><div class="teaser-text-inner columns small-12 medium-12 large-12"></div></div></div><div class=" id-repeat"><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-8-centered" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-8-centered" data-component-chooserId="content:document" data-component-label="One column zentriert: 66%" data-component-path="27697/content/repeat/item/component" class="component component-gridBuilder component-gridBuilder-content-8-centered"><div class="main-row "><div class="row align-center"><div class="columns small-12 medium-12 large-8 main-column big-column-standalone"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><h1 class="paragraph dfs-color-blue h1" id="what-dfs-does-to-protect-against-aircraft-noise-f0b3cbcc">What DFS does to protect against aircraft noise</h1><div class="i4-img-container i4-align-fullwidth i4-nofloat"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?resize=024023:780x350c&cid=etm.1l76" data-ng-non-bindable="" data-lazy-mode="on-visible" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAIAAAAmkwkpAAAAPUlEQVR4XmMoqm2tb+nq65s4b+YMhoyiquiktNTswrScEobGuuopU6bW1FbX1VQyGFk7mtu7mDu4u3n7AABSKBSdKcVYBwAAAABJRU5ErkJggg==" alt="aircraft climbing into sky" data-srcset="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=e74538:1420x637c 1420w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=dd292e:1418x637c 1418w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=72218e:1280x574c 1280w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=3e5839:1170x525c 1170w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=c711e5:1125x505c 1125w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=f9730a:960x430c 960w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=024023:780x350c 780w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=d26950:750x337c 750w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=eaeaff:720x322c 720w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=b87da9:640x287c 640w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1831451215.jpg?cid=etm.1l76&resize=fdf710:480x215c 480w" title="aircraft climbing into sky" data-sizes="(min-width: 768px) 780px, (min-width: 640px) 748px, (min-width: 480px) 640px, (min-width: 320px) 480px, 780px" class="" data-i4-img-caption="aircraft climbing into sky"/><div class="i4-img-copyright-wrapper"><div class="i4-img-copyright">© Shutterstock</div></div></div><p class="paragraph"><br/></p><p class="paragraph">Aircraft cause noise, through their engines, and through air turbulence on the fuselage and wings. Thanks to modern technology, aircraft have already become much quieter. But especially for residents living near airports, aircraft noise continues to be a nuisance. DFS has only limited influence in this regard. It does not operate any aircraft, nor does it decide on when aircraft fleets are modernised. Nevertheless, noise reduction, or abatement, plays a major role for us. When developing flight procedures, our goal is to keep the noise impact on people to a minimum.<br/></p><p class="paragraph">In doing so, we are bound by legal regulations and ordinances issued by the German Federal Government, the EU and ICAO. They provide the framework for procedures planning at DFS. Before publishing new procedures, we consider the vote of the respective Noise Abatement Commission. The German Federal Environment Agency (UBA) is also involved in the review. Ultimately, the German Federal Supervisory Authority for Air Navigation Services (BAF) determines flight routes by statutory instrument. The challenge in planning is to find the best possible compromise. Firstly, the procedure must be safe and suitable for the volume of traffic. Secondly, the flight path should be short and the fuel consumption low. And thirdly, people should be protected from noise as best as possible.