{"id":3412,"date":"2020-05-02T16:36:08","date_gmt":"2020-05-02T08:36:08","guid":{"rendered":"http:\/\/caucanimax.com\/blog\/?p=3412"},"modified":"2020-07-10T17:46:49","modified_gmt":"2020-07-10T09:46:49","slug":"a350-afs-efis-cp-fault-and-rnp-ar-downgrade-trigger-condition-disagree","status":"publish","type":"post","link":"https:\/\/caucanimax.com\/blog\/a350-afs-efis-cp-fault-and-rnp-ar-downgrade-trigger-condition-disagree\/","title":{"rendered":"A350 AFS\/EFIS CP \u6545\u969c\u4e0e RNP AR \u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4"},"content":{"rendered":"<p>A350 \u7684 FCU \u5305\u62ec\u4e24\u90e8\u5206, AFS(Auto Flight System) \u63a7\u5236\u9762\u677f\uff0c\u548c EFIS \u63a7\u5236\u9762\u677f\u3002<\/p>\n<p><a href=\"http:\/\/caucanimax.com\/blog\/a350-afs-efis-cp-fault-and-rnp-ar-downgrade-trigger-condition-disagree\/a350-efis-%e6%8e%a7%e5%88%b6%e9%9d%a2%e6%9d%bf%e6%95%85%e9%9a%9c%e4%b8%8e-rnp-ar-%e9%99%8d%e7%ba%a7%e6%9d%a1%e4%bb%b6%e4%b8%8d%e4%b8%80%e8%87%b4_01\/\" rel=\"attachment wp-att-3415\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3415\" src=\"http:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_01.png\" alt=\"\" width=\"1028\" height=\"238\" srcset=\"https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_01.png 1028w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_01-300x69.png 300w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_01-1024x237.png 1024w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_01-768x178.png 768w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_01-150x35.png 150w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_01-400x93.png 400w\" sizes=\"auto, (max-width: 1028px) 100vw, 1028px\" \/><\/a><\/p>\n<p>\u5728\u4e0d\u6b63\u5e38\u7a0b\u5e8f\u4e2d\u8fd9\u4e24\u4e2a\u9762\u677f\u7684\u6545\u969c\u4e00\u5171\u67095\u79cd\uff0c\u57fa\u672c\u90fd\u4f1a\u5f71\u54cd RNP AR \u80fd\u529b\uff1a<\/p>\n<ol>\n<li><span style=\"text-decoration: underline;\">AUTO FLT<\/span> AFS CTL PNL FAULT<\/li>\n<li><span style=\"text-decoration: underline;\">AUTO FLT<\/span> AFS CTL PNL+CAPT(F\/O) BKUP CTL FAULT<\/li>\n<li><span style=\"text-decoration: underline;\">CDS<\/span> CAPT + F\/O EFIS CTL PNLs FAULT<\/li>\n<li><span style=\"text-decoration: underline;\">CDS<\/span> CAPT(F\/O) EFIS CTL PNL + BKUP CTL FAULT<\/li>\n<li><span style=\"text-decoration: underline;\">CDS<\/span> CAPT(F\/O) EFIS CTL PNL FAULT<\/li>\n<\/ol>\n<p><!--more--><\/p>\n<p>\u540c\u65f6\u5728 <span style=\"text-decoration: underline;\">FCOM PRO-SPO-PBN K RNP AR \/ RNAV(RNP) &#8211; REQUIRED RNP AR EQUIPMENT<\/span> \u90e8\u5206\u4e5f\u63d0\u5230\u4e86 RNP AR \u80fd\u529b\u7684\u6240\u9700\u8bbe\u5907\uff1a<\/p>\n<p><a href=\"http:\/\/caucanimax.com\/blog\/a350-afs-efis-cp-fault-and-rnp-ar-downgrade-trigger-condition-disagree\/a350-efis-%e6%8e%a7%e5%88%b6%e9%9d%a2%e6%9d%bf%e6%95%85%e9%9a%9c%e4%b8%8e-rnp-ar-%e9%99%8d%e7%ba%a7%e6%9d%a1%e4%bb%b6%e4%b8%8d%e4%b8%80%e8%87%b4_02\/\" rel=\"attachment wp-att-3416\"><img loading=\"lazy\" decoding=\"async\" class=\"alignnone size-full