{"id":2747,"date":"2019-07-22T14:45:13","date_gmt":"2019-07-22T13:45:13","guid":{"rendered":"https:\/\/staysafe.bazl.admin.ch\/?p=2747"},"modified":"2023-07-18T10:01:24","modified_gmt":"2023-07-18T09:01:24","slug":"reminder-density-altitude","status":"publish","type":"post","link":"https:\/\/stage.staysafe.aero\/fr\/reminder-density-altitude\/","title":{"rendered":"Reminder: Density Altitude"},"content":{"rendered":"<p>La semaine prochaine sera \u00e0 nouveau marqu\u00e9e par des temp\u00e9ratures sup\u00e9rieures \u00e0 30 degr\u00e9s et M\u00e9t\u00e9oSuisse vient d&#8217;\u00e9mettre un avertissement de chaleur. Raison suffisante pour se pencher \u00e0 nouveau sur le th\u00e8me de l&#8217;altitude de densit\u00e9. Parce qu&#8217;un pilote doit toujours \u00eatre conscient des effets que les temp\u00e9ratures \u00e9lev\u00e9es peuvent avoir sur les performances d&#8217;un avion.<br \/>\nPar cons\u00e9quent, comme les performances de l&#8217;avion d\u00e9pendent de la densit\u00e9 de l&#8217;air, il faut tenir compte de la pression atmosph\u00e9rique actuelle ET de la temp\u00e9rature de l&#8217;air \u00e0 l&#8217;a\u00e9rodrome.<\/p>\n<p><strong>Note : Puisque les performances de l&#8217;avion d\u00e9pendent de la densit\u00e9 de l&#8217;air, la pression atmosph\u00e9rique actuelle ET la temp\u00e9rature de l&#8217;air \u00e0 l&#8217;a\u00e9rodrome doivent \u00eatre prises en compte.<\/strong><\/p>\n<p>De plus, les points suivants vous aideront \u00e0 r\u00e9duire le risque au minimum :<\/p>\n<ul>\n<li>Planifiez vos op\u00e9rations a\u00e9riennes aux heures les plus fra\u00eeches de la journ\u00e9e.<\/li>\n<li>Utiliser la piste con\u00e7ue pour obtenir les performances de l&#8217;avion, qui correspondent les mieux<\/li>\n<li>Limitez votre charge utile ou pr\u00e9voyez une escale carburant<\/li>\n<li>\u00c9viter le vent arri\u00e8re pendant le d\u00e9collage et l&#8217;atterrissage<\/li>\n<li>Tenir compte de l&#8217;augmentation du rayon de braquage pendant les man\u0153uvres<\/li>\n<li>Assurez-vous que la pouss\u00e9e de d\u00e9collage atteint les valeurs n\u00e9cessaires.<\/li>\n<li>Calculer si possible un profil acc\u00e9l\u00e9ration\/temps (distance de d\u00e9collage)<\/li>\n<li>Pilotez toujours votre avion selon les directives du constructeur<\/li>\n<\/ul>\n<p>Sunny Swift de l&#8217;AESA r\u00e9sume bien et de mani\u00e8re compr\u00e9hensible le sujet &#8220;Density Altitude&#8221;.<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" class=\"alignnone wp-image-2748 size-full\" src=\"https:\/\/staysafe.bazl.admin.ch\/wp-content\/uploads\/2019\/07\/Sunny-Swift-image-news-13.png\" alt=\"\" width=\"750\" height=\"365\" srcset=\"https:\/\/stage.staysafe.aero\/wp-content\/uploads\/2019\/07\/Sunny-Swift-image-news-13.png 750w, https:\/\/stage.staysafe.aero\/wp-content\/uploads\/2019\/07\/Sunny-Swift-image-news-13-300x146.png 300w\" sizes=\"(max-width: 750px) 100vw, 750px\" \/><\/p>\n<p><a href=\"https:\/\/www.easa.europa.eu\/sites\/default\/files\/dfu\/EASA-sunny-swift-flight-instructor-issue13-FR.pdf\">Sunny Swift: Density Altitude<\/a> (d\u00e9pliant en fran\u00e7ais)<\/p>","protected":false},"excerpt":{"rendered":"<p>La semaine prochaine sera \u00e0 nouveau marqu\u00e9e par des temp\u00e9ratures sup\u00e9rieures \u00e0 30 degr\u00e9s et M\u00e9t\u00e9oSuisse vient d&#8217;\u00e9mettre un avertissement [&hellip;]<\/p>\n","protected":false},"author":13,"featured_media":2748,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_exactmetrics_skip_tracking":false,"_exactmetrics_sitenote_active":false,"_exactmetrics_sitenote_note":"","_exactmetrics_sitenote_category":0,"footnotes":""},"categories":[1,9,10,13,30,31],"tags":[],"class_list":["post-2747","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-home-teaser","category-pilot","category-flugzeug","category-aktuell","category-diverses","category-operation"],"_links":{"self":[{"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/posts\/2747"}],"collection":[{"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/users\/13"}],"replies":[{"embeddable":true,"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/comments?post=2747"}],"version-history":[{"count":5,"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/posts\/2747\/revisions"}],"predecessor-version":[{"id":2753,"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/posts\/2747\/revisions\/2753"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/media\/2748"}],"wp:attachment":[{"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/media?parent=2747"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/categories?post=2747"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/stage.staysafe.aero\/fr\/wp-json\/wp\/v2\/tags?post=2747"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}