</p><p class="paragraph"><a rel="" href="https://stanlytrack3.dfs.de/st3/STANLY_Track3.html" title="Go to https://stanlytrack3.dfs.de/st3/STANLY_Track3.html (You'll hereby leave "DFS Deutsche Flugsicherung GmbH". The operators of "DFS Deutsche Flugsicherung GmbH" are not responsible for the target website.)" class="hyperlink metropolis-primary-button external-link" target="_blank">Flight tracks online</a><br/></p><p class="paragraph"><br/></p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-12" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-12" data-component-chooserId="content:document" data-component-label="One column: 100%" data-component-path="27697/content/repeat/item[2]/component" class="component component-gridBuilder component-gridBuilder-content-12"><div class="main-row "><div class="row"><div class="columns small-12 medium-12 large-12 main-column main-column__outward full-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><div class="xhtmlcomponent component-teaserSlider component-teaserSlider-full-column::full"><div id="wrapper-slick-bd18b3a4" data-aria-label="Slider" class="news-teaser-slider news-slider-wrapper"><div id="slick-bd18b3a4"><div class="indent-4 news-teaser-slider__slide article-teaser article-teaser--mobile-portrait-layout-stacked--small article-teaser--tablet-portrait-layout-aside-large--medium article-teaser--tablet-landscape-layout-aside-large--large article-teaser--desktop-layout-aside-large--xlarge date-1643029325467" data-date="1643029325467"><div class="news-teaser-slider__item article-teaser__wrapper"><figure class="news-teaser-slider__figure article-teaser__picture"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/flight-procedures-on-departure/flugroutenabweichung-abflug.png?cid=f8q.1l7e" data-ng-non-bindable="" data-lazy-mode="none" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" alt="flight route deviations" title="flight route deviations" class="news-teaser-slider__picture article-teaser__image" data-resize-mode="dynamic"/><div class="i4-img-copyright">© DFS</div></figure><div class=" news-teaser-slider__caption article-teaser__content"><a href="https://www.dfs.de/homepage/en/environment/aircraft-noise/flight-procedures-on-departure/" class="news-teaser-slider__headline article-teaser__headline news-slider__headline"><h2 id="flight-procedures-on-departure-dd80c1dd" class="headline h2">Flight procedures on departure</h2></a><p class="news-slider__content"><span class="news-slider__teaser-text news-teaser-slider__text article-teaser__teaser">Flight procedures dictate how aircraft approach and depart an airport. These procedures are also …</span><a aria-hidden="true" tabindex="-1" href="https://www.dfs.de/homepage/en/environment/aircraft-noise/flight-procedures-on-departure/" class="news-teaser-slider__more article-teaser__more-button-wrapper"><span class="news-teaser-slider__more-label article-teaser__more-button">read more</span></a></p></div></div></div><div class="indent-4 news-teaser-slider__slide article-teaser article-teaser--mobile-portrait-layout-stacked--small article-teaser--tablet-portrait-layout-aside-large--medium article-teaser--tablet-landscape-layout-aside-large--large article-teaser--desktop-layout-aside-large--xlarge date-1643029427166" data-date="1643029427166"><div class="news-teaser-slider__item article-teaser__wrapper"><figure class="news-teaser-slider__figure article-teaser__picture"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/flight-procedures-on-approach/flugroutenabweichung-anflug.png?cid=f8r.1l7r" data-ng-non-bindable="" data-lazy-mode="none" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" alt="flight route deviations" title="flight route deviations" class="news-teaser-slider__picture article-teaser__image" data-resize-mode="dynamic"/><div class="i4-img-copyright">© DFS</div></figure><div class=" news-teaser-slider__caption article-teaser__content"><a href="https://www.dfs.de/homepage/en/environment/aircraft-noise/flight-procedures-on-approach/" class="news-teaser-slider__headline article-teaser__headline news-slider__headline"><h2 id="flight-procedures-on-approach-d92b0b78" class="headline h2">Flight procedures on approach</h2></a><p class="news-slider__content"><span class="news-slider__teaser-text news-teaser-slider__text article-teaser__teaser">Flight procedures dictate how aircraft approach and depart an airport. These procedures are also …</span><a aria-hidden="true" tabindex="-1" href="https://www.dfs.de/homepage/en/environment/aircraft-noise/flight-procedures-on-approach/" class="news-teaser-slider__more article-teaser__more-button-wrapper"><span class="news-teaser-slider__more-label article-teaser__more-button">read more</span></a></p></div></div></div></div><div id="slick-bd18b3a4-arrows" class="news-teaser-slider__arrows"></div></div><link