{"id":324,"date":"2020-02-19T02:00:58","date_gmt":"2020-02-19T07:00:58","guid":{"rendered":"https:\/\/www.phmsciences.com\/blog\/?p=324"},"modified":"2020-02-21T00:03:10","modified_gmt":"2020-02-21T05:03:10","slug":"factors-in-aircraft-accidents","status":"publish","type":"post","link":"https:\/\/www.phmsciences.com\/blog\/factors-in-aircraft-accidents\/","title":{"rendered":"Factors in Aircraft Accidents"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">Just some lists of things that increase the probability of an aircraft accident.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Experts have probably calculated exact risk ratios for these different, well-established factors:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Improper maintenance<ul><li>Extension of maintenance intervals beyond manufacturer recommendations<\/li><li>Opting to defer replacement of noticeably worn parts<\/li><li>Not following manufacturer repair instructions<\/li><li>Part substitution (using parts that differ slightly from official specifications)<\/li><\/ul><\/li><li>Bad weather (ice, convective storms)<\/li><li>Limited visibility (night, fog)<\/li><li>Human error<ul><li>Assuming increased risk due to desire to be at destination<\/li><\/ul><ul><li>Improper use of checklists (checking items before they are performed)<\/li><li>Skipping &#8220;rote&#8221; checks and safeguards because they rarely reveal issues<\/li><\/ul><ul><li>Changing plans mid-flight (increases cognitive burden while plane is in motion)<\/li><li>Miscommunication (language barrier, being overly deferential to captain or traffic control)<\/li><\/ul><\/li><li>Lax safety culture<ul><li>Inadequate classroom instruction<\/li><li>Skipping of double-checking (when warranted) by second individual or supervisor<\/li><\/ul><\/li><li>Airport infrastructure issues<ul><li>Inadequate regulation of construction<\/li><li>Inadequate de-icing<\/li><\/ul><\/li><li>Computers<ul><li>Burdensome number of (or contradictory) errors reported to pilots<\/li><li>Too many sensor malfunctions (distrust of computer-reported errors)<\/li><\/ul><\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">If I had to add to this list with a few guesses of my own, I&#8217;d add that these are likely factors:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Fatigue<\/li><li>Regulatory capture of governmental regulatory bodies by operators (e.g., easy approval of maintenance interval extensions, too-friendly relationships)<\/li><li>Social and career consequences of whistle-blowing<\/li><li>Corporate cultures that reward metrics that are at-odds with safety (operators, airports, airplane manufacturers, etc.)<\/li><\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">And there are some hypothetical, debated factors as well:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>Complexity<\/li><li><\/li><\/ul>\n","protected":false},"excerpt":{"rendered":"<p>Just some lists of things that increase the probability of an aircraft accident. Experts have probably calculated exact risk ratios for these different, well-established factors: Improper maintenance Extension of maintenance intervals beyond manufacturer recommendations Opting to defer replacement of noticeably worn parts Not following manufacturer repair instructions Part substitution (using parts that differ slightly from [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[34],"tags":[],"class_list":["post-324","post","type-post","status-publish","format-standard","hentry","category-accidents"],"_links":{"self":[{"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/posts\/324","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/comments?post=324"}],"version-history":[{"count":24,"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/posts\/324\/revisions"}],"predecessor-version":[{"id":348,"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/posts\/324\/revisions\/348"}],"wp:attachment":[{"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/media?parent=324"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/categories?post=324"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.phmsciences.com\/blog\/wp-json\/wp\/v2\/tags?post=324"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}