{"id":5890394,"date":"2026-07-17T09:52:09","date_gmt":"2026-07-17T07:52:09","guid":{"rendered":"https:\/\/migflug.com\/jetflights\/british-airways-flight-9-volcanic-ash-747-glide-1982\/"},"modified":"2026-07-17T09:52:20","modified_gmt":"2026-07-17T07:52:20","slug":"volo-british-airways-9-cenere-vulcanica-boeing-747-glide-1982","status":"publish","type":"post","link":"https:\/\/migflug.com\/jetflights\/it\/british-airways-flight-9-volcanic-ash-747-glide-1982\/","title":{"rendered":"La notte in cui un Boeing 747 perse tutti e quattro i motori"},"content":{"rendered":"<style>.et_pb_title_container h1.entry-title { padding-top: 40px !important; }<\/style><p>Era una notte calma e limpida sull&#039;Oceano Indiano, il 24 giugno 1982, quando i passeggeri del volo British Airways 9 notarono qualcosa di strano: un bagliore lungo le ali e sbuffi di fumo che si sprigionavano nella cabina, con un odore di zolfo. Nella parte anteriore dell&#039;aereo, l&#039;equipaggio osserv\u00f2 il fuoco di Sant&#039;Elmo danzare sul parabrezza. Poi, uno dopo l&#039;altro, tutti e quattro i motori del loro Boeing 747 si spensero.<\/p><p>Ci\u00f2 che segu\u00ec divenne una delle pi\u00f9 grandi imprese aviatorie della storia dell&#039;aviazione: un jumbo jet a pieno carico, con 263 persone a bordo, che planava silenziosamente nell&#039;oscurit\u00e0 senza alcun motore, e un capitano il cui annuncio calmo non \u00e8 mai stato superato.<\/p>\n<div style=\"background:#f5f5f5;padding:20px;border-radius:8px;margin:24px 0\"><p style=\"margin:0 0 10px;font-weight:700;font-size:15px;letter-spacing:.03em\">INFORMAZIONI RAPIDE<\/p><table style=\"border-collapse:collapse;font-size:15px;line-height:1.5\"><tbody><tr><td style=\"padding:4px 14px 4px 0;color:#555;vertical-align:top;white-space:nowrap\"><strong>Volo<\/strong><\/td><td style=\"padding:4px 0\">Volo 9 della British Airways (&quot;Speedbird 9&quot;)<\/td><\/tr><tr><td style=\"padding:4px 14px 4px 0;color:#555;vertical-align:top;white-space:nowrap\"><strong>Data<\/strong><\/td><td style=\"padding:4px 0\">24 giugno 1982<\/td><\/tr><tr><td style=\"padding:4px 14px 4px 0;color:#555;vertical-align:top;white-space:nowrap\"><strong>Aeromobili<\/strong><\/td><td style=\"padding:4px 0\">Boeing 747-236B, G-BDXH \u201cCity of Edinburgh\u201d<\/td><\/tr><tr><td style=\"padding:4px 14px 4px 0;color:#555;vertical-align:top;white-space:nowrap\"><strong>A bordo<\/strong><\/td><td style=\"padding:4px 0\">263 passeggeri e membri dell&#039;equipaggio<\/td><\/tr><tr><td style=\"padding:4px 14px 4px 0;color:#555;vertical-align:top;white-space:nowrap\"><strong>Causa<\/strong><\/td><td style=\"padding:4px 0\">Cenere vulcanica del monte Galunggung, Indonesia<\/td><\/tr><tr><td style=\"padding:4px 14px 4px 0;color:#555;vertical-align:top;white-space:nowrap\"><strong>La scivolata<\/strong><\/td><td style=\"padding:4px 0\">Da 37.000 piedi a 12.000 piedi senza motori<\/td><\/tr><tr><td style=\"padding:4px 14px 4px 0;color:#555;vertical-align:top;white-space:nowrap\"><strong>Risultato<\/strong><\/td><td style=\"padding:4px 0\">Tutti a bordo sono sopravvissuti; sono atterrati a Giacarta<\/td><\/tr><\/tbody><\/table><\/div>\n<h2 style=\"padding-top:22px\">La nuvola invisibile<\/h2><p>Il Boeing 747 stava volando a 37.000 piedi di altitudine sulla tratta da Kuala Lumpur a Perth. Ci\u00f2 che l&#039;equipaggio non poteva vedere, poich\u00e9 la cenere vulcanica secca non viene rilevata dai radar meteorologici, era che il monte Galunggung era eruttato sotto e a sud, riempiendo il cielo notturno con un&#039;enorme e abrasiva nube di roccia polverizzata. Il 747 ci si schiant\u00f2 contro.