19622 Federal Register / Vol. 87, No. 65 / Tuesday, April 5, 2022 / Rules and Regulations 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2022–0383; Project 

Identifier MCAI–2022–00264–T; Amendment 

39–21998; AD 2022–07–10] 

RIN 2120–AA64 

Airworthiness Directives; Airbus SAS 

Airplanes 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule; request for 

comments. 

SUMMARY: The FAA is adopting a new 

airworthiness directive (AD) for all 

Airbus SAS Model A350–941 and –1041 

airplanes. This AD was prompted by a 

report that certain overheat detection 

system (OHDS) sensing elements may 

not properly detect thermal bleed leak 

events due to a quality escape during 

the manufacturing process. This AD 

requires revising the operator’s existing 

FAA-approved minimum equipment list 

(MEL) to include dispatch restrictions as 

specified in a European Union Aviation 

Safety Agency (EASA) AD, which is 

incorporated by reference. This AD also 

prohibits the installation of affected 

parts. This AD also allows operators to 

inspect affected parts for discrepancies, 

and do applicable replacements, in 

order to terminate the revision of the 

operator’s existing MEL required by this 

AD. The FAA is issuing this AD to 

address the unsafe condition on these 

products. 

DATES: This AD becomes effective April 

20, 2022. 

The Director of the Federal Register 

approved the incorporation by reference 

of certain publications listed in this AD 

as of April 20, 2022. 

The FAA must receive comments on 

this AD by May 20, 2022. 

ADDRESSES: You may send comments, 

using the procedures found in 14 CFR 

11.43 and 11.45, by any of the following 

methods: 

• Federal eRulemaking Portal: Go to 

https://www.regulations.gov. Follow the 

instructions for submitting comments. 

• Fax: 202–493–2251. 

• Mail: U.S. Department of 

Transportation, Docket Operations, M– 

30, West Building Ground Floor, Room 

W12–140, 1200 New Jersey Avenue SE, 

Washington, DC 20590. 

• Hand Delivery: Deliver to Mail 

address above between 9 a.m. and 5 

p.m., Monday through Friday, except 

Federal holidays. 

For EASA material incorporated by 

reference (IBR) in this AD, contact 

EASA, Konrad-Adenauer-Ufer 3, 50668 

Cologne, Germany; telephone +49 221 

8999 000; email ADs@easa.europa.eu; 

internet www.easa.europa.eu. You may 

find this IBR material on the EASA 

website at https://ad.easa.europa.eu. 

For Kidde Aerospace & Defense service 

information identified in this final rule, 

contact Kidde Aerospace & Defense, 

4200 Airport Drive NW, Building B, 

Wilson, NC 27896; telephone: 319–295– 

5000; internet: https://

kiddetechnologies.com/aviation.com. 

You may view this material at the FAA, 

Airworthiness Products Section, 

Operational Safety Branch, 2200 South 

216th St., Des Moines, WA. For 

information on the availability of this 

material at the FAA, call 206–231–3195. 

It is also available in the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2022–0383. 

Examining the AD Docket 

You may examine the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2022–0383; or in person at Docket 

Operations between 9 a.m. and 5 p.m., 

Monday through Friday, except Federal 

holidays. The AD docket contains this 

AD, the mandatory continuing 

airworthiness information (MCAI), any 

comments received, and other 

information. The street address for 

Docket Operations is listed above. 

FOR FURTHER INFORMATION CONTACT: Dan 

Rodina, Aerospace Engineer, Large 

Aircraft Section, FAA, International 

Validation Branch, 2200 South 216th 

St., Des Moines, WA 98198; telephone 

206–231–3225; email dan.rodina@

faa.gov. 

SUPPLEMENTARY INFORMATION: 

Comments Invited 

The FAA invites you to send any 

written data, views, or arguments about 

this final rule. Send your comments to 

an address listed under ADDRESSES. 

Include ‘‘Docket No. FAA–2022–0383; 

Project Identifier MCAI–2022–00264–T’’ 

at the beginning of your comments. The 

most helpful comments reference a 

specific portion of the final rule, explain 

the reason for any recommended 

change, and include supporting data. 

The FAA will consider all comments 

received by the closing date and may 

amend this final rule because of those 

comments. 

