{"id":14472,"date":"2025-06-07T16:16:45","date_gmt":"2025-06-07T10:46:45","guid":{"rendered":"https:\/\/ibexaviation.com\/pilot-training\/?p=14472"},"modified":"2025-06-09T19:26:42","modified_gmt":"2025-06-09T13:56:42","slug":"air-data-computer","status":"publish","type":"post","link":"https:\/\/ibexaviation.com\/pilot-training\/air-data-computer\/","title":{"rendered":"Air Data Computer (ADC)"},"content":{"rendered":"\n<h2>Air Data Computer<\/h2>\n\n\n\n<h3>Requirement of Air Data Computer<\/h3>\n\n\n\n<ul><li>Avoid multiple Pitot and Static lines<\/li><li>Provide centralized source of static and pitot pressure<\/li><li>Convert pressure data in an electric or electronic format<\/li><\/ul>\n\n\n\n<h3>Advantage of Air Data Computer<\/h3>\n\n\n\n<ul><li>Provide pressure data to other equipments<\/li><li>Flight data recorder<\/li><li>Navigation computer<\/li><li>Auto Pilot<\/li><\/ul>\n\n\n\n<h3>Equipments dependent on Air Data Computer<\/h3>\n\n\n\n<ul><li>ADC provides pressure data to<\/li><li>Flight Data Recorder<\/li><li>Electronic Flight Information System<\/li><li>Warning Systems<\/li><li>ATC Transponder<\/li><li>Inertial Reference System<\/li><li>Flight Control Computer<\/li><li>Flight Management System<\/li><\/ul>\n\n\n\n<h3>Analogue ADC<\/h3>\n\n\n\n<ul><li>Analogue ADC<\/li><li>E-I bar to convert pressure data to electrical inputs<\/li><li>Pressure information is transmitted through Pressure Transducer<\/li><\/ul>\n\n\n\n<h3>Digital ADC<\/h3>\n\n\n\n<ul><li>Digital ADC<\/li><li>Analogue to digital interface units<\/li><li>Pressure information is transmitted through Digital Bus Bar<\/li><\/ul>\n\n\n\n<h3>Configuration Module<\/h3>\n\n\n\n<ul><li>Configuration module corrects for position error<\/li><li>Built in test equipment called BITE test<\/li><li>Power up Check Up on start up<\/li><li>Continuous Monitoring every one second<\/li><li>Maintenance Tests during servicing or post-mortem<\/li><\/ul>\n\n\n\n<h3>System Redundancy<\/h3>\n\n\n\n<ul><li>Redundancy to cater for blockage or leaks<\/li><li>Electrical change over to use alternate static source<\/li><li>Captain\u00e2\u20ac\u2122s pressure sensors can provide data to Co-pilot&#8217;s equipments<\/li><\/ul>\n\n\n\n<h3>Failure Warning in ADC<\/h3>\n\n\n\n<ul><li>Failure warning by Comparison monitor<\/li><li>Warning Flag in case of loss of valid data or internal failure<\/li><li>Comparison of outputs of Left and Right ADC components<\/li><li>Light on the Instrument warning panel<\/li><\/ul>\n\n\n\n<h3>Advantages of Air Data Computer<\/h3>\n\n\n\n<ul><li>Advantages of ADC over conventional Pitot Static system<\/li><li>Improved Displays like digital, moving tape and combined displays<\/li><li>Reduced Instrument and Lag Errors using servo motors.<\/li><li>Error Correction by comparison of multiple inputs<\/li><li>Height and airspeed channel for additional equipments<\/li><li>Central pressure data Source for Other Systems<\/li><li>Clean Design and Better Maintenance<\/li><\/ul>\n\n\n\n<h3>Inputs \u00e2\u20ac\u201c Outputs of ADC<\/h3>\n\n\n\n<ul><li>Inputs<\/li><li>Pitot pressure<\/li><li>Static pressure<\/li><li>Total air temperature<\/li><li>Angle of attack<\/li><li>Weight on wheels switch<\/li><li>Main power source<\/li><li>Backup power source<\/li><li>Outputs<\/li><li>Altitude<\/li><li>Vertical speed<\/li><li>IAS or CAS<\/li><li>SAT<\/li><li>TAS<\/li><li>Mach number<\/li><li>Angle of attack<\/li><\/ul>\n\n\n\n<h2>Share this Page<\/h2>\n","protected":false},"excerpt":{"rendered":"<p>Air Data Computer Requirement of Air Data Computer Avoid multiple Pitot and Static lines Provide centralized source of static and pitot pressure Convert pressure data in an electric or electronic format Advantage of Air Data Computer Provide pressure data to other equipments Flight data recorder Navigation computer Auto Pilot Equipments dependent on Air Data Computer ADC provides pressure data to Flight Data Recorder Electronic Flight Information System Warning Systems ATC Transponder Inertial Reference System Flight Control Computer Flight Management System Analogue ADC Analogue ADC E-I bar to convert pressure data&hellip;<\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"disable_featured_image":false},"categories":[345],"tags":[],"_links":{"self":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/posts\/14472"}],"collection":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/comments?post=14472"}],"version-history":[{"count":0,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/posts\/14472\/revisions"}],"wp:attachment":[{"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/media?parent=14472"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/categories?post=14472"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/ibexaviation.com\/pilot-training\/wp-json\/wp\/v2\/tags?post=14472"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}