<\/p><p>La cenere ricopriva l&#039;aereo di sabbia, si surriscaldava nei motori e ne impediva il flusso d&#039;aria necessario. Il motore numero quattro ha avuto un&#039;improvvisa impennata e si \u00e8 spento per primo. Poi il secondo e il terzo. Infine il primo. A 37.000 piedi di altitudine, il pi\u00f9 grande aereo di linea del mondo si era trasformato nel pi\u00f9 grande aliante del mondo.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=60165406  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/a\/a8\/Galunggung_eruption_1982.jpeg\" alt=\"Il monte Galunggung in eruzione nel 1982\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">Il monte Galunggung, la cui eruzione del 1982 sollev\u00f2 la nube di cenere invisibile che ferm\u00f2 tutti e quattro i motori. Foto: Wikimedia Commons<\/figcaption><\/figure>\n<p>In cabina, il capitano Eric Moody si avvicin\u00f2 all&#039;impianto di diffusione sonora e pronunci\u00f2 un messaggio che \u00e8 diventato leggendario per la sua sobria eleganza tipicamente britannica.<\/p>\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>\u201cSignore e signori, qui parla il vostro comandante. Abbiamo un piccolo problema. Tutti e quattro i motori si sono spenti. Stiamo facendo del nostro meglio per riportare la situazione sotto controllo. Spero che non siate troppo preoccupati.\u201d<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Capitano Eric Moody<\/strong> \u2014 Volo British Airways 9, tramite il sistema di annunci<\/div><\/div><\/div>\n\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/_BD6mGGxaKk\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\n<p style=\"font-size:13px;color:#777;font-style:italic;text-align:center;margin-top:-8px\">La storia dell&#039;aliante Galunggung.<\/p><h2 style=\"padding-top:22px\">Sedici minuti di silenzio<\/h2><p>Senza motori, il 747 poteva planare per circa 15 chilometri per ogni chilometro di quota perso. Questo poneva all&#039;equipaggio un problema crudelmente semplice: riavviare i motori prima di esaurire l&#039;altitudine, oppure ammarare nell&#039;oceano di notte. Ripetevano le manovre di riaccensione pi\u00f9 e pi\u00f9 volte mentre il jet affondava nell&#039;oscurit\u00e0.<\/p>\n<div style=\"background:#f8f9fa;border-left:4px solid #5C91FF;padding:20px 22px;margin:18px 0 24px;border-radius:0 8px 8px 0;font-size:16px;line-height:1.7;display:flex;gap:20px;align-items:flex-start\"><div><em>\u201c&quot;Siamo scesi da 37.000 piedi a 12.000 piedi prima di riuscire a farli ripartire.&quot;\u201d<\/em><div style=\"margin-top:10px;font-size:14px;color:#555\"><strong>Capitano Eric Moody<\/strong> \u2014 Ricordando la discesa<\/div><\/div><\/div>\n<p>Il motivo per cui ha funzionato \u00e8 lo stesso per cui ha fallito. Nei motori, la cenere si era fusa trasformandosi in vetro e ricoprendo l&#039;interno. Mentre i motori spenti si raffreddavano durante la lunga planata, quel vetro si \u00e8 incrinato e sfaldato, e una volta che l&#039;aereo \u00e8 sceso al di sotto della nube di cenere, i motori hanno potuto respirare di nuovo. Uno dopo l&#039;altro, sono tornati a rombare.<\/p>\n<figure class=\"wp-block-image size-large\" style=\"margin:0 0 24px;width:100%\"><img data-opt-id=465306851  fetchpriority=\"high\" decoding=\"async\" class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" width=\"1024\" src=\"https:\/\/upload.wikimedia.org\/wikipedia\/commons\/thumb\/f\/fe\/Uprising-mount_galunggung_crater.jpg\/1280px-Uprising-mount_galunggung_crater.jpg\" alt=\"Il cratere del monte Galunggung\" style=\"width:100%;height:auto;max-width:100%;display:block;border-radius:6px\"><figcaption style=\"font-size:13px;color:#777;text-align:center;margin-top:6px;font-style:italic\">Monte Galunggung. L&#039;eruzione ha portato direttamente all&#039;attivazione della rete globale dei Centri di consulenza sulle ceneri vulcaniche. Foto: Wikimedia Commons<\/figcaption><\/figure>\n<h2 style=\"padding-top:22px\">Atterraggio cieco<\/h2><p>L&#039;incubo non era ancora finito. La cenere aveva reso il parabrezza quasi opaco e un motore inizi\u00f2 a vibrare cos\u00ec forte da dover essere spento di nuovo. Moody fece atterrare il 747 a Giacarta con tre motori, scrutando la pista attraverso una stretta striscia di vetro pi\u00f9 trasparente ai bordi del parabrezza. Tutte le 263 persone a bordo uscirono illese dall&#039;aereo.