Except for Confidential Business 

Information (CBI) as described in the 

following paragraph, and other 

information as described in 14 CFR 

11.35, the FAA will post all comments 

received, without change, to https://

www.regulations.gov, including any 

personal information you provide. The 

agency will also post a report 

summarizing each substantive verbal 

contact received about this final rule. 

Confidential Business Information 

CBI is commercial or financial 

information that is both customarily and 

actually treated as private by its owner. 

Under the Freedom of Information Act 

(FOIA) (5 U.S.C. 552), CBI is exempt 

from public disclosure. If your 

comments responsive to this AD contain 

commercial or financial information 

that is customarily treated as private, 

that you actually treat as private, and 

that is relevant or responsive to this AD, 

it is important that you clearly designate 

the submitted comments as CBI. Please 

mark each page of your submission 

containing CBI as ‘‘PROPIN.’’ The FAA 

will treat such marked submissions as 

confidential under the FOIA, and they 

will not be placed in the public docket 

of this AD. Submissions containing CBI 

should be sent to Dan Rodina, 

Aerospace Engineer, Large Aircraft 

Section, FAA, International Validation 

Branch, 2200 South 216th St., Des 

Moines, WA 98198; telephone 206–231– 

3225; email dan.rodina@faa.gov. Any 

commentary that the FAA receives 

which is not specifically designated as 

CBI will be placed in the public docket 

for this rulemaking. 

Background 

EASA, which is the Technical Agent 

for the Member States of the European 

Union, has issued EASA AD 2022–0031, 

dated February 25, 2022 (EASA AD 

2022–0031) (also referred to as the 

MCAI), to correct an unsafe condition 

for all Airbus SAS Model A350–941 and 

–1041 airplanes. 

This AD was prompted by a report 

that certain OHDS sensing elements 

may not properly detect thermal bleed 

leak events due to a quality escape 

during the manufacturing process. The 

FAA is issuing this AD to address 

undetected thermal bleed leak events 

that might not be isolated during flight, 

possibly resulting in localized areas of 

the wing structure being exposed to 

high temperatures and consequent 

reduced structural integrity of the 

airplane. See the MCAI for additional 

background information. 

Related Service Information Under 1 

CFR Part 51 

EASA AD 2022–0031 specifies 

procedures for revising the operator’s 

existing MEL to include dispatch 

restrictions (which, depending on the 

configuration, includes limiting the 

number of inoperative days for the 


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Federal Register / Vol. 87, No. 65 / Tuesday, April 5, 2022 / Rules and Regulations 19623 

OHDS sensing element or requiring 

certain checks in order to be 

inoperative) for Airbus A350 Master 

Minimum Equipment List (MMEL) item 

36–22–01, ‘‘Air Leak Detection 

Redundancy.’’ EASA AD also specifies 

procedures for a detailed inspection of 

the affected OHDS sensing elements for 

discrepancies (i.e., the related electronic 

centralized aircraft monitoring (ECAM) 

alert is not displayed after a heat gun 

test is done), and applicable 

replacements (which is not required by 

this AD, as discussed under 

‘‘Differences Between this AD and the 

MCAI).’’ EASA AD 2022–0031 also 

prohibits the installation of affected 

parts. 

Kidde Aerospace & Defense Service 

Bulletin CFD–26–3, dated January 13, 

2022, identifies affected OHDS sensing 

elements (those having certain part 

numbers and corresponding date codes). 

This material is reasonably available 

because the interested parties have 

access to it through their normal course 

of business or by the means identified 

in the ADDRESSES section. 

FAA’s Determination 

This product has been approved by 

the aviation authority of another 

country and is approved for operation in 

the United States. Pursuant to the FAA’s 

bilateral agreement with this State of 

Design Authority, it has notified the 

FAA of the unsafe condition described 

in the MCAI described above. The FAA 

is issuing this AD after determining that 

the unsafe condition described 

previously is likely to exist or develop 

on other products of the same type 

design. 

Requirements of This AD 

This AD requires accomplishing the 

actions specified in EASA AD 2022– 

0031 described previously, except for 

any differences identified as exceptions 

in the regulatory text of this AD and 

except as discussed under ‘‘Differences 

Between this AD and the MCAI.’’ 

