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AIM

3/29/18

Explanation of Changes

E of Chg

−1

Aeronautical Information Manual

Explanation of Changes

Effective: March 29, 2018

a. 1

−1−13. User Reports Requested on NAVAID

or Global Navigation Satellite System (GNSS)
Performance or Interference

To better capture failures during outages, this change
creates a stronger emphasis on Global Positioning
System (GPS) international interference reporting
and collection of data.

b. 1

−2−4. Pilots and Air Traffic Controllers

Recognizing Interference or Spoofing

This change provides information regarding Mini-
mum Operational Network (MON) airports that are
being added to the Chart Supplement U.S. in case of
GPS interruptions.

c. 3

−1−1. General

3

−4−1. General

3

−4−3. Restricted Areas

3

−4−5. Military Operations Areas 

3

−4−9. Obtaining Special Use Airspace

Status

3

−5−2. Military Training Routes

These changes clarify that only permanent restricted
areas and permanent military operations areas are
charted.

d. 4

−3−2. Airports With an Operating Control

Tower

This change removes the word “leg” from “departure
leg.” Changing the term “departure leg” to
“departure” will correctly correspond to FIG 4

−3−1,

Components of a Traffic Pattern, and align with
current language in the Aeronautical Information
Publication.

e. 4

−3−3. Traffic Patterns

This change restructures the paragraph and adds
clarifying information needed to help pilots better
understand their responsibilities regarding flying in
and around airport traffic patterns. It also adds a
reference to Advisory Circular (AC) 90

−66,

Recommended Standards Traffic Patterns for Aero-
nautical Operations at Airports without Operating

Control Towers, for flight at airports without
operating control towers.

f. 4

−7−1. Introduction and Background

4

−7−2. Lateral Separation Minima applied

4

−7−3. Operation on Routes on the

Periphery of the Gulf of Mexico CTAs

4

−7−4. Provisions for Non−RNP 10 Aircraft

(Not Authorized RNP 10 or RNP 4)

4

−7−5. Operator Action

4

−7−6. RNP 10 or RNP 4 Authorization:

Policy and Procedures for Aircraft and
Operators

4

−7−7. Flight Planning Requirements

4

−7−8. Pilot and Dispatcher Procedures:

Basic and In

−flight Contingency Procedures

This change significantly reorganizes and
streamlines the content within this section. Instead of
eight sub

−sections, the new section will contain six.

The key concepts from the old content have been
retained throughout the new version. However,
excess wording has been eliminated. No new policy
information has been added.

g. 5

−1−4. Flight Plan − VFR Flights

5

−1−6. Flight Plan − Defense (DVFR) Flights

The terms “coastal ADIZ,” “domestic ADIZ,” and
“DEWIZ” are obsolete and are no longer a part of the
Air Defense Identification Zone (ADIZ) definition,
as published in 14 Code of Federal Regulations
Part 99. Therefore, those terms are being removed.

h. 5

−1−8. Flight Plan (FAA Form 7233−1) −

Domestic IFR Flights

5

−1−9. International Flight Plan (FAA

Form 7233

−4) IFR Flights

This change updates references to various advisory
circulars.

i. 5

−1−9. International Flight Plan (FAA

Form 7233

−4) IFR Flights

This change removes the “Reserved for RCP”
description for the P

−Code and includes the P−Code

equipment definitions.