rel="preload" as="script" integrity="sha512-kgUR3IPx8gd2KJz3jaA3ZWLa/A+S+ISgkc2qvl4ewDHvSDQQdusDvRTRS46x3n5Buk3vcYJMhD2OgnrYE1rScg==" href="https://www.dfs.de/:res/modules/common/common/layout/metropolis/content/news/web-components/layout-metropolis-content-news--component.system.js?fp=dfe2361c70ed"/><script>System.import("layout-metropolis-content-news--component").then(function(LayoutMetropolisContentNewsComponent) { document.querySelector("#wrapper-slick-bd18b3a4").classList.add("initialized"); var slickProperties = {"adaptiveHeight":true,"appendArrows":"#slick-bd18b3a4-arrows","nextArrow":"<button type='button' class='news-teaser-slider__arrow-next\n\t\tnews-teaser-slider__arrow'></button>","prevArrow":"<button type='button' class='news-teaser-slider__arrow-prev\n\t\tnews-teaser-slider__arrow'></button>","slidesToShow":1,"slidesToScroll":1,"dots":false,"useTransform":true,"cssEase":"ease-out","autoplay":false,"autoplaySpeed":5000.0,"accessibility":true}; slickProperties.responsive = []; slickProperties.pinFirstSlide = false; new NewsSlider($('#slick-bd18b3a4'), slickProperties); }, function(error) { console.error(error); });</script></div></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-12" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-12" data-component-chooserId="content:document" data-component-label="One column: 100%" data-component-path="27697/content/repeat/item[3]/component" class="component component-gridBuilder component-gridBuilder-content-12"><div class="main-row "><div class="row"><div class="columns small-12 medium-12 large-12 main-column main-column__outward full-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><p class="paragraph"><br/></p><p class="paragraph"><br/></p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-5-5-left" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-5-5-left" data-component-chooserId="content:document" data-component-label="Zwei Spalten: 5 | 5 Rechts ausgerückt" data-component-path="27697/content/repeat/item[4]/component" class="component component-gridBuilder component-gridBuilder-content-5-5-left"><div class="main-row "><div class="row align-center"><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><h2 class="paragraph h1" id="curving-flights-that-stay-on-track-860be245">Curving flights that stay on track <br/></h2><p class="paragraph">DFS is gradually introducing satellite-based departure and approach procedures. In this way, we are increasing the aircraft's track accuracy and ensuring that it is quieter for cities and communities near airports. An international standard has been set for the use of satellite navigation (required navigation performance, RNP). Aircraft that meet this standard are able to fly so-called radius-to-fix curves based on satellite navigation. Pilots fly a highly precise circle with a radius around a reference point determined by the air navigation service provider. This enables aircraft to better maintain their specified ideal track, especially in turns. The prerequisite for this is that the aircraft are equipped with modern satellite navigation technology approved for RNP-1.<br/></p><p class="paragraph"><br/></p><p class="paragraph"><br/></p></div></div></div></div><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-second-column id-content"><div class="i4-img-container i4-align-fullwidth i4-nofloat"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/13-ke-0155-02.png?resize=401f8c:152,0,1098,975_480x426c&cid=chv.1l77" data-ng-non-bindable="" data-lazy-mode="on-visible" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAIAAAAmkwkpAAAAP0lEQVR4XgE0AMv/ALbF0MvV3dDY3cvZ5wCfqrCJkpVsfoaQtdYAp7/Va4WWWm99jq3HAHafwm6Sr4y118ra6GJSIEBIrtcxAAAAAElFTkSuQmCC" alt="aircraft climbing into sky" data-srcset="https://www.dfs.de/homepage/en/environment/aircraft-noise/13-ke-0155-02.png?cid=chv.1l77&resize=f344f0:152,0,1098,975_960x852c 960w, https://www.dfs.de/homepage/en/environment/aircraft-noise/13-ke-0155-02.png?cid=chv.1l77&resize=692958:152,0,1098,975_720x639c 720w, https://www.dfs.de/homepage/en/environment/aircraft-noise/13-ke-0155-02.png?cid=chv.1l77&resize=401f8c:152,0,1098,975_480x426c 480w" title="aircraft climbing into sky" data-sizes="(min-width: 1200px) 480px, (min-width: 768px) 476px, (min-width: 320px) 480px, 480px" class="i4-img-flexheight" data-i4-img-caption="aircraft climbing into sky"/><div class="i4-img-copyright-wrapper"><div class="i4-img-copyright">© DFS</div></div></div><p class="paragraph"><br/></p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-5-5-left" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-5-5-left" data-component-chooserId="content:document" data-component-label="Zwei