Transport Canada Aeronautical Information Manual (TC AIM) - RAC—Rules of the Air and Air Traffic Services - Explanation of Changes - Effective March 26, 2020

Sep 18, 2026

Uploaded by Grenda

Explanation of changes for the Transport Canada Aeronautical Information Manual (TC AIM), RAC—Rules of the Air and Air Traffic Services, effective March 26, 2020. 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.

LanguageEnglish

CategoryResearch & Report

FormatPDF

Pages148

Reading Time6 h 13 min

AccessFree to download

Explanation of Changes

Effective—March 26, 2020

Changes

Table of Contents

1.0 General Information

1.1 Air Traffic Services

1.2 Services Other Than Air Traffic Services (ATS)

1.3 Automatic Terminal Information Service (ATIS)

1.4 Use of Term "Ceiling and Visibility OK (CAVOK)"

1.5 Radar Service

Next page > TP 14371E Transport Canada Aeronautical Information Manual (TC AIM) RAC—RULES OF THE AIR AND AIR TRAFFIC SERVICES MARCH 26, 2020 < Previous page TC AIM Next page > March 26, 2020 TRANSPORT CANADA AERONAUTICAL INFORMATION MANUAL (TC AIM) EXPLANATION OF CHANGES EFFECTIVE—MARCH 26 , 2020 NOTES: 1. 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”. 2. 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. RAC (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. (2) RAC [1.1.2.2](1.1.2.2) Flight Service Stations (FSSs) (a) AAS As NAV CANADA moves ahead with runway determination at FSSs with direct wind reading instruments, the phraseology will be changing from “preferred runway” to “runway”. (3) RAC 9.2.1 Minimum Sector Altitude (MSA) A note was added regarding the flight validation of MSA. (4) RAC 9.6.2 Visual Approach Additional text was added to clarify information about ATC visual approach clearance and missed approach procedures for aircraft on an IFR flight plan. (5) RAC 9.17.1 Corrections for Temperature Information was added to clarify some temperature correction procedures. (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. (7) RAC 9.23 Circling Two new sections were added, including new textual information and tables on new expanded circling approach radii. (8) RAC 11.5.1 Northern Control Area (NCA) Track System This subsection was deleted since NAV CANADA is removing the last references to NCA tracks from publications. Table of Contents Changes Bookmarks Panel < Previous page TC AIM Next page > March 26, 2020 Table of Contents RAC—RULES OF THE AIR AND AIR TRAFFIC SERVICES 187 1.0 GENERAL INFORMATION .................................................................................................................................187 1.1 Air Traffic Services ..................................................................................................................................................................................... 187 1.1.1 Air Traffic Control (ATC) and Information Services .............................................................................................................. 187 1.1.2 Flight Advisory and Information Services ............................................................................................................................... 188 1.1.2.1 Flight Information Centres (FICs) ............................................................................................................................................. 188 1.1.2.2 Flight Service Stations (FSSs) .................................................................................................................................................... 188 1.1.2.3 Flight Information Centres (FICs) and Flight Service Stations (FSSs) .................................................................................... 189 1.1.2.4 International Flight Service Station (IFSS) ............................................................................................................................... 190 1.1.3 Arctic Territories ....................................................................................................................................................................... 190 1.1.4 Military Flight Advisory Unit (MFAU) ......

FAQs

What is the effective date and scope of these changes in TC AIM?

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.

What changes were made to fireball reporting procedures under RAC?

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.

Which RAC areas received updates related to approach procedures, temperature, and altimeter settings?

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.

Sep 18, 2026

Uploaded by Grenda