{"id":6031,"date":"2018-07-27T02:59:55","date_gmt":"2018-07-26T21:29:55","guid":{"rendered":"https:\/\/www.digitalcreed.in\/?p=6031"},"modified":"2020-05-24T11:50:17","modified_gmt":"2020-05-24T06:20:17","slug":"quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off","status":"publish","type":"post","link":"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/","title":{"rendered":"Quora: Why don&#8217;t aircraft turn off their engine when waiting near the runway before take-off?"},"content":{"rendered":"<h1><span class=\"rendered_qtext\">Quora: Why don&#8217;t aircraft turn off their engine when waiting near the runway before take-off? I have observed they wait more than 15 mins near the runway when there are more aircraft landing.<\/span><\/h1>\n<p>An aircraft engine has multiple functions. It is used for generating electricity to power the various systems in an aircraft. It also draws in air that\u2019s needed inside the cabin. If the engines are switched off then the pilot has to turn on the APU or Auxiliary Power Unit \u2014 a generator under the tail of the plane. When an aircraft is parked at the gate, it draws its power from the ground power units. It also takes at least 3 &#8211; 5 minutes for the APU to power up the engines if these are switched off. That is a lot of time in an over crowded airport like Mumbai \u2014 which has only one functional runway.<\/p>\n<p><a href=\"https:\/\/www.quora.com\/Why-dont-aircraft-turn-off-their-engine-when-waiting-near-the-runway-before-take-off-I-have-observed-they-wait-more-than-15-mins-near-the-runway-when-there-are-more-aircraft-landing\" target=\"_blank\" rel=\"noopener noreferrer\">A more detailed answer here on Quora.<\/a><\/p>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Quora: Why don&#8217;t aircraft turn off their engine when waiting near the runway before take-off? I have observed they wait more than 15 mins near the runway when there are more aircraft landing. An aircraft engine has multiple functions. It is used for generating electricity to power the various systems in an aircraft. It also [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1190,2187],"tags":[210,1436],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v21.7 (Yoast SEO v22.5) - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Quora: Why don&#039;t aircraft turn off their engine when waiting near the runway before take-off? - Digital Creed<\/title>\n<meta name=\"description\" content=\"%\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/\" \/>\n<meta property=\"og:locale\" content=\"en_GB\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Quora: Why don&#039;t aircraft turn off their engine when waiting near the runway before take-off?\" \/>\n<meta property=\"og:description\" content=\"%\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/\" \/>\n<meta property=\"og:site_name\" content=\"Digital Creed\" \/>\n<meta property=\"article:publisher\" content=\"https:\/\/www.facebook.com\/digicreed9\" \/>\n<meta property=\"article:author\" content=\"https:\/\/www.facebook.com\/digicreed9\" \/>\n<meta property=\"article:published_time\" content=\"2018-07-26T21:29:55+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2020-05-24T06:20:17+00:00\" \/>\n<meta name=\"author\" content=\"Brian Pereira\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@https:\/\/twitter.com\/creed_digital\" \/>\n<meta name=\"twitter:site\" content=\"@creed_digital\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Brian Pereira\" \/>\n\t<meta name=\"twitter:label2\" content=\"Estimated reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/\"},\"author\":{\"name\":\"Brian Pereira\",\"@id\":\"https:\/\/www.digitalcreed.in\/#\/schema\/person\/4fcfd56778074a287a455acd853b5b45\"},\"headline\":\"Quora: Why don&#8217;t aircraft turn off their engine when waiting near the runway before take-off?\",\"datePublished\":\"2018-07-26T21:29:55+00:00\",\"dateModified\":\"2020-05-24T06:20:17+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/\"},\"wordCount\":171,\"publisher\":{\"@id\":\"https:\/\/www.digitalcreed.in\/#\/schema\/person\/4fcfd56778074a287a455acd853b5b45\"},\"keywords\":[\"Aviation\",\"Engines\"],\"articleSection\":[\"AVIATION &amp; AIRPORTS\",\"INDUSTRIES\"],\"inLanguage\":\"en-GB\"},{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/\",\"url\":\"https:\/\/www.digitalcreed.in\/quora-dont-aircraft-turn-off-engine-waiting-near-runway-take-off\/\",\"name\":\"Quora: Why don't aircraft turn off their engine when waiting near the runway before take-off? 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