Spalten: 5 | 5 Rechts ausgerückt" data-component-path="27697/content/repeat/item[5]/component" class="component component-gridBuilder component-gridBuilder-content-5-5-left"><div class="main-row "><div class="row align-center"><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><div class="i4-img-container i4-align-fullwidth i4-nofloat"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-349758071.png?resize=e92da1:347,0,1226,1226_480x480c&cid=ci1.1l79" data-ng-non-bindable="" data-lazy-mode="on-visible" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAIAAAAmkwkpAAAAP0lEQVR4XgE0AMv/AM/GttrMud3Nu97MtwCKnamImqqHmKqZn6cAg4yfhYyciZOpfY+rAK+gprehpbKhp6WeqlEwH2VcHrOiAAAAAElFTkSuQmCC" alt="sunset aircraft approach" data-srcset="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-349758071.png?cid=ci1.1l79&resize=7f8806:347,0,1226,1226_960x960c 960w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-349758071.png?cid=ci1.1l79&resize=f73e29:347,0,1226,1226_720x720c 720w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-349758071.png?cid=ci1.1l79&resize=e92da1:347,0,1226,1226_480x480c 480w" title="sunset aircraft approach" data-sizes="(min-width: 1200px) 480px, (min-width: 768px) 476px, (min-width: 320px) 480px, 480px" class="i4-img-flexheight" data-i4-img-caption="sunset aircraft approach"/><div class="i4-img-copyright-wrapper"><div class="i4-img-copyright">© Shutterstock</div></div></div><h2 class="paragraph h1" id="xf5880b04"><br/></h2><p class="paragraph"> <br/></p></div></div></div></div><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-second-column id-content"><h2 class="paragraph h1" id="continuous-climb-and-descent-7c1b79d8">Continuous climb and descent<br/></h2><p class="paragraph">Towns and villages near airports are particularly exposed to the effects of air transport. When designing flight routes, DFS therefore pays special attention to noise-reducing solutions. During landing, a continuous descent approach (CDA) ensures less fuel consumption and less noise. For aircraft taking off, continuous climb operations, or CCO, are a way to reduce the burden of noise. In doing so, the aircraft climbs as steeply as possible to quickly reach cruising level. Because the faster an aircraft climbs, the less audible it is on the ground below the flight path. We developed the CCO departure procedure for Frankfurt Airport as part of the Alliance for Noise Protection. As with the continuous descent approach, the same applies to CCO. It is only possible if the general conditions are right. That means no air traffic is crossing and the weather conditions are favourable.</p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-12" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-12" data-component-chooserId="content:document" data-component-label="One column: 100%" data-component-path="27697/content/repeat/item[6]/component" class="component component-gridBuilder component-gridBuilder-content-12"><div class="main-row "><div class="row"><div class="columns small-12 medium-12 large-12 main-column main-column__outward full-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><div class="xhtmlcomponent component-teaserSlider component-teaserSlider-full-column::full"><div id="wrapper-slick-a82e4c70" data-aria-label="Slider" class="news-teaser-slider news-slider-wrapper"><div id="slick-a82e4c70"><div class="indent-4 news-teaser-slider__slide article-teaser article-teaser--mobile-portrait-layout-stacked--small article-teaser--tablet-portrait-layout-aside-large--medium article-teaser--tablet-landscape-layout-aside-large--large article-teaser--desktop-layout-aside-large--xlarge date-1643029496786" data-date="1643029496786"><div class="news-teaser-slider__item article-teaser__wrapper"><figure class="news-teaser-slider__figure article-teaser__picture"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/continuous-descent-approach/cdo-verfahren-2021-en.png?cid=fae.1l7o" data-ng-non-bindable="" data-lazy-mode="none" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" alt="graphic on continuous aircraft descent" title="graphic on continuous aircraft descent" class="news-teaser-slider__picture article-teaser__image" data-resize-mode="dynamic"/><div class="i4-img-copyright">© DFS</div></figure><div class=" news-teaser-slider__caption article-teaser__content"><a href="https://www.dfs.de/homepage/en/environment/aircraft-noise/continuous-descent-approach/" class="news-teaser-slider__headline