EASA AD 2022–0031 requires 

operators to ‘‘inform all flight crews’’ of 

revisions to the operator’s existing 

MMEL, and thereafter to ‘‘operate the 

aeroplane accordingly.’’ However, this 

AD does not specifically require those 

actions as they are already required by 

FAA regulations. 

FAA regulations (14 CFR 

121.628(a)(2)) require operators to 

provide pilots with access to all of the 

information contained in the operator’s 

existing MEL. Furthermore, 14 CFR 

121.628(a)(5) requires airplanes to be 

operated under all applicable conditions 

and limitations contained in the 

operator’s existing MEL. Therefore, 

including a requirement in this AD to 

operate the airplane according to the 

revised MEL would be redundant and 

unnecessary. 

Explanation of Required Compliance 

Information 

In the FAA’s ongoing efforts to 

improve the efficiency of the AD 

process, the FAA developed a process to 

use some civil aviation authority (CAA) 

ADs as the primary source of 

information for compliance with 

requirements for corresponding FAA 

ADs. The FAA has been coordinating 

this process with manufacturers and 

CAAs. As a result, EASA AD 2022–0031 

is incorporated by reference in this AD. 

This AD requires compliance with 

EASA AD 2022–0031 in its entirety 

through that incorporation, except for 

any differences identified as exceptions 

in the regulatory text of this AD. Using 

common terms that are the same as the 

heading of a particular section in EASA 

AD 2022–0031 does not mean that 

operators need comply only with that 

section. For example, where the AD 

requirement refers to ‘‘all required 

actions and compliance times,’’ 

compliance with this AD requirement is 

not limited to the section titled 

‘‘Required Action(s) and Compliance 

Time(s)’’ in EASA AD 2022–0031. 

Service information required by EASA 

AD 2022–0031 for compliance will be 

available at https://www.regulations.gov 

by searching for and locating Docket No. 

FAA–2022–0383 after this AD is 

published. 

Differences Between This AD and the 

MCAI 

EASA AD 2022–0031 requires an 

inspection of affected parts for 

discrepancies within 36 months, and 

replacing discrepant parts. However, the 

planned compliance time for the 

inspection would allow enough time to 

provide notice and opportunity for prior 

public comment on the merits of the 

inspection. Therefore, the FAA is 

considering further rulemaking to 

require the inspection and replacement. 

This AD does not mandate that 

inspection, instead making it an 

optional action in this AD. 

Accomplishing the inspection, and 

applicable replacements, will constitute 

terminating action for the revision of the 

operator’s existing MEL required by this 

AD. The terminating action is specified 

in paragraph (5) of EASA AD 2022– 

0031. 

FAA’s Justification and Determination 

of the Effective Date 

Section 553(b)(3)(B) of the 

Administrative Procedure Act (APA) (5 

U.S.C. 551 et seq.) authorizes agencies 

to dispense with notice and comment 

procedures for rules when the agency, 

for ‘‘good cause,’’ finds that those 

procedures are ‘‘impracticable, 

unnecessary, or contrary to the public 

interest.’’ Under this section, an agency, 

upon finding good cause, may issue a 

final rule without providing notice and 

seeking comment prior to issuance. 

Further, section 553(d) of the APA 

authorizes agencies to make rules 

effective in less than thirty days, upon 

a finding of good cause. 

An unsafe condition exists that 

requires the immediate adoption of this 

AD without providing an opportunity 

for public comments prior to adoption. 

The FAA has found that the risk to the 

flying public justifies forgoing notice 

and comment prior to adoption of this 

rule because undetected thermal bleed 

leak events that might not be isolated 

during flight could result in localized 

areas of the wing structure being 

exposed to high temperatures and 

consequent reduced structural integrity 

of the airplane. The OHDS sensing 

elements are critical to continued 

airworthiness of the airplane because an 

undetected hot air leak might lead to 

permanent damage to the surrounding 

loaded structure. Additionally, the 

revision of the operator’s existing MEL 

required by this AD must be done 

within 30 days in order to address the 

unsafe condition. Accordingly, notice 

and opportunity for prior public 

comment are impracticable and contrary 

to the public interest pursuant to 5 

U.S.C. 553(b)(3)(B). 

In addition, the FAA finds that good 

cause exists pursuant to 5 U.S.C. 553(d) 

for making this amendment effective in 

less than 30 days, for the same reasons 

the FAA found good cause to forgo 

notice and comment. 

