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Federal Register / Vol. 86, No. 107 / Monday, June 7, 2021 / Proposed Rules flight if the total hours TIS cannot be determined.
4 Where the service information referenced in Note 3 of EASA AD 20170037
specifies to use a vibrograph to mark the new part number, this AD requires using a vibro etch.
5 Where paragraph 4 of EASA AD 2017
0037 requires replacing each affected rotor mast nut with a not affected rotor mast nut before exceeding 3,708 FH total hours TIS
since first installation on a helicopter, this AD requires removing each affected rotor mast nut from service before accumulating 3,708 total hours TIS.
6 Where paragraph 6 of EASA AD 2017
0037 requires replacing each part as identified in Table 2 of EASA AD 20170037
before exceeding the FH total hours TIS
limit, this AD requires removing each part from service before exceeding the total hours TIS limit.
7 Paragraph 7 of EASA AD 20170037
does not apply to this AD.
8 The Remarks section of EASA AD
20170037 does not apply to this AD.
i Alternative Methods of Compliance AMOCs 1 The Manager, 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 local Flight Standards District Office, as appropriate. If sending information directly to the manager of the International Validation Branch, send it to the attention of the person identified in paragraph j2 of this AD.
Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov.
2 Before using any approved AMOC, notify your appropriate principal inspector, or lacking a principal inspector, the manager of the local flight standards district office/
certificate holding district office.

khammond on DSKJM1Z7X2PROD with PROPOSALS

j Related Information 1 For EASA AD 20170037, 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. You may view this material at the FAA, Office of the Regional Counsel, Southwest Region, 10101 Hillwood Pkwy., Room 6N321, Fort Worth, TX 76177.
For information on the availability of this material at the FAA, call 817 2225110.
This material may be found in the AD docket on the internet at https
www.regulations.gov by searching for and locating Docket No. FAA20210450.
2 For more information about this AD, contact Rao Edupuganti, Aerospace Engineer, Dynamic Systems Section, Technical Innovation Policy Branch, Policy &
Innovation Division, FAA, 10101 Hillwood Pkwy., Fort Worth, TX 76177; telephone 817 2225110; email rao.edupuganti@
faa.gov.

VerDate Sep<11>2014

16:42 Jun 04, 2021

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Issued on May 27, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.

U.S.C.

United States Code
DHS Department of Homeland Security Event PATCOM Event Patrol Commander FR Federal Register NPRM Notice of proposed rulemaking Section
III. Discussion of Proposed Rule The COTP Maryland-National Capital Region is proposing to establish special local regulations to be enforced from 9

II. Background, Purpose, and Legal Basis On February 22, 2021, the Kent FR Doc. 202111804 Filed 6421; 8:45 am Narrows Racing Association of Chester, BILLING CODE 491013P
MD, notified the Coast Guard that it will be conducting the Thunder on the Choptank from 9:30 a.m. to 5:30 p.m. on DEPARTMENT OF HOMELAND
July 24, 2021, and from 9:30 a.m. to 5:30
SECURITY
p.m. on July 25, 2021. The high-speed power boat racing event consists of Coast Guard approximately 50 participating inboard and outboard hydroplane and runabout 33 CFR Part 100
race boats of various classes, 16 to 21
Docket Number USCG20210211
feet in length. The vessels will be competing on a designated, marked 1RIN 1625AA08
mile oval course located in the Choptank River in a cove located Special Local Regulations, Choptank between Hambrooks Bar and the River, Cambridge, MD
shoreline at Cambridge, MD. Details of AGENCY: Coast Guard, DHS.
the event were provided to the Coast ACTION: Notice of proposed rulemaking.
Guard on April 19, 2021. Hazards from the power boat racing event include SUMMARY: The Coast Guard is proposing risks of injury or death resulting from to establish special local regulations for near or actual contact among participant certain waters of the Choptank River.
vessels and spectator vessels or This action is necessary to provide for waterway users if normal vessel traffic the safety of life on navigable waters were to interfere with the event.
located at Cambridge, MD, during a Additionally, such hazards include high-speed power boat racing event on participants operating near designated July 24, 2021, and July 25, 2021. This navigation channels, as well as proposed rulemaking would prohibit operating near approaches to local persons and vessels from being in the public boat ramps, private marinas and regulated area unless authorized by the yacht clubs, and waterfront businesses.
Captain of the Port Maryland-National The COTP Maryland-National Capital Capital Region or Coast Guard Event Region has determined that potential Patrol Commander. We invite your hazards associated with the power boat comments on this proposed rulemaking. races would be a safety concern for DATES: Comments and related material anyone intending to operate within must be received by the Coast Guard on certain waters of the Choptank River at or before June 22, 2021.
Cambridge, MD.
ADDRESSES: You may submit comments The purpose of this rulemaking is to identified by docket number USCG
protect event participants, spectators, 20210211 using the Federal and transiting vessels on certain waters eRulemaking Portal at https
of Choptank River before, during, and www.regulations.gov. See the Public after the scheduled event. The Coast Participation and Request for Guard proposes this rulemaking under Comments portion of the authority in 46 U.S.C. 70041.
The Coast Guard is requesting that SUPPLEMENTARY INFORMATION section for interested parties provide comments further instructions on submitting within a shortened comment period of comments.
15 days instead of the more typical 30
FOR FURTHER INFORMATION CONTACT: If you have questions about this proposed days for this notice of proposed rulemaking. The Coast Guard believes rulemaking, call or email LCDR Samuel the 15-day comment period still M. Danus, Waterways Management provides for a reasonable amount of Division, U.S. Coast Guard; telephone 4105762519, email Samuel.M.Danus@ time for interested parties to review the proposal and provide informed uscg.mil.
comments on it while also ensuring that SUPPLEMENTARY INFORMATION:
the Coast Guard has time to review and respond to any significant comments I. Table of Abbreviations and has a final rule in effect in time for CFR Code of Federal Regulations the scheduled event.
COTP Captain of the Port
PO 00000

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