4910-13
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 71
[Docket No. FAA-2023-2195; Airspace Docket No. 23-ASO-48]
RIN 2120-AA66
Revocation of Colored Federal Airway Blue 9 (B-9); Eastern United States
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
SUMMARY: This action revokes Colored Federal Airway Blue 9 (B-9) in the eastern United
States. The FAA is taking this action due to the decommissioning of the Marathon, FL (MTH),
Nondirectional Radio Beacon (NDB).
DATES: Effective date 0901 UTC, September 5, 2024. The Director of the Federal Register
approves this incorporation by reference action under 1 CFR part 51, subject to the annual
revision of FAA Order JO 7400.11 and publication of conforming amendments.
ADDRESSES: A copy of the Notice of Proposed Rulemaking (NPRM), all comments received,
this final rule, and all background material may be viewed online at www.regulations.gov using
the FAA Docket number. Electronic retrieval help and guidelines are available on the website. It
is available 24 hours each day, 365 days each year.
FAA Order JO 7400.11H, Airspace Designations and Reporting Points, and subsequent
amendments can be viewed online at www.faa.gov/air_traffic/publications/. You may also
contact the Rules and Regulations Group, Office of Policy, Federal Aviation Administration, 800
Independence Avenue SW, Washington, DC 20591; telephone: (202) 267-8783.
FOR FURTHER INFORMATION CONTACT: Brian Vidis, Rules and Regulations Group,
Office of Policy, Federal Aviation Administration, 800 Independence Avenue SW, Washington,
DC 20591; telephone: (202) 267-8783.

SUPPLEMENTARY INFORMATION:
Authority for this Rulemaking
The FAA’s authority to issue rules regarding aviation safety is found in Title 49 of the
United States Code. Subtitle I, Section 106 describes the authority of the FAA Administrator.
Subtitle VII, Aviation Programs, describes in more detail the scope of the agency's authority.
This rulemaking is promulgated under the authority described in Subtitle VII, Part A, Subpart I,
Section 40103. Under that section, the FAA is charged with prescribing regulations to assign the
use of the airspace necessary to ensure the safety of aircraft and the efficient use of airspace. This
regulation is within the scope of that authority as it modifies the Air Traffic Service (ATS) route
structure as necessary to preserve the safe and efficient flow of air traffic within the National
Airspace System (NAS).
History
The FAA published a NPRM for Docket No. FAA 2023-2195 in the Federal Register (88
FR 78267; November 15, 2023), proposing to revoke Colored Federal Airway B-9 in the eastern
United States. Interested parties were invited to participate in this rulemaking effort by
submitting written comments on the proposal to the FAA. No comments were received.
Incorporation by Reference
Colored Federal Airways are published in paragraph 6009(d) of FAA Order JO 7400.11,
Airspace Designations and Reporting Points, which is incorporated by reference in 14 CFR 71.1
on an annual basis. This document amends the current version of that order, FAA Order JO
7400.11H, dated August 11, 2023, and effective September 15, 2023. FAA Order JO 7400.11H
is publicly available as listed in the ADDRESSES section of this document. These amendments
will be published in the next update to FAA Order JO 7400.11.
FAA Order JO 7400.11H lists Class A, B, C, D, and E airspace areas, air traffic service
routes, and reporting points.
The Rule

The action amends 14 CFR part 71 by revoking Colored Federal Airway B-9. This
change facilitates the decommissioning of the Marathon, FL (MTH), NDB. The amendment is
described below.
B-9: Prior to this final rule, B-9 extended between the DEEDS, FL, Fix and the Marathon
NDB. The route is dependent on the Marathon NDB which is scheduled to be decommissioned.
The FAA removes the route in its entirety.
Regulatory Notices and Analyses
The FAA has determined that this regulation only involves an established body of
technical regulations for which frequent and routine amendments are necessary to keep them
operationally current. It, therefore: (1) is not a “significant regulatory action” under Executive
Order 12866; (2) is not a “significant rule” under DOT Regulatory Policies and Procedures (44
FR 11034; February 26, 1979); and (3) does not warrant preparation of a regulatory evaluation as
the anticipated impact is so minimal. Since this is a routine matter that only affects air traffic
procedures and air navigation, it is certified that this rule, when promulgated, does not have a
significant economic impact on a substantial number of small entities under the criteria of the
Regulatory Flexibility Act.
Environmental Review
The FAA has determined that this action of revoking Colored Federal Airway B-9 in the
eastern United States, qualifies for categorical exclusion under the National Environmental
Policy Act (42 U.S.C. §§ 4321 et seq.) and its implementing regulations at 40 CFR part 1500,
and in accordance with FAA Order 1050.1F, “Environmental Impacts: Policies and Procedures,”
paragraph 5-6.5a, which categorically excludes from further environmental impact review
rulemaking actions that designate or modify classes of airspace areas, airways, routes, and
reporting points (see 14 CFR part 71, Designation of Class A, B, C, D, and E Airspace Areas;
Air Traffic Service Routes; and Reporting Points); and paragraph 5-6.5b, which categorically
excludes from further environmental impact review “Actions regarding establishment of jet

routes and Federal airways (see 14 CFR 71.15, Designation of jet routes and VOR Federal
airways)…”. As such, this airspace action is not expected to cause any potentially significant
environmental impacts. In accordance with FAA Order 1050.1F, paragraph 5-2 regarding
Extraordinary Circumstances, the FAA has reviewed this action for factors and circumstances in
which a normally categorically excluded action may have a significant environmental impact
requiring further analysis. Accordingly, the FAA has determined that no extraordinary
circumstances exist that warrant preparation of an environmental assessment or environmental
impact statement.
List of Subjects in 14 CFR Part 71
Airspace, Incorporation by reference, Navigation (air).
The Amendment
In consideration of the foregoing, the Federal Aviation Administration amends 14 CFR
part 71 as follows:
PART 71--DESIGNATION OF CLASS A, B, C, D, AND E AIRSPACE AREAS; AIR
TRAFFIC SERVICE ROUTES; AND REPORTING POINTS
1. The authority citation for 14 CFR part 71 continues to read as follows:
Authority: 49 U.S.C. 106(f), 106(g); 40103, 40113, 40120; E.O. 10854, 24 FR 9565, 3 CFR,
1959-1963 Comp., p. 389.
§ 71.1 [Amended]
2. The incorporation by reference in 14 CFR 71.1 of FAA Order JO 7400.11H, Airspace
Designations and Reporting Points, dated August 11, 2023, and effective September 15, 2023, is
amended as follows:
Paragraph 6009(d). Colored Federal Airways.
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B-9 [Removed]
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Issued in Washington, DC, on June 17, 2024.

Frank Lias,
Manager, Rules and Regulations Group.
[FR Doc. 2024-13677 Filed: 6/21/2024 8:45 am; Publication Date: 6/24/2024]