article-teaser__headline news-slider__headline"><h2 id="how-to-make-flying-quieter-descent-c3d8a649" class="headline h2">How to make flying quieter – descent</h2></a><p class="news-slider__content"><span class="news-slider__teaser-text news-teaser-slider__text article-teaser__teaser">Minimum engine power is required when an aircraft descends continuously, ideally in glide, until …</span><a aria-hidden="true" tabindex="-1" href="https://www.dfs.de/homepage/en/environment/aircraft-noise/continuous-descent-approach/" class="news-teaser-slider__more article-teaser__more-button-wrapper"><span class="news-teaser-slider__more-label article-teaser__more-button">read more</span></a></p></div></div></div><div class="indent-4 news-teaser-slider__slide article-teaser article-teaser--mobile-portrait-layout-stacked--small article-teaser--tablet-portrait-layout-aside-large--medium article-teaser--tablet-landscape-layout-aside-large--large article-teaser--desktop-layout-aside-large--xlarge date-1643029582443" data-date="1643029582443"><div class="news-teaser-slider__item article-teaser__wrapper"><figure class="news-teaser-slider__figure article-teaser__picture"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/area-navigation/pbm-konzept-en-1920px.png?cid=glh.1l7w" data-ng-non-bindable="" data-lazy-mode="none" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" alt="graphic on navigation types" title="graphic on navigation types" class="news-teaser-slider__picture article-teaser__image i4-object-scale-down" data-resize-mode="dynamic"/><div class="i4-img-copyright">© DFS</div></figure><div class=" news-teaser-slider__caption article-teaser__content"><a href="https://www.dfs.de/homepage/en/environment/aircraft-noise/area-navigation/" class="news-teaser-slider__headline article-teaser__headline news-slider__headline"><h2 id="how-to-make-flying-quieter-navigation-4ad02d25" class="headline h2">How to make flying quieter – navigation</h2></a><p class="news-slider__content"><span class="news-slider__teaser-text news-teaser-slider__text article-teaser__teaser">With ground-based navigation, the aircraft know where they are by flying over radio beacons. Area …</span><a aria-hidden="true" tabindex="-1" href="https://www.dfs.de/homepage/en/environment/aircraft-noise/area-navigation/" class="news-teaser-slider__more article-teaser__more-button-wrapper"><span class="news-teaser-slider__more-label article-teaser__more-button">read more</span></a></p></div></div></div><div class="indent-4 news-teaser-slider__slide article-teaser article-teaser--mobile-portrait-layout-stacked--small article-teaser--tablet-portrait-layout-aside-large--medium article-teaser--tablet-landscape-layout-aside-large--large article-teaser--desktop-layout-aside-large--xlarge date-1643029660946" data-date="1643029660946"><div class="news-teaser-slider__item article-teaser__wrapper"><figure class="news-teaser-slider__figure article-teaser__picture"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/gbas/gebas-anflug-en.png?cid=fag.1l83" data-ng-non-bindable="" data-lazy-mode="none" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAQAAAC1HAwCAAAAC0lEQVR42mNkYAAAAAYAAjCB0C8AAAAASUVORK5CYII=" alt="graphic on GBAS approach" title="graphic on GBAS approach" class="news-teaser-slider__picture article-teaser__image" data-resize-mode="dynamic"/><div class="i4-img-copyright">© DFS</div></figure><div class=" news-teaser-slider__caption article-teaser__content"><a href="https://www.dfs.de/homepage/en/environment/aircraft-noise/gbas/" class="news-teaser-slider__headline article-teaser__headline news-slider__headline"><h2 id="how-to-make-flying-quieter-gbas-1a3ba943" class="headline h2">How to make flying quieter – GBAS</h2></a><p class="news-slider__content"><span class="news-slider__teaser-text news-teaser-slider__text article-teaser__teaser">GBAS is a precision approach system based on satellite navigation. GPS on its own would be too …</span><a aria-hidden="true" tabindex="-1" href="https://www.dfs.de/homepage/en/environment/aircraft-noise/gbas/" class="news-teaser-slider__more article-teaser__more-button-wrapper"><span class="news-teaser-slider__more-label article-teaser__more-button">read more</span></a></p></div></div></div></div><div id="slick-a82e4c70-arrows" class="news-teaser-slider__arrows"></div></div><script>System.import("layout-metropolis-content-news--component").then(function(LayoutMetropolisContentNewsComponent) { document.querySelector("#wrapper-slick-a82e4c70").classList.add("initialized"); var