{"id":307602,"date":"2025-11-21T02:29:44","date_gmt":"2025-11-21T02:29:44","guid":{"rendered":"https:\/\/peraltafinancing.com\/airline\/report-747s-engine-advanced-to-full-throttle-in-fatal-hong-kong-runway-excursion\/"},"modified":"2025-11-21T02:29:44","modified_gmt":"2025-11-21T02:29:44","slug":"report-747s-engine-advanced-to-full-throttle-in-fatal-hong-kong-runway-excursion","status":"publish","type":"post","link":"https:\/\/fivemor.com\/?p=307602","title":{"rendered":"Report: 747\u2019s engine advanced to full throttle in fatal Hong Kong runway excursion"},"content":{"rendered":"


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The Hong Kong Air Accident Investigation Authority (AAIA) has released its preliminary report on the airACT 747 freighter that veered off the runway on 20 October, striking a security vehicle and pushing it into the sea, killing both occupants.\u00a0<\/p>\n

The 747 also went through the airport perimeter fence into the sea. The aircraft\u2019s crew of four were able to safely evacuate, while the aircraft was damaged beyond repair.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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As with all preliminary accident investigation reports, the AAIB only provides factual information. The final report, usually available approximately 12 months after an accident, will detail what investigators believe to be the probable cause.<\/em><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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\n\t\t\t\t\t\t\t\t\tRead the preliminary report<\/span>
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Notable findings<\/h2>\n<\/p><\/div>\n<\/p><\/div>\n
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The preliminary report notes that the aircraft was dispatched per the Minimum equipment list with Engine number 4 thrust reverse inoperative. The first officer was the pilot flying, the captain was the pilot monitoring.<\/p>\n

Upon landing the speed brake lever was extended \u201cwith the appropriate crew call.\u201d Reverse thrust was deployed on engines 2 & 3 at approximately 95% of N1. Engine 1 was selected to idle reverse.<\/p>\n

The crew received an AUTOBRAKES message on the Engine-indicating and crew-alerting system (EICAS) screen (exact time is not noted in the report), and the autobrake was disarmed, with the crew calling \u201cmanual braking.\u201d The captain took control of the aircraft at this time.<\/span><\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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Click to enlarge<\/figcaption><\/figure>\n<\/p><\/div>\n<\/p><\/div>\n
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The time stamps in the image above are taken from the preliminary report based on the aircraft\u2019s Flight Data Recorder. We have collated those times to the ADS-B data sent from the aircraft\u2019s transponder to provide a visual reference.<\/p>\n

At 19:52:30 UTC (03:52:30 local time), Engine number 4 \u201caccelerated to 90% N1 forward thrust.\u201d The selected thrust reversers (ENG 2 & 3) were stowed at 19:52:35.<\/p>\n

Engine number 4 continued to accelerate, achieving 106% of N1 at 19:52:36 and reaching 107% of N1 by 19:52:42.<\/p>\n

Reverse thrust was applied on Engine number 2 at 19:52:41. Thrust reversers on Engines 1 & 3 were also deployed, but no specific time is noted on the deployment of these in the report.<\/p>\n<\/p><\/div>\n<\/p><\/div>\n

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Investigative next steps<\/h2>\n<\/p><\/div>\n<\/p><\/div>\n
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The AAIA says it will continue collecting data with particular focus on aircraft systems and performance, maintenance records, flight crew qualifications and experience, human factors, and Safety Management Systems.<\/p>\n

Specifically, investigators note a focus on \u201ctechnical issues related to aircraft systems and performance, including the aircraft\u2019s speed, system status and operational control at the time of the accident, as well as conditions and performance of the aircraft engines, the forward movement of the Number 4 engine thrust lever, the landing gears and the associated brake systems, etc.\u201d<\/p>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/p><\/div>\n<\/section><\/div>\n

The post Report: 747\u2019s engine advanced to full throttle in fatal Hong Kong runway excursion<\/a> appeared first on Flightradar24 Blog<\/a>.<\/p>\n\n","protected":false},"excerpt":{"rendered":"

The Hong Kong Air Accident Investigation Authority (AAIA) has released its preliminary report on the airACT 747 freighter that veered off the runway on 20 October, striking a security vehicle and pushing it into the sea, killing both occupants.\u00a0 The 747 also went through the airport perimeter fence into the sea. The aircraft\u2019s crew of […]<\/p>\n","protected":false},"author":1,"featured_media":307603,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[12028],"tags":[138231,138229,2278,21739,2003,19394,247,138230,3471,3472,10930,1847,4444],"dealstore":[],"offerexpiration":[],"class_list":["post-307602","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-airline","tag-747s","tag-9t-run","tag-advanced","tag-engine","tag-excursion","tag-fatal","tag-full","tag-hkg","tag-hong","tag-kong","tag-report","tag-runway","tag-throttle"],"yoast_head":"\nReport: 747\u2019s engine advanced to full throttle in fatal Hong Kong runway excursion - Som2ny Network<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/fivemor.com\/?p=307602\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Report: 747\u2019s engine advanced to full throttle in fatal Hong Kong runway excursion - Som2ny Network\" \/>\n<meta property=\"og:description\" content=\"The Hong Kong Air Accident Investigation Authority (AAIA) has released its preliminary report on the airACT 747 freighter that veered off the runway on 20 October, striking a security vehicle and pushing it into the sea, killing both occupants.\u00a0 The 747 also went through the airport perimeter fence into the sea. 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