{"id":771,"date":"2019-02-03T12:42:10","date_gmt":"2019-02-03T12:42:10","guid":{"rendered":"https:\/\/fieldhouse-yacht-surveys.com\/?p=771"},"modified":"2026-10-30T17:25:55","modified_gmt":"2026-10-30T17:25:55","slug":"yacht-damage-survey-flooding","status":"publish","type":"post","link":"https:\/\/localtakeaway.co.uk\/?p=771","title":{"rendered":"Flooded Yacht: Damage Survey"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">I was recently asked to undertake a Damage Survey of a flooded yacht. My instruction from the Insurance Company was to inspect and assess the nature, extent and cause of the damage to the vessel.<\/p>\n\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<iframe loading=\"lazy\" title=\"Detection of water leak in yacht\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/qpHb_3EX6_g?feature=oembed\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe>\n<\/div><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">Water had entered the vessel over a period of time, leaving the boat low in the water and the engine partially submerged.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-default is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\">\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"540\" height=\"780\" data-id=\"233\" src=\"https:\/\/localtakeaway.co.uk\/wp-content\/uploads\/2026\/10\/images_WINDERMERE.004.jpeg\" alt=\"\" class=\"wp-image-233\" style=\"aspect-ratio:1.3451776649746192;object-fit:cover;width:645px;height:auto\" srcset=\"https:\/\/localtakeaway.co.uk\/wp-content\/uploads\/2026\/10\/images_WINDERMERE.004.jpeg 540w, https:\/\/localtakeaway.co.uk\/wp-content\/uploads\/2026\/10\/images_WINDERMERE.004-208x300.jpeg 208w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/figure>\n\n\n\n<figure class=\"wp-block-image aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"540\" height=\"780\" data-id=\"234\" src=\"https:\/\/localtakeaway.co.uk\/wp-content\/uploads\/2026\/10\/images_WINDERMERE.005.jpeg\" alt=\"\" class=\"wp-image-234\" style=\"aspect-ratio:1.3333333333333333;object-fit:cover;width:645px;height:auto\" srcset=\"https:\/\/localtakeaway.co.uk\/wp-content\/uploads\/2026\/10\/images_WINDERMERE.005.jpeg 540w, https:\/\/localtakeaway.co.uk\/wp-content\/uploads\/2026\/10\/images_WINDERMERE.005-208x300.jpeg 208w\" sizes=\"auto, (max-width: 540px) 100vw, 540px\" \/><\/figure>\n<\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">She was inspected out of the water at East Cowes, Isle of Wight. In my search for the cause of the leak and working my way from bow to stern, I found water and muddy residue around the upper bearing &amp; seal of the rudder assembly. This provided good evidence that water had leaked into the vessel from the top of the bearing assembly. At this stage of the inspection, I could have packed up, gone back to my office and simply reported that the rudder bearing &amp; seal assembly was the most likely origin of the leak. This conclusion would have been unsatisfactory as it would have required the re-floating of the vessel in order to test &amp; confirm that the rudder bearing &amp; seal assembly was leaking. This task would have involved significant additional costs, which would have to be borne by the Insurance Company or the Insured.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><span style=\"text-align: justify;\">In order to confirm that water had leaked around the seal of the rudder bearing, I built a dam around the bearing assembly, which was then fed with water from a hose. I then went outside to check for water. The YouTube video shows the test.<\/span><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The result of this test confirmed that the faulty or worn water seal of the rudder bearing was the proximate cause of the water ingress. The head of pressure on the bearing seal from this water test was approximately 2 to 5 cm, which was considered to be very low. The rate of water leaking was estimated to be at least 3 to 4 drops per second. When the vessel was originally afloat, the pressure head would have been approximately 20 cm, which would have created a flooding rate that would have been approximately 4 to 10 times greater than the leakage rate seen during this test, although this rate would have been reduced due to the accumulation of mud inside the rudder bearing &amp; seal assembly.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">If you have any questions regarding this Damage Survey, please leave a comment or <a href=\"https:\/\/localtakeaway.co.uk\/contact-us\/\">contact us<\/a> via our website.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>This test was performed in order to confirm that the poor sealing of the rudder bearing had caused the partial sinking of this yacht<\/p>\n","protected":false},"author":1,"featured_media":233,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"video","meta":{"footnotes":""},"categories":[7],"tags":[26,28,29],"class_list":["post-771","post","type-post","status-publish","format-video","has-post-thumbnail","hentry","category-yacht-surveys","tag-damage-survey","tag-yacht-insurance","tag-yacht-survey","post_format-post-format-video"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Flooded Yacht: Damage Survey -<\/title>\n<meta name=\"description\" content=\"flooded yacht due to poor sealing of rudder bearing assembly. 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