slickProperties = {"adaptiveHeight":true,"appendArrows":"#slick-a82e4c70-arrows","nextArrow":"<button type='button' class='news-teaser-slider__arrow-next\n\t\tnews-teaser-slider__arrow'></button>","prevArrow":"<button type='button' class='news-teaser-slider__arrow-prev\n\t\tnews-teaser-slider__arrow'></button>","slidesToShow":1,"slidesToScroll":1,"dots":false,"useTransform":true,"cssEase":"ease-out","autoplay":false,"autoplaySpeed":5000.0,"accessibility":true}; slickProperties.responsive = []; slickProperties.pinFirstSlide = false; new NewsSlider($('#slick-a82e4c70'), slickProperties); }, function(error) { console.error(error); });</script></div></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-12" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-12" data-component-chooserId="content:document" data-component-label="One column: 100%" data-component-path="27697/content/repeat/item[7]/component" class="component component-gridBuilder component-gridBuilder-content-12"><div class="main-row "><div class="row"><div class="columns small-12 medium-12 large-12 main-column main-column__outward full-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><p class="paragraph"><br/></p><p class="paragraph"><br/></p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-5-5-left" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-5-5-left" data-component-chooserId="content:document" data-component-label="Zwei Spalten: 5 | 5 Rechts ausgerückt" data-component-path="27697/content/repeat/item[8]/component" class="component component-gridBuilder component-gridBuilder-content-5-5-left"><div class="main-row "><div class="row align-center"><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><h2 class="paragraph h1" id="individual-clearances-from-a-minimum-altitude-only-433162ca">Individual clearances from a minimum<br/>altitude only<br/></h2><p class="paragraph">Departures from airports generally follow established procedures, which DFS designs based on ICAO criteria. Up to a specific level, compliance with these fixed routes is a must. Once the minimum safe level has been reached, pilots are theoretically allowed to leave the departure route after consulting air traffic controllers and fly to the next route segment earlier than planned. However, in consideration of the residents in the vicinity of airports, we have undertaken not to give clearance to leave the departure procedure below 5,000 feet. This corresponds to an altitude of 1,500 metres. Individual clearances can also reduce carbon dioxide emissions in cases when they shorten routes, and aircraft burn less fuel as a result.</p><p class="paragraph"><br/></p><p class="paragraph"><br/></p></div></div></div></div><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-second-column id-content"><div class="i4-img-container i4-align-fullwidth i4-nofloat"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1705305991.png?resize=f300f8:337,0,1246,1189_480x458c&cid=ci4.1l7a" data-ng-non-bindable="" data-lazy-mode="on-visible" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAIAAAAmkwkpAAAAPElEQVR4XmPw9PIJjojzDgi1cgtkmLZwTW5tf2xWdURGDYOtmYWplbOtvUdpcRmDhYlJZXWtooaRoqouAL5mEAJhy06QAAAAAElFTkSuQmCC" alt="airplane cockpit during flight" data-srcset="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1705305991.png?cid=ci4.1l7a&resize=67d221:337,0,1246,1189_960x916c 960w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1705305991.png?cid=ci4.1l7a&resize=eaccdc:337,0,1246,1189_720x687c 720w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-1705305991.png?cid=ci4.1l7a&resize=f300f8:337,0,1246,1189_480x458c 480w" title="airplane cockpit during flight" data-sizes="(min-width: 1200px) 480px, (min-width: 768px) 476px, (min-width: 320px) 480px, 480px" class="i4-img-flexheight" data-i4-img-caption="airplane cockpit during flight"/><div class="i4-img-copyright-wrapper"><div class="i4-img-copyright">© Shutterstock</div></div></div><p class="paragraph"><br/></p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-5-5-left" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-5-5-left" data-component-chooserId="content:document" data-component-label="Zwei Spalten: 5 | 5 Rechts ausgerückt" data-component-path="27697/content/repeat/item[9]/component" class="component component-gridBuilder component-gridBuilder-content-5-5-left"><div class="main-row "><div class="row