wp-image-3416\" src=\"http:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_02.png\" alt=\"\" width=\"683\" height=\"300\" srcset=\"https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_02.png 683w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_02-300x132.png 300w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_02-150x66.png 150w, https:\/\/caucanimax.com\/blog\/wordpress\/wp-content\/uploads\/2020\/05\/A350-EFIS-\u63a7\u5236\u9762\u677f\u6545\u969c\u4e0e-RNP-AR-\u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4_02-400x176.png 400w\" sizes=\"auto, (max-width: 683px) 100vw, 683px\" \/><\/a><\/p>\n<p>\u4f46\u662f\uff0c\u4e0d\u6b63\u5e38\u7a0b\u5e8f\u548c\u4e0a\u8ff0\u8868\u683c\u4e2d\u7684\u63cf\u8ff0\u5e76\u4e0d\u4e00\u81f4\uff0cEFIS CP \u90e8\u5206\u751a\u81f3\u5b8c\u5168\u76f8\u53cd\uff1a<\/p>\n<p>\u5bf9\u6b64\uff0c\u7a7a\u5ba2\u7684\u56de\u590d\u5982\u4e0b\uff1a\uff08\u7ea2\u8272\u90e8\u5206\u662f\u4e2a\u4eba\u6807\u6ce8\u7684\u91cd\u70b9\uff09<\/p>\n<p>After investigation we would like to clarify that the RNP AR degradation subtitles and information lines is <span style=\"color: #ff0000;\">not as a result<\/span> of the panel failure but because of a <span style=\"color: #ff0000;\">different root cause<\/span>. For instance, the ECAM alert CDS CAPT(F\/O) EFIS CTL PNL FAULT can be triggered because of <span style=\"color: #ff0000;\">several reasons<\/span>, but it is only when the root cause is the <span style=\"color: #ff0000;\">loss of corresponding FCU channel<\/span> that the PRIM downgrades the RNP AR capability. The Flight Warning System (FWS) activates the RNP AR downgrade information lines only upon the PRIM signal. Airbus understands that the condition to display the RNP AR downgrade information in the FCOM ECAM procedure is <span style=\"color: #ff0000;\">not clear. We are currently in discussion on how to improve this.<\/span><\/p>\n<p>For CDS CAPT+F\/O EFIS CTL PNLs FAULT, Airbus confirms that with this alert the RNP AR capability is <span style=\"color: #ff0000;\">also downgraded to 0.3NM<\/span>. However, the RNP AR impacts are not included in this alert (neither subtitle nor procedure line) as AUTO FLT AFS CTL PNL FAULT will also be triggered in case of <span style=\"color: #ff0000;\">double FCUs failure<\/span>. It has been judged <span style=\"color: #ff0000;\">more relevant<\/span> to include RNP impacts in the AUTO FLT AFS CTL PNL FAULT alert.<\/p>\n<p>AFS \u548c EFIS \u63a7\u5236\u9762\u677f\u6545\u969c\u539f\u56e0\u4e0d\u6b62\u4e00\u79cd\uff0c\u4f46\u53ea\u6709 FCU \u901a\u9053\u5931\u6548\u4f1a\u5bfc\u81f4 PRIM \u964d\u7ea7 RNP AR \u80fd\u529b\u3002\u800c\u5728\u4e0a\u8ff05\u79cd\u4e0d\u6b63\u5e38\u7a0b\u5e8f\u4e2d\uff0c\u7a7a\u5ba2\u5e76\u6ca1\u6709\u7ec6\u5316\u5230\u63cf\u8ff0\u6bcf\u4e00\u79cd\u539f\u56e0\u7684\u5f71\u54cd\uff0c\u6240\u4ee5\u5e76\u4e0d\u51c6\u786e\uff0c\u8fd9\u4e00\u70b9\u5728\u540e\u7eed\u4f1a\u6539\u8fdb\u3002<\/p>\n<p>\u5bf9\u4e8e\u8fd9\u51e0\u79cd\u60c5\u51b5\uff0c\u98ce\u9669\u6700\u5927\u7684\u662f CDS CAPT + F\/O EFIS CTL PNLs FAULT\uff0c\u56e0\u4e3a\u5982\u679c\u8868\u683c\u662f\u6b63\u786e\u7684\uff0c\u5df2\u7ecf\u964d\u7ea7\u4e3a 