Regulatory Flexibility Act (RFA) 

The requirements of the RFA do not 

apply when an agency finds good cause 

pursuant to 5 U.S.C. 553 to adopt a rule 

without prior notice and comment. 

Because the FAA has determined that it 

has good cause to adopt this rule 

without notice and comment, RFA 

analysis is not required. 

Costs of Compliance 

The FAA estimates that this AD 

affects 29 airplanes of U.S. registry. The 

FAA estimates the following costs to 

comply with this AD: 


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19624 Federal Register / Vol. 87, No. 65 / Tuesday, April 5, 2022 / Rules and Regulations 

ESTIMATED COSTS FOR REQUIRED ACTIONS

Labor cost Parts cost Cost per 

product 

Cost on U.S. 

operators 

1 work-hour × $85 per hour = $85 .............................................................................................. $0 $85 $2,465 

ESTIMATED COSTS FOR OPTIONAL ACTIONS

Labor cost Parts cost Cost per 

product 

13 work-hours × $85 per hour = $1,105 ................................................................................................................. $0 $1,105 

The FAA estimates the following 

costs to do any necessary on-condition 

action that would be required based on 

the results of any optional actions. The 

FAA has no way of determining the 

number of aircraft that might need this 

on-condition action: 

ESTIMATED COSTS OF ON-CONDITION ACTIONS

Labor cost Parts cost Cost per 

product 

1 work-hours × $85 per hour = $85 ........................................................................................................................ * $0 * $85 

* The FAA has received no definitive data on the parts cost. 

According to the parts manufacturer, 

some or all of the costs of this AD may 

be covered under warranty, thereby 

reducing the cost impact on affected 

operators. The FAA does not control 

warranty coverage for affected operators. 

As a result, the FAA has included all 

known costs in the cost estimate. 

Authority for This Rulemaking 

Title 49 of the United States Code 

specifies the FAA’s authority to issue 

rules on aviation safety. 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. 

The FAA is issuing this rulemaking 

under the authority described in 

Subtitle VII, Part A, Subpart III, Section 

44701: General requirements. Under 

that section, Congress charges the FAA 

with promoting safe flight of civil 

aircraft in air commerce by prescribing 

regulations for practices, methods, and 

procedures the Administrator finds 

necessary for safety in air commerce. 

This regulation is within the scope of 

that authority because it addresses an 

unsafe condition that is likely to exist or 

develop on products identified in this 

rulemaking action. 

Regulatory Findings 

This AD will not have federalism 

implications under Executive Order 

13132. This AD will not have a 

substantial direct effect on the States, on 

the relationship between the national 

government and the States, or on the 

distribution of power and 

responsibilities among the various 

levels of government. 

For the reasons discussed above, I 

certify that this AD: 

(1) Is not a ‘‘significant regulatory 

action’’ under Executive Order 12866, 

and 

(2) Will not affect intrastate aviation 

in Alaska. 

List of Subjects in 14 CFR Part 39 

Air transportation, Aircraft, Aviation 

safety, Incorporation by reference, 

Safety. 

The Amendment 

Accordingly, under the authority 

delegated to me by the Administrator, 

the FAA amends 14 CFR part 39 as 

follows: 

PART 39—AIRWORTHINESS 

DIRECTIVES 

■ 1. The authority citation for part 39 

continues to read as follows: 

Authority: 49 U.S.C. 106(g), 40113, 44701. 

§ 39.13 [Amended] 

■ 2. The FAA amends § 39.13 by adding 

the following new airworthiness 

directive: 

2022–07–10 Airbus SAS: Amendment 39– 

21998; Docket No. FAA–2022–0383; 

Project Identifier MCAI–2022–00264–T. 

(a) Effective Date 

This airworthiness directive (AD) is 

effective April 20, 2022. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to all Airbus SAS Model 

A350–941 and –1041 airplanes, certificated 

in any category. 

(d) Subject 

Air Transport Association (ATA) of 

America Code 36, Pneumatic. 

(e) Unsafe Condition 

This AD was prompted by a report that 

certain overheat detection system (OHDS) 

sensing elements may not properly detect 

thermal bleed leak events due to a quality 

escape during the manufacturing process. 

