{"id":2016,"date":"2025-08-18T11:35:14","date_gmt":"2025-08-18T09:35:14","guid":{"rendered":"https:\/\/acriv.org\/WP\/?page_id=2016"},"modified":"2025-08-18T11:36:09","modified_gmt":"2025-08-18T09:36:09","slug":"2016-2","status":"publish","type":"page","link":"https:\/\/acriv.org\/WP\/2016-2\/","title":{"rendered":"\ud83d\udee9\ufe0fL&rsquo;ESTIME"},"content":{"rendered":"<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"414\" height=\"234\" src=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-75.png\" alt=\"\" class=\"wp-image-2021\" style=\"width:362px;height:auto\" srcset=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-75.png 414w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-75-300x170.png 300w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-75-310x175.png 310w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-75-150x85.png 150w\" sizes=\"auto, (max-width: 414px) 100vw, 414px\" \/><\/figure>\n<\/div>\n\n\n<h1 class=\"wp-block-heading\">\ud83d\udeeb \u00c9tapes de la navigation a\u00e9rienne \u00e0 l\u2019estime \/ pilotage VFR<\/h1>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"517\" height=\"260\" src=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-76.png\" alt=\"\" class=\"wp-image-2022\" style=\"width:558px;height:auto\" srcset=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-76.png 517w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-76-300x151.png 300w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-76-310x156.png 310w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-76-150x75.png 150w\" sizes=\"auto, (max-width: 517px) 100vw, 517px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>1\ufe0f\u20e3 D\u00e9finir le plan de vol<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Choisir <strong>point de d\u00e9part<\/strong>, <strong>point d\u2019arriv\u00e9e<\/strong> et \u00e9ventuellement <strong>points interm\u00e9diaires (waypoints)<\/strong>.<\/li>\n\n\n\n<li>Tracer la route <strong>droite sur la carte a\u00e9ronautique<\/strong>.<\/li>\n\n\n\n<li>Mesurer la <strong>distance en milles nautiques (NM)<\/strong> \u00e0 l\u2019aide de l\u2019\u00e9chelle de la carte.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>2\ufe0f\u20e3 D\u00e9terminer le cap vrai (True Heading)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cap vrai (True Course, TC)<\/strong> : angle entre le <strong>nord vrai<\/strong> et la ligne de route sur la carte.<\/li>\n\n\n\n<li>Mesurer avec la <strong>r\u00e8gle de navigation ou rapporteur de carte<\/strong>.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>3\ufe0f\u20e3 Corriger pour la d\u00e9clinaison magn\u00e9tique<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>La <strong>d\u00e9clinaison magn\u00e9tique<\/strong> (variation entre nord vrai et nord magn\u00e9tique) figure sur la carte.<\/li>\n\n\n\n<li>Calcul :<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"466\" height=\"37\" src=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-71.png\" alt=\"\" class=\"wp-image-2017\" srcset=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-71.png 466w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-71-300x24.png 300w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-71-310x25.png 310w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-71-150x12.png 150w\" sizes=\"auto, (max-width: 466px) 100vw, 466px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li>Exemple :\n<ul class=\"wp-block-list\">\n<li>TC = 045\u00b0<\/li>\n\n\n\n<li>Variation magn\u00e9tique = 2\u00b0 E \u2192 Cap compas = 045\u00b0 \u2212 2\u00b0 = 043\u00b0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>4\ufe0f\u20e3 Estimer l\u2019effet du vent (d\u00e9rive)<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Le vent peut <strong>faire d\u00e9vier l\u2019avion de sa route<\/strong> \u2192 besoin de corriger le cap.<\/li>\n\n\n\n<li>M\u00e9thodes :\n<ol class=\"wp-block-list\">\n<li><strong>Graphique ou plotter<\/strong> (m\u00e9thode du triangle du vent).