align-center"><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><div class="i4-img-container i4-align-fullwidth i4-nofloat"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/04-ke-0278-24.png?resize=a58af7:161,0,1079,960_480x427c&cid=chy.1l71" data-ng-non-bindable="" data-lazy-mode="on-visible" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAIAAAAmkwkpAAAAPUlEQVR4XmNws9ZTkxVgZWGytbJi8HQ0tTBUV5cQMlWQZshJjYsK8vRysY0I8GE4fuRIb0fr4rkzNqxYAAAWCw9rNNXuLgAAAABJRU5ErkJggg==" alt="aircraft jet engine" data-srcset="https://www.dfs.de/homepage/en/environment/aircraft-noise/04-ke-0278-24.png?cid=chy.1l71&resize=3b37d9:161,0,1079,960_960x854c 960w, https://www.dfs.de/homepage/en/environment/aircraft-noise/04-ke-0278-24.png?cid=chy.1l71&resize=61e8af:161,0,1079,960_720x640c 720w, https://www.dfs.de/homepage/en/environment/aircraft-noise/04-ke-0278-24.png?cid=chy.1l71&resize=a58af7:161,0,1079,960_480x427c 480w" title="aircraft jet engine" data-sizes="(min-width: 1200px) 480px, (min-width: 768px) 476px, (min-width: 320px) 480px, 480px" class="i4-img-flexheight" data-i4-img-caption="aircraft jet engine"/><div class="i4-img-copyright-wrapper"><div class="i4-img-copyright">© DFS</div></div></div><h2 class="paragraph h1" id="xcd9e34b0"><a rel="" data-file-type="image/png" href="https://www.dfs.de/homepage/en/environment/aircraft-noise/04-ke-0278-24.png?cid=chy.wjm" title="Go to Image file "aircraft jet engine" (opens in a new browser window)" class="hyperlink internal-link" target="_blank"><br/></a></h2></div></div></div></div><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-second-column id-content"><h2 class="paragraph h1" id="minimising-noise-pollution-0463a908">Minimising noise pollution<br/></h2><p class="paragraph">The most noise is generated when an aircraft takes off. DFS uses the NIROS system (Noise Impact Reduction and Optimisation System) to weigh up which of the flight route alternatives we have worked out is the most favourable. It contains all aircraft types, their technical equipment, geodata and information on the population density of specific regions. Based on the number of aircraft, their performance characteristics and speed, as well as the level in the individual flight phases, the system calculates how long the aircraft will fly over a location. This, in turn, results in an index that indicates how many people hear an aircraft and at what volume. NIROS thus provides a very precise basis for further planning. Whenever possible, densely populated areas are flown around.</p><p class="paragraph"><br/></p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-5-5-left" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-5-5-left" data-component-chooserId="content:document" data-component-label="Zwei Spalten: 5 | 5 Rechts ausgerückt" data-component-path="27697/content/repeat/item[10]/component" class="component component-gridBuilder component-gridBuilder-content-5-5-left"><div class="main-row "><div class="row align-center"><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-first-column id-content"><h2 class="paragraph h1" id="greatest-possible-accuracy-cb07db9e">Greatest possible accuracy<br/></h2><p class="paragraph">In order to reduce the impact of aircraft noise, DFS is constantly<br/>enhancing its technical systems. For example, we have developed the GBAS precision approach system, which stands for ground-based augmentation system. GBAS works in addition to satellite navigation and sends correction signals from an additional ground station. This enables precise approaches with a maximum deviation of 15 metres in any direction – a level of precision that satellite navigation alone could not guarantee. GBAS also requires less maintenance than the instrument landing system (ILS), which normally guides aircraft to the runway, and can support a variety of approach procedures simultaneously.