<\/p><p>L&#039;incidente ha cambiato il mondo dell&#039;aviazione. Le ceneri vulcaniche, un tempo un pericolo pressoch\u00e9 sconosciuto, sono diventate una minaccia globale monitorata, con una rete di Centri di Consulenza sulle Ceneri Vulcaniche che ora tracciano le eruzioni in tempo reale, in modo che nessun aereo di linea possa pi\u00f9 volare alla cieca in una nube come quella di Galunggung. E l&#039;annuncio di Eric Moody rimane il modello di riferimento per la calma sotto pressione: la prova che in una situazione di crisi, la voce pi\u00f9 calma a bordo dell&#039;aereo \u00e8 spesso il suono pi\u00f9 rassicurante del mondo.<\/p>\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/eDB0IdrUCww\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\n<p style=\"font-size:13px;color:#777;font-style:italic;text-align:center;margin-top:-8px\">Documentario: la notte in cui il volo 9 perse tutti e quattro i motori.<\/p>\n<div style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;margin:24px 0\"><iframe class=\"skip-lazy\" data-no-lazy=\"1\" loading=\"eager\" src=\"https:\/\/www.youtube.com\/embed\/J8yS69zm1Es\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;border-radius:8px\" allowfullscreen><\/iframe><\/div>\n<p style=\"font-size:13px;color:#777;font-style:italic;text-align:center;margin-top:-8px\">All&#039;interno della lotta dell&#039;equipaggio per riavviare i motori.<\/p><p style=\"font-style:italic;font-size:14px;color:#555\">Fonti: rapporti ufficiali sugli incidenti; Flight Safety Australia; Simple Flying; interviste con il Capitano Eric Moody.<\/p>\n<div style=\"background:#f0f4ff;border-left:4px solid #5C91FF;padding:16px 20px;margin:32px 0 8px;border-radius:0 8px 8px 0\"><p style=\"margin:0 0 8px;font-weight:600;color:#333\">Post correlati<\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/united-232-the-dc-10-that-landed-with-no-hydraulics\/\">United 232: il DC-10 atterrato senza sistema idraulico<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/tcas-explained-the-machine-that-overrules-the-pilot\/\">La macchina che scavalca il pilota<\/a><\/p><p style=\"margin:4px 0\"><a href=\"https:\/\/migflug.com\/jetflights\/virgin-atlantic-vs135-a350-orlando-turnback-heathrow-2026\/\">Il volo da Orlando che non \u00e8 mai arrivato<\/a><\/p><\/div>","protected":false},"excerpt":{"rendered":"<p>It was a calm, clear night over the Indian Ocean on 24 June 1982 when the passengers of British Airways Flight 9 noticed something strange: a glow along the wings, and puffs of smoke curling into the cabin that smelled of sulphur. Up front, the crew watched St Elmo&rsquo;s fire dance across the windscreen. Then, [&hellip;]<\/p>\n","protected":false},"author":27,"featured_media":5890405,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"editor_notices":[],"footnotes":""},"categories":[665,666],"tags":[],"class_list":["post-5890394","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-aviation-world","category-history-and-legends"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>BA Flight 9: The 747 That Lost All 4 Engines<\/title>\n<meta name=\"description\" content=\"In 1982 British Airways Flight 9 flew into volcanic ash and lost all four engines at 37,000 ft. 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