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Editorial and format updates were made across the manual when necessary; items deemed insignificant were excluded from this explanation. Key revisions cover removal of fireball reporting procedures, changes to phraseology for runway determination, additions for flight validation notes, updates to visual approach clearance and missed approach procedures, temperature correction and remote altimeter setting guidance, expanded circling information, and deletion of the Northern Control Area (NCA) track system subsection.",{"@graph":69,"@context":123},[70,84,106],{"@type":71,"itemListElement":72},"BreadcrumbList",[73,77,79,82],{"item":74,"name":75,"@type":76,"position":8},"https://docshare.wps.com","Home","ListItem",{"item":78,"name":9,"@type":76,"position":14},"https://docshare.wps.com/document/",{"item":80,"name":40,"@type":76,"position":81},"https://docshare.wps.com/document/research-report/",3,{"item":83,"name":65,"@type":76,"position":19},"https://docshare.wps.com/document/transport-canada-aeronautical-information-manual-tc-aim-racrules-of-the-air-and-air-traffic-services-explanation-of-changes-effective-march-26-2020/296208/",{"url":83,"name":65,"@type":85,"image":86,"author":91,"headline":65,"publisher":94,"fileFormat":97,"inLanguage":63,"description":67,"dateModified":98,"datePublished":99,"encodingFormat":97,"isAccessibleForFree":100,"interactionStatistic":101},"DigitalDocument",{"url":87,"@type":88,"width":89,"height":90},"https://docshare.wps.com/thumbnails/transport-canada-aeronautical-information-manual-tc-aim-racrules-of-the-air-and-air-traffic-services-explanation-of-changes-effective-march-26-2020/296208.png","ImageObject",300,407,{"name":92,"@type":93},"Grenda","Person",{"url":74,"name":95,"@type":96},"DocShare","Organization","application/pdf","2026-11-09","2026-09-18",true,{"@type":102,"interactionType":103,"userInteractionCount":105},"InteractionCounter",{"@type":104},"ViewAction",15,{"@type":107,"mainEntity":108},"FAQPage",[109,115,119],{"name":110,"@type":111,"acceptedAnswer":112},"What is the effective date and scope of these changes in TC AIM?","Question",{"text":113,"@type":114},"The Explanation of Changes is effective March 26, 2020 and covers updates to the RAC—Rules of the Air and Air Traffic Services section. Editorial and format changes were made where necessary, with insignificant items omitted from this explanation.","Answer",{"name":116,"@type":111,"acceptedAnswer":117},"What changes were made to fireball reporting procedures under RAC?",{"text":118,"@type":114},"Fireball reporting procedures were removed from the Flight Information Centres (FICs) section (FISE). Fireball occurrence reporting is no longer required by the government or military.",{"name":120,"@type":111,"acceptedAnswer":121},"Which RAC areas received updates related to approach procedures, temperature, and altimeter settings?",{"text":122,"@type":114},"Additional text clarified ATC visual approach clearance and missed approach procedures for aircraft on an IFR flight plan. Temperature correction guidance was added, and remote altimeter setting information was updated to specify which instrument approach procedure segments receive RASS adjustments.","https://schema.org",{"og:url":83,"og:type":125,"og:title":65,"og:site_name":95,"og:description":67},"article",{"robots":127,"canonical":83},"index,follow",{"doc_id":129,"site_id":62},296208,1789729710,{"code":4,"msg":5,"data":132},{"doc_id":129,"user_id":133,"nickname":92,"user_avatar":134,"doc_module":4,"category_id":39,"category_name":40,"doc_title":65,"doc_description":67,"doc_content":135,"file_id":136,"file_url":137,"file_type":138,"file_size":139,"view_count":105,"is_deleted":4,"is_public":8,"is_downloadable":8,"audit_status":8,"page_count":140,"language":141,"language_code":63,"site_id":62,"html_lang":63,"table_of_contents":142,"faqs":143,"seo_title":144,"seo_description":67,"update_tm":130,"read_time":145,"preview_page_count":4},7971474921005,"https://ap-avatar.wpscdn.com/davatar_29158cc5080c5b710cf443261637dec0","Next page >  \nTP 14371E  \nTransport Canada Aeronautical Information Manual  \n(TC AIM)  \nRAC—RULES OF THE AIR AND AIR TRAFFIC SERVICES  \nMARCH 26, 2020  \n\u003C Previous page  \nTC AIM  \nNext page >  \nMarch 26, 2020  \nTRANSPORT CANADA AERONAUTICAL INFORMATION MANUAL (TC AIM)  \nEXPLANATION OF CHANGES  \nEFFECTIVE—MARCH 26 , 2020  \nNOTES:  \n1. Editorial and format changes were made throughout the TC AIM where necessary and those that were deemed insignificant in nature were not included in the “Explanation of Changes”.  \n2. Effective March 31, 2016, licence differences with ICAO Annex 1 standards and recommended practices, previously located in LRA 1.8 of the TC AIM, have been removed and can now be found in AIP Canada (ICAO) GEN 1.7.  \nRAC  \n(1) RAC [1.1.2.1](1.1.2.1) Flight Information Centres (FICs) In (b) FISE, fireball reporting procedures were removed. The reporting of fireball occurrences is no longer required by the government or military.  \n(2) RAC [1.1.2.2](1.1.2.2) Flight Service Stations (FSSs)   \n(a) AAS  \nAs NAV CANADA moves ahead with runway  \ndetermination at FSSs with direct wind reading  \ninstruments, the phraseology will be changing from  \n“preferred runway” to “runway”.  \n(3) RAC 9.2.1 Minimum Sector Altitude (MSA)  \nA note was added regarding the flight validation  \nof MSA.  \n(4) RAC 9.6.2 Visual Approach  \nAdditional text was added to clarify information  \nabout ATC visual approach clearance and missed  \napproach procedures for aircraft on an IFR flight  \nplan.  \n(5) RAC 9.17.1 Corrections for Temperature Information was added to clarify some temperature correction procedures.  \n(6) RAC 9.17.2 Remote Altimeter Setting  The information was updated to specify the instrument approach procedure segments to which the RASS adjustments are applied.  \n(7) RAC 9.23 Circling   \nTwo new sections were added, including new textual  \ninformation and tables on new expanded circling  \napproach radii.  \n(8) RAC 11.5.1 Northern Control Area (NCA) Track  \nSystem   \nThis subsection was deleted since NAV CANADA is  \nremoving the last references to NCA tracks from  \npublications.  \nTable of Contents  \nChanges  \nBookmarks Panel  \n\u003C Previous page  \nTC AIM  \nNext page >  \nMarch 26, 2020  \nTable of Contents  \nRAC—RULES OF THE AIR AND AIR TRAFFIC SERVICES 187  \n1.0 GENERAL INFORMATION .................................................................................................................................187  \n1.1 Air Traffic Services ..................................................................................................................................................................................... 187  \n1.1.1 Air Traffic Control (ATC) and Information Services .............................................................................................................. 187  \n1.1.2 Flight Advisory and Information Services ............................................................................................................................... 188  \n1.1.2.1 Flight Information Centres (FICs) ............................................................................................................................................. 188  \n1.1.2.2 Flight Service Stations (FSSs) .................................................................................................................................................... 188  \n1.1.2.3 Flight Information Centres (FICs) and Flight Service Stations (FSSs) .................................................................................... 189  \n1.1.2.4 International Flight Service Station (IFSS) ............................................................................................................................... 190  \n1.1.3 Arctic Territories ....................................................................................................................................................................... 190  \n1.1.4 Military Flight Advisory Unit (MFAU) ......","cbCaivpUpW1QPN9U","https://ap.wps.com/l/cbCaivpUpW1QPN9U","pdf",7314575,148,"English","# Explanation of Changes\n## Effective—March 26, 2020\n## Changes\n## Table of Contents\n## 1.0 General Information\n## 1.1 Air Traffic Services\n## 1.2 Services Other Than Air Traffic Services (ATS)\n## 1.3 Automatic Terminal Information Service (ATIS)\n## 1.4 Use of Term \"Ceiling and Visibility OK (CAVOK)\"\n## 1.5 Radar Service","[{\"question\":\"What is the effective date and scope of these changes in TC AIM?\",\"answer\":\"The Explanation of Changes is effective March 26, 2020 and covers updates to the RAC—Rules of the Air and Air Traffic Services section. Editorial and format changes were made where necessary, with insignificant items omitted from this explanation.\"},{\"question\":\"What changes were made to fireball reporting procedures under RAC?\",\"answer\":\"Fireball reporting procedures were removed from the Flight Information Centres (FICs) section (FISE). Fireball occurrence reporting is no longer required by the government or military.\"},{\"question\":\"Which RAC areas received updates related to approach procedures, temperature, and altimeter settings?\",\"answer\":\"Additional text clarified ATC visual approach clearance and missed approach procedures for aircraft on an IFR flight plan. Temperature correction guidance was added, and remote altimeter setting information was updated to specify which instrument approach procedure segments receive RASS adjustments.\"}]","Transport Canada Aeronautical Information Manual (TC AIM) - RAC—Rules of the Air and Air Traffic Services - Explanation of Changes - Effective March 26, 2020 | PDF",373]