<\/li>\n\n\n\n<li><strong>Formule simplifi\u00e9e<\/strong> :<\/li>\n<\/ol>\n<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"298\" height=\"77\" src=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-73.png\" alt=\"\" class=\"wp-image-2019\" srcset=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-73.png 298w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-73-150x39.png 150w\" sizes=\"auto, (max-width: 298px) 100vw, 298px\" \/><\/figure>\n<\/div>\n\n\n<p>o\u00f9 \u03b1 = angle entre le vent et la route.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Cap compas corrig\u00e9<\/strong> :<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"527\" height=\"39\" src=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-72.png\" alt=\"\" class=\"wp-image-2018\" srcset=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-72.png 527w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-72-300x22.png 300w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-72-310x23.png 310w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-72-150x11.png 150w\" sizes=\"auto, (max-width: 527px) 100vw, 527px\" \/><\/figure>\n<\/div>\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>5\ufe0f\u20e3 Calculer le temps de vol et consommation<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Temps pour chaque segment :<\/li>\n<\/ul>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"aligncenter size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"319\" height=\"70\" src=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-74.png\" alt=\"\" class=\"wp-image-2020\" srcset=\"https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-74.png 319w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-74-300x66.png 300w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-74-310x68.png 310w, https:\/\/acriv.org\/WP\/wp-content\/uploads\/2025\/08\/image-74-150x33.png 150w\" sizes=\"auto, (max-width: 319px) 100vw, 319px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\">\n<li><strong>Vitesse sol (GS, Ground Speed)<\/strong> = vitesse avion corrig\u00e9e du vent (avec vent arri\u00e8re\/face ou lat\u00e9ral).<\/li>\n\n\n\n<li>Consommation carburant = temps \u00d7 consommation par heure.<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>6\ufe0f\u20e3 Reporter les informations sur la carte \/ carnet de navigation<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Pour chaque segment :\n<ul class=\"wp-block-list\">\n<li>Point de d\u00e9part \/ d\u2019arriv\u00e9e<\/li>\n\n\n\n<li>Distance<\/li>\n\n\n\n<li>TC \/ Cap compas corrig\u00e9<\/li>\n\n\n\n<li>Vitesse sol et temps estim\u00e9<\/li>\n\n\n\n<li>Points de rep\u00e8re VFR<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n\n\n\n<hr class=\"wp-block-separator has-alpha-channel-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>7\ufe0f\u20e3 V\u00e9rification et pr\u00e9paration finale<\/strong><\/h2>\n\n\n\n<ul class=\"wp-block-list\">\n<li>V\u00e9rifier les <strong>niveaux de vol<\/strong> selon la r\u00e8gle semi-circulaire (VFR\/IFR).<\/li>\n\n\n\n<li>V\u00e9rifier <strong>espaces a\u00e9riens travers\u00e9s<\/strong> (CTR, TMA, zones R\/D\/P).<\/li>\n\n\n\n<li>Pr\u00e9parer <strong>alternatives en cas de d\u00e9routement<\/strong>.<\/li>\n<\/ul>\n","protected":false},"excerpt":{"rendered":"<p>\ud83d\udeeb \u00c9tapes de la navigation a\u00e9rienne \u00e0 l\u2019estime \/ pilotage VFR 1\ufe0f\u20e3 D\u00e9finir le plan de vol 2\ufe0f\u20e3 D\u00e9terminer le cap vrai (True Heading) 3\ufe0f\u20e3 Corriger pour la d\u00e9clinaison magn\u00e9tique 4\ufe0f\u20e3 Estimer l\u2019effet du vent (d\u00e9rive) o\u00f9 \u03b1 = angle entre le vent et la route. 5\ufe0f\u20e3 Calculer le temps de vol et consommation 6\ufe0f\u20e3 Reporter les informations sur la<\/p>\n<p><a class=\"more-link\" href=\"https:\/\/acriv.org\/WP\/2016-2\/\">Read More<\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":""},"class_list":["post-2016","page","type-page","status-publish","hentry"],"jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages\/2016","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/comments?post=2016"}],"version-history":[{"count":2,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages\/2016\/revisions"}],"predecessor-version":[{"id":2024,"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/pages\/2016\/revisions\/2024"}],"wp:attachment":[{"href":"https:\/\/acriv.org\/WP\/wp-json\/wp\/v2\/media?parent=2016"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}