0.3 NM\u4e86\uff0c\u4f46\u662f\u7a0b\u5e8f\u663e\u793a\u4ecd\u7136\u4fdd\u6301 0.1 NM\uff0c\u5c31\u4f1a\u5bfc\u81f4\u673a\u7ec4\u5728\u7cbe\u5ea6\u4e0d\u591f\u7684\u60c5\u51b5\u4e0b\u6267\u884c RNP AR\u3002\u4f46\u7a7a\u5ba2\u89e3\u91ca\u8bf4\uff0c\u5982\u679c\u662f\u7531\u4e8e FCU \u53cc\u901a\u9053\u6545\u969c\uff0c\u4e5f\u4f1a\u540c\u65f6\u89e6\u53d1 AUTO FLT AFS CTL PNL FAULT\uff0c\u800c\u8fd9\u4e2a\u7a0b\u5e8f\u4f1a\u663e\u793a\u964d\u7ea7\u4e3a 0.3 NM\uff0c\u6240\u4ee5\u6d88\u9664\u4e86\u4e0a\u8ff0\u53ef\u80fd\u7684\u98ce\u9669\u3002\u7531\u4e8e\u516c\u53f8 A350 \u5e76\u6ca1\u6709\u6d89\u53ca RNP AR \u8fd0\u884c\uff0c\u5177\u4f53\u7ec6\u8282\u5c1a\u672a\u5728\u6a21\u62df\u673a\u548c\u5b9e\u9645\u822a\u73ed\u4e2d\u8fdb\u884c\u9a8c\u8bc1\u3002<\/p>\n<p>\u603b\u7684\u6765\u8bf4\uff0c\u7531\u4e8e A350 \u8ba1\u7b97\u673a\u590d\u6742\u7a0b\u5e8f\u8fdc\u8fdc\u8d85\u8fc7\u4ee5\u5f80\u673a\u578b\uff0c\u5728\u4e00\u4e9b\u6d89\u53ca\u5230\u5b89\u5168\u7684\u7ec6\u8282\u4e0a\uff0c\u5982\u679c\u7a7a\u5ba2\u8fd8\u6ca1\u6709\u63d0\u4f9b\u660e\u786e\u7684\u4fe1\u606f\uff0c\u673a\u7ec4\u8fd8\u662f\u9700\u8981\u5c3d\u91cf\u5229\u7528\u5df2\u6709\u8d44\u6599\uff0c\u7efc\u5408\u5224\u65ad\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>A350 \u7684 FCU \u5305\u62ec\u4e24\u90e8\u5206, AFS(Auto Flight System) \u63a7\u5236\u9762\u677f\uff0c\u548c EFIS \u63a7 &#8230; <a title=\"A350 AFS\/EFIS CP \u6545\u969c\u4e0e RNP AR \u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4\" class=\"read-more\" href=\"https:\/\/caucanimax.com\/blog\/a350-afs-efis-cp-fault-and-rnp-ar-downgrade-trigger-condition-disagree\/\" aria-label=\"\u9605\u8bfb A350 AFS\/EFIS CP \u6545\u969c\u4e0e RNP AR \u964d\u7ea7\u6761\u4ef6\u4e0d\u4e00\u81f4\">\u9605\u8bfb\u66f4\u591a<\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[113],"tags":[116],"ppma_author":[5],"class_list":["post-3412","post","type-post","status-publish","format-standard","hentry","category-fly","tag-a350"],"authors":[{"term_id":5,"user_id":2,"is_guest":0,"slug":"yaoguai","display_name":"\u5996\u602a","avatar_url":"https:\/\/secure.gravatar.com\/avatar\/dfe71d09a1a83f49a02a4400c69ef2c361c2d967eae2ffeeb6318b73a0da763f?s=96&r=g","0":null,"1":"","2":"","3":"","4":"","5":"","6":"","7":"","8":""}],"_links":{"self":[{"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/posts\/3412","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/comments?post=3412"}],"version-history":[{"count":5,"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/posts\/3412\/revisions"}],"predecessor-version":[{"id":3423,"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/posts\/3412\/revisions\/3423"}],"wp:attachment":[{"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/media?parent=3412"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/categories?post=3412"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/tags?post=3412"},{"taxonomy":"author","embeddable":true,"href":"https:\/\/caucanimax.com\/blog\/wp-json\/wp\/v2\/ppma_author?post=3412"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}