The FAA is issuing this AD to address 

undetected thermal bleed leak events that 

might not be isolated during flight, possibly 

resulting in localized areas of the wing 

structure being exposed to high temperatures 

and consequent reduced structural integrity 

of the airplane. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Requirements 

Except as specified in paragraph (h) of this 

AD: Comply with all required actions and 

compliance times specified in, and in 

accordance with, European Union Aviation 

Safety Agency (EASA) AD 2022–0031, dated 

February 25, 2022 (EASA AD 2022–0031). 

(h) Exceptions to EASA AD 2022–0031 

(1) Where EASA AD 2022–0031 refers to its 

effective date, this AD requires using the 

effective date of this AD. 

(2) Where EASA AD 2022–0031 has a 

definition for ‘‘Affected part’’ and refers to 

‘‘the VSB [vendor service bulletin]’’ for the 


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part numbers and date codes, for this AD, use 

Kidde Aerospace & Defense Service Bulletin 

CFD–26–3, dated January 13, 2022, as ‘‘the 

VSB’’ for the part numbers and date codes. 

(3) Where EASA AD 2022–0031 has a 

definition for ‘‘Groups’’ and identifies certain 

airplanes as Group 2 airplanes, replace the 

text, ‘‘An aeroplane having an MSN 

[manufacturer serial number] not listed in the 

Section 1.A of the SB is Group 2, provided 

it is determined that no affected part has 

been installed on any affected position of that 

aeroplane since Airbus date of manufacture’’ 

with ‘‘An aeroplane having an MSN not 

listed in the Section 1.A of Airbus Service 

Bulletin A350–36–P032, dated December 3, 

2021, is Group 2, provided it is determined 

that no affected part has been installed on 

any affected position of that aeroplane since 

Airbus date of manufacture.’’ 

(4) Where paragraphs (2) and (3) of EASA 

AD 2022–0031 require a detailed inspection 

of affected parts and applicable corrective 

actions, this AD does not require those 

actions, but allows performing those actions 

as terminating action for the revision of the 

operator’s existing minimum equipment list 

(MEL) as specified in paragraph (5) of EASA 

AD 2022–0031. 

(5) The ‘‘Remarks’’ section of EASA AD 

2022–0031 does not apply to this AD. 

(6) Where paragraph (1) of EASA 2022 

0031 specifies to ‘‘inform all flight crews, 

and, thereafter, operate the aeroplane 

accordingly,’’ this AD does not require those 

actions as those actions are already required 

by existing FAA operating regulations. 

(i) No Reporting Requirement and No Return 

of Parts 

(1) Although the service information 

referenced in EASA AD 2022–0031 specifies 

to submit certain information to the 

manufacturer, this AD does not include that 

requirement. 

(2) Although the service information 

referenced in EASA AD 2022–0031 specifies 

to return certain parts to the manufacturer, 

this AD does not include that requirement. 

(j) Additional AD Provisions 

The following provisions also apply to this 

AD: 

(1) Alternative Methods of Compliance 

(AMOCs): The Manager, Large Aircraft 

Section, International Validation Branch, 

FAA, has the authority to approve AMOCs 

for this AD, if requested using the procedures 

found in 14 CFR 39.19. In accordance with 

14 CFR 39.19, send your request to your 

principal inspector or responsible Flight 

Standards Office, as appropriate. If sending 

information directly to the Large Aircraft 

Section, International Validation Branch, 

send it to the attention of the person 

identified in paragraph (k) of this AD. 

Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov. Before using any 

approved AMOC, notify your appropriate 

principal inspector, or lacking a principal 

inspector, the manager of the responsible 

Flight Standards Office. 

(2) Contacting the Manufacturer: For any 

requirement in this AD to obtain instructions 

from a manufacturer, the instructions must 

be accomplished using a method approved 

by the Manager, Large Aircraft Section, 

International Validation Branch, FAA; or 

EASA; or Airbus SAS’s EASA Design 

Organization Approval (DOA). If approved by 

the DOA, the approval must include the 

DOA-authorized signature. 

