9/5/24 

AIM 

Aeronautical Information Manual 

Explanation of Changes 

Effective:  September 5, 2024 

a.  1

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2

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4. RECOGNIZING, MITIGATING, AND ADAPTING TO GPS INTERFERENCE 

(JAMMING OR SPOOFING) 

This change provides additional guidance and recommendations for jamming and/or spoofing of Global 

Positioning System (GPS) and reiterates the need for pilots’ reporting of events. 

b.  3

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5

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2. MILITARY TRAINING ROUTES 

This change adds explanatory material on Special Military Advisory Routes (SMARs). 

c.  4

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4

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12. SPEED ADJUSTMENTS 

5

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4

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1. STANDARD TERMINAL ARRIVAL PROCEDURES 

This change adds language to clarify that any published speed, including a chart note speed, is canceled when 

aircraft are vectored or deviate off of a procedure. 

d.  4

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4

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12. SPEED ADJUSTMENTS 

This change is being made to align ICAO language with NAS orders and procedures by removing “turbojet” as 

the only aircraft that can be assigned a Mach number speed. 

e.  4

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5

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2. AIR TRAFFIC CONTROL RADAR BEACON SYSTEM (ATCRBS) 

APPENDIX 3. ABBREVIATIONS/ACRONYMS 

This change removes the note in subparagraph 4

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5

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2c; FIG 4

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5

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3 and FIG 4

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5

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4 that illustrate the old systems; 

and references to Automated Radar Terminal System in Appendix 3, Abbreviations/Acronyms. 

f.  5

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4

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5. INSTRUMENT APPROACH PROCEDURES (IAP) CHARTS 

This change corrects the inconsistency between documents and charting to reflect the current method of 

procedure titling. 

g.  Editorial Changes 

An editorial change to subparagraph 5

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1

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1d corrects the time frame for updating Section Charts from 6 months 

to 56 days. 

h.  Entire Publication 

Additional editorial/format changes were made where necessary. Revision bars were not used because of the 

insignificant nature of these changes. 

Explanation of Changes 

E of Chg

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1