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Federal Register / Vol. 86, No. 107 / Monday, June 7, 2021 / Rules and Regulations For the reasons discussed, 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 39AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:

Authority: 49 U.S.C. 106g, 40113, 44701.
39.13

Amended
2. The FAA amends 39.13 by adding the following new airworthiness directive:

20211210 Leonardo S.p.a.: Amendment 3921597; Docket No. FAA20210452;
Project Identifier MCAI202100388R.
a Effective Date This airworthiness directive AD is effective June 22, 2021.
b Affected ADs None.
c Applicability This AD applies to Leonardo S.p.a. Model AB139 and AW139 helicopters, certificated in any category, with 3-stretcher kit part number 139084501 installed.
d Subject Joint Aircraft Service Component JASC
Code: 1100, Placards and Markings.

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e Unsafe Condition This AD was prompted by a report of a design deficiency which affects the primary stretcher unit of the 3-stretcher kit. The FAA
is issuing this AD to address a design deficiency which affects the primary stretcher unit of the 3-stretcher kit. The unsafe condition, if not addressed, could lead, in case of an emergency landing, to failure of the primary stretcher, possibly resulting in injury to helicopter occupants.
f Compliance Comply with this AD within the compliance times specified, unless already done.
g Required Actions Within 30 hours time-in-service TIS after the effective date of this AD, install a placard on the primary stretcher in accordance with the Accomplishment Instructions of Aerolite
VerDate Sep<11>2014

16:24 Jun 04, 2021

Jkt 253001

Alert Service Bulletin ASB21006, dated March 16, 2021.
h 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 i1 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.
i Related Information 1 For more information about this AD, contact Andrea Jimenez, Aerospace Engineer, COS Program Management Section, Operational Safety Branch, Compliance &
Airworthiness Division, FAA, 1600 Stewart Ave., Mail Stop: Room 410, Westbury, NY
11590; phone: 516 2287330; email:
andrea.jimenez@faa.gov.
2 For service information identified in this AD, contact Aerolite AG, Aumuhlestrasse 10, CH6373 Ennetburgen, Switzerland; phone: +41 041 624 58 58; fax:
+41 041 624 58 59; email: info@aerolite.ch.
You may view this referenced 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 817 222
5110.
3 The subject of this AD is addressed in European Union Aviation Safety Agency EASA AD 20210095, dated March 31, 2021. You may view the EASA AD at https
www.regulations.gov in Docket No. FAA
20210452.
j 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 the AD specifies otherwise.
i Aerolite Alert Service Bulletin ASB21
006, dated March 16, 2021.
ii Reserved 3 For Aerolite AG service information identified in this AD, contact Aerolite AG, Aumuhlestrasse 10, CH6373 Ennetburgen, Switzerland; phone: +41 041 624 58 58; fax:
+41 041 624 58 59; email: info@aerolite.ch.
4 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.
5 You may view this service information that is incorporated by reference at the
PO 00000

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National Archives and Records Administration NARA. For information on the availability of this material at NARA, email: fedreg.legal@nara.gov, or go to:
https www.archives.gov/federal-register/cfr/
ibr-locations.html.
Issued on May 28, 2021.
Ross Landes, Deputy Director for Regulatory Operations, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202111961 Filed 6321; 4:15 pm BILLING CODE 491013P

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20200857; Project Identifier MCAI202000707A; Amendment 3921570; AD 20211108
RIN 2120AA64

Airworthiness Directives; Pilatus Aircraft Ltd. Airplanes Federal Aviation Administration FAA, DOT.
ACTION: Final rule.
AGENCY:

The FAA is superseding Airworthiness Directive AD 201425
04 for all Pilatus Aircraft Ltd. Pilatus Model PC6, PC6H1, PC6H2, PC6/
350, PC6/350H1, PC6/350H2, PC
6/A, PC6/AH1, PC6/AH2, PC6/B
H2, PC6/B1H2, PC6/B2H2, PC6/
B2H4, PC6/CH2, and PC6/C1H2
airplanes. AD 20142504 required incorporating revised airworthiness limitations into the aircraft maintenance manual AMM for your FAA-approved maintenance program. This AD requires incorporating new airworthiness limitations and an eddy current inspection of each fuselage wing fitting if an earlier version of the service information was accomplished. This AD
was prompted by a determination that the new life limits, revised airworthiness limitations, and new inspection procedures are necessary.
The FAA is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective July 12, 2021.
The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD
as of July 12, 2021.
ADDRESSES: For service information identified in this final rule, contact Pilatus Aircraft Ltd., Customer Support General Aviation, CH6371 Stans, Switzerland; phone: +41 848 24 7 365;
email: Techsupport@pilatusSUMMARY:

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