<br/></p><p class="paragraph"><br/></p><p class="paragraph"><br/></p></div></div></div></div><div class="columns small-12 medium-6 large-1 layout-column show-for-large"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "></div></div></div><div class="columns small-12 medium-6 large-5 main-column"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper "><div class="id-content-second-column id-content"><div class="i4-img-container i4-align-fullwidth i4-nofloat"><img data-src="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-363654452.jpg?resize=5aaaf8:1,0,717,601_480x402c&cid=etp.1l75" data-ng-non-bindable="" data-lazy-mode="on-visible" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAIAAAAmkwkpAAAAP0lEQVR4XgE0AMv/AAEcQgUcPAYULgYOJAATT4BNYXteZ3JAY4UAor/VqaOXp7O+Jm2aALjM5OTj69Pe7q7Q6JpsFyQ6LluLAAAAAElFTkSuQmCC" alt="satellite in space" data-srcset="https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-363654452.jpg?cid=etp.1l75&resize=1d497b:1,0,717,601_718x601c 718w, https://www.dfs.de/homepage/en/environment/aircraft-noise/shutterstock-363654452.jpg?cid=etp.1l75&resize=5aaaf8:1,0,717,601_480x402c 480w" title="satellite in space" data-sizes="(min-width: 1200px) 480px, (min-width: 768px) 476px, (min-width: 320px) 480px, 480px" class="i4-img-flexheight" data-i4-img-caption="satellite in space"/><div class="i4-img-copyright-wrapper"><div class="i4-img-copyright">© Shutterstock</div></div></div><p class="paragraph"><br/></p></div></div></div></div></div></div></div></div><div class="row-instance"><div data-component="3956ad99-52b4-4410-a242-b943de5ef8aa.gridBuilder:content-8-centered" data-component-name="common.common.layout.metropolis.framework.meta:gridBuilder:content-8-centered" data-component-chooserId="content:document" data-component-label="One column zentriert: 66%" data-component-path="27697/content/repeat/item[11]/component" class="component component-gridBuilder component-gridBuilder-content-8-centered"><div class="main-row "><div class="row align-center"><div class="columns small-12 medium-12 large-8 main-column big-column-standalone"><div class="main-column__wrapper"><div class="column__content-wrapper main-column__content-wrapper main-column--background-color-light-blue "><div class="id-content-first-column id-content"><div class="i4-img-container i4-align-fullwidth i4-nofloat"><img data-src="https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?resize=6db22e:780x350c&cid=cw7.1lk0" data-ng-non-bindable="" data-lazy-mode="on-visible" src="data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAQAAAAECAIAAAAmkwkpAAAAP0lEQVR4XgE0AMv/AN3e4cbK1LzCz8zQ2QCMkZSJj5Ors763vcQAmqW0RUlLTE9SX2VtAJaktZilt5ypu6Ctv0kEHkytskEXAAAAAElFTkSuQmCC" alt="Eurofighter" data-srcset="https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=d5946e:1560x700c 1560w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=3c86f9:1500x674c 1500w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=dee151:1280x574c 1280w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=b2b201:1170x525c 1170w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=c89d9c:1125x505c 1125w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=0d7684:960x430c 960w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=6db22e:780x350c 780w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=595aac:750x337c 750w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=ba105d:720x322c 720w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=f7007f:640x287c 640w, https://www.dfs.de/homepage/de/services/kommerzielle-luftfahrt/shutterstock-2054542139.png?cid=cw7.1lk0&resize=8370c5:480x215c 480w" title="Eurofighter" data-sizes="(min-width: 768px) 780px, (min-width: 640px) 748px, (min-width: 480px) 640px, (min-width: 320px) 480px, 780px" class="" data-i4-img-caption="Eurofighter"/><div class="i4-img-copyright-wrapper"><div class="i4-img-copyright">© Shutterstock</div></div></div><p class="paragraph"><strong><br/></strong></p><h2 class="paragraph h1" id="citizen-complaints-5302ec8c">Citizen complaints</h2><p class="paragraph">As a citizen, do you have concerns or complaints about military flight operations? In such cases, you need to contact the German Air Force directly: </p><p class="paragraph"><a rel="" href="https://www.bundeswehr.de/de/organisation/weitere-bmvg-dienststellen/das-luftfahrtamt-der-bundeswehr/buergerservice-rund-um-den-militaerischen-flugbetrieb" title="Go to https://www.bundeswehr.de/de/organisation/weitere-bmvg-dienststellen/das-luftfahrtamt-der-bundeswehr/buergerservice-rund-um-den-militaerischen-flugbetrieb (You'll hereby leave "DFS Deutsche Flugsicherung GmbH". The operators of "DFS Deutsche Flugsicherung GmbH" are not responsible for the target website.)" class="hyperlink external-link" target="_blank">German Air Force</a></p><p class="paragraph">Are you of the opinion that a civil aircraft is flying lower than usual or not along the usual route? Does the noise level seem to be higher than usual? Do you have questions in this regard? 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