(3) Required for Compliance (RC): Except 

as required by paragraphs (i) and (j)(2) of this 

AD, if any service information contains 

procedures or tests that are identified as RC, 

those procedures and tests must be done to 

comply with this AD; any procedures or tests 

that are not identified as RC are 

recommended. Those procedures and tests 

that are not identified as RC may be deviated 

from using accepted methods in accordance 

with the operator’s maintenance or 

inspection program without obtaining 

approval of an AMOC, provided the 

procedures and tests identified as RC can be 

done and the airplane can be put back in an 

airworthy condition. Any substitutions or 

changes to procedures or tests identified as 

RC require approval of an AMOC. 

(k) Related Information 

For more information about this AD, 

contact Dan Rodina, Aerospace Engineer, 

Large Aircraft Section, FAA, International 

Validation Branch, 2200 South 216th St., Des 

Moines, WA 98198; telephone 206–231– 

3225; email dan.rodina@faa.gov. 

(l) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference of 

the service information listed in this 

paragraph under 5 U.S.C. 552(a) and 1 CFR 

part 51. 

(2) You must use this service information 

as applicable to do the actions required by 

this AD, unless this AD specifies otherwise. 

(i) European Union Aviation Safety Agency 

(EASA) AD 2022–0031, dated February 25, 

2022. 

(ii) Kidde Aerospace & Defense Service 

Bulletin CFD–26–3, dated January 13, 2022. 

(3) For EASA AD 2022–0031, contact 

EASA, Konrad-Adenauer-Ufer 3, 50668 

Cologne, Germany; telephone +49 221 8999 

000; email ADs@easa.europa.eu; internet 

www.easa.europa.eu. You may find this 

EASA AD on the EASA website at https://

ad.easa.europa.eu. 

(4) For Kidde Aerospace & Defense service 

information, contact Kidde Aerospace & 

Defense, 4200 Airport Drive NW, Building B, 

Wilson, NC 27896; telephone: 319–295–5000; 

internet: https://kiddetechnologies.com/ 

aviation.com. 

(5) You may view this material at the FAA, 

Airworthiness Products Section, Operational 

Safety Branch, 2200 South 216th St., Des 

Moines, WA. For information on the 

availability of this material at the FAA, call 

206–231–3195. 

(6) You may view this material that is 

incorporated by reference at the National 

Archives and Records Administration 

(NARA). For information on the availability 

of this material at NARA, email 

fr.inspection@nara.gov, or go to: https://

www.archives.gov/federal-register/cfr/ibrlocations.html. 

Issued on March 24, 2022. 

Lance T. Gant, 

Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2022–07089 Filed 4–4–22; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF HOMELAND 

SECURITY 

Coast Guard 

33 CFR Part 165 

[Docket Number USCG–2022–0224] 

RIN 1625–AA00 

Safety Zone; Upper Mississippi River 

Mile Markers 172.0–172.3, St. Louis, 

MO 

AGENCY: Coast Guard, Department of 

Homeland Security (DHS). 

ACTION: Temporary final rule. 

SUMMARY: The Coast Guard is 

establishing a temporary safety zone for 

all navigable waters in the Upper 

Mississippi River at Mile Markers (MM) 

172.0–172.3. The safety zone is needed 

to protect personnel, vessels, and the 

marine environment from all potential 

hazards associated with electrical line 

work. Entry of vessels or persons into 

this zone is prohibited unless 

specifically authorized by the Captain of 

the Port Sector Upper Mississippi River 

(COTP) or a designated representative. 

DATES: This rule is effective without 

actual notice from April 5, 2022, 

through May 1, 2022. For the purposes 

of enforcement, actual notice will be 

used from March 30, 2022, until April 

5, 2022. 

ADDRESSES: To view documents 

mentioned in this preamble as being 

available in the docket, go to https://

www.regulations.gov, type USCG–2022– 

0224 in the search box and click 

‘‘Search.’’ Next, in the Document Type 

column, select ‘‘Supporting & Related 

Material.’’ 

FOR FURTHER INFORMATION CONTACT: If 

you have questions on this rule, call or 

email Lieutenant Commander Stephanie 

Moore, Sector Upper Mississippi River 

Waterways Management Division, U.S. 

Coast Guard; telephone 314–269–2560, 

email Stephanie.R.Moore@uscg.mil. 

SUPPLEMENTARY INFORMATION: 

I. Table of Abbreviations 

CFR Code of Federal Regulations 

COTP Captain of the Port Sector Upper 

Mississippi River 

DHS Department of Homeland Security 

FR Federal Register 


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