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Federal Register / Vol. 86, No. 198 / Monday, October 18, 2021 / Rules and Regulations c Applicability This AD applies to all Airbus SAS Model A330841 and A330941 airplanes, certificated in any category.
d Subject Air Transport Association ATA of America Code 34, Navigation.
e Unsafe Condition This AD was prompted by a report of incorrect take-off computations for crosswinds above 20 knots. The FAA is issuing this AD to address substantially reduced take-off performance in crosswind conditions above 20 knots, possibly resulting in a runway overrun, in the event of continued takeoff following an engine failure or rejected takeoff, with consequent damage to the airplane and injury to occupants.
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 20210210, dated September 16, 2021 EASA AD 20210210.

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h Exceptions to EASA AD 20210210
1 Where EASA AD 20210210 refers to its effective date, this AD requires using the effective date of this AD.
2 Where paragraph 1 of EASA AD 2021
0210 specifies amending the aircraft flight manual AFM, this AD requires replacing the text implement the aircraft performance database by introducing the AFM DU
Documentary Unit with amend the applicable existing AFM and applicable corresponding operational procedures by incorporating the AFM DU.
3 Whereas paragraph 1 of EASA AD
20210210 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.
4 The Remarks section of EASA AD
20210210 does not apply to this AD.
i 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 j 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
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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 SASs 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 paragraph i2 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 operators 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.
j Related Information For more information about this AD, contact Vladimir Ulyanov, Aerospace Engineer, Large Aircraft Section, FAA, International Validation Branch, 2200 South 216th St., Des Moines, WA 98198; telephone and fax 2062313229; email vladimir.ulyanov@faa.gov.
k 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. 552a 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 20210210, dated September 16, 2021.
ii Reserved 3 For EASA AD 20210210, 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 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 2062313195.
5 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.

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Issued on October 7, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202122633 Filed 101421; 11:15 am BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20210106; Project Identifier AD202000708R; Amendment 3921735; AD 20211917
RIN 2120AA64

Airworthiness Directives; Sikorsky Aircraft Corporation Helicopters Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is adopting a new airworthiness directive AD for certain Sikorsky Aircraft Corporation Sikorsky Model S92A helicopters. This AD was prompted by an incident of a side facing utility seat detaching from wall attachment points. This AD requires modifying certain side facing utility seats and observer seats, and prohibits installing those seats unless the modification has been accomplished.
The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective November 22, 2021.
The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD
as of November 22, 2021.
ADDRESSES: For Martin-Baker and Sikorsky service information identified in this final rule, contact your local Sikorsky Field Representative or Sikorskys Service Engineering Group at Sikorsky Aircraft Corporation, Mailstop K100, 124 Quarry Road, Trumbull, CT
06611; telephone 18009464337 1
800WingedS; email wcs_cust_
service_eng.gr-sik@lmco.com. Operators may also log on to the Sikorsky 360
website at https
www.sikorsky360.com. You may view this service information 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. It is also available at https www.regulations.gov by searching for and locating Docket No.
FAA20210106.
SUMMARY:

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