Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Rules and Regulations 34127 

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: 

2021–12–16 Airbus Helicopters 

Deutschland GmbH (AHD): Amendment 

39–21603; Docket No. FAA–2021–0265; 

Project Identifier MCAI–2020–01541–R. 

(a) Effective Date 

This airworthiness directive (AD) is 

effective August 3, 2021. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to all Airbus Helicopters 

Deutschland GmbH (AHD) Model MBB– 

BK117 C–2 and MBB–BK117 D–2 

helicopters, certificated in any category. 

(d) Subject 

Joint Aircraft System Component (JASC) 

Code: 6710, Main Rotor Control. 

(e) Reason 

This AD was prompted by a report of 

increased control force in the collective axis. 

The FAA is issuing this AD to prevent failure 

of the main rotor actuator and subsequent 

loss of control of the helicopter. 

(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 2020–0257, dated 

November 17, 2020 (EASA AD 2020–0257). 

(h) Exceptions to EASA AD 2020–0257 

(1) Where EASA AD 2020–0257 refers to its 

effective date, this AD requires using the 

effective date of this AD. 

(2) Where Note 1 of EASA AD 2020–0257 

specifies a tolerance of 3 months may be 

applied to the initial threshold and to the 

repetitive inspection interval, this AD does 

not allow this tolerance. 

(3) Where paragraph (2) of EASA AD 2020– 

0257 specifies contacting Airbus Helicopters, 

this AD requires performing the corrective 

action in accordance with FAA-approved 

procedures. 

(4) Where paragraph (3) of EASA AD 2020– 

0257 specifies an alternative method to 

comply with the requirements of paragraph 

(2) of EASA AD 2020–0257 by replacing an 

affected part, this AD requires removing an 

affected part from service as an alternative 

method. 

(5) Where paragraph (1) of EASA AD 2020– 

0257 specifies a compliance time for the 

initial inspection of ‘‘before an affected part 

exceeds 12 months since new, or since last 

overhaul, or within 3 months after the 

effective date of this AD, whichever occurs 

later’’ and repetitive inspections at intervals 

not to exceed 12 months, this AD requires a 

compliance time for the initial inspection of 

before an affected part exceeds 319 total 

hours time-in-service (TIS), or within 319 

hours TIS after the date of the last overhaul, 

or within 80 hours TIS after the effective date 

of this AD, whichever occurs later, and 

repetitive inspections at intervals not to 

exceed 319 hours TIS. 

(6) Although the service information 

referenced in EASA AD 2020–0257 does not 

specify a compliance time for the reporting 

requirement, this AD requires the reporting 

action to be performed within 30 days after 

accomplishing each inspection and 

determining that there is a crack, damage, 

black coloration, or corrosion. 

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

2020–0257 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 (j) 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. 

(j) Related Information 

For more information about this AD, 

contact Katherine Venegas, Aviation Safety 

Engineer, Los Angeles ACO Branch, FAA, 

3960 Paramount Blvd., Lakewood, California 

90712; telephone (562) 627–5353; email 

katherine.venegas@faa.gov. 

(k) Material Incorporated by Reference 

(1) The Director of the Federal Register 

approved the incorporation by reference 

(IBR) 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 2020–0257, dated November 17, 

2020. 

(ii) [Reserved] 

(3) For EASA AD 2020–0257, contact the 

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 service information 

at the FAA, Office of the Regional Counsel, 

Southwest Region, 10101 Hillwood Pkwy., 

Room 6N–321, Fort Worth, TX 76177. For 

information on the availability of this 

material at the FAA, call (817) 222–5110. 

This material may be found in the AD docket 

on the internet at https://

www.regulations.gov by searching for and 

locating Docket No. FAA–2021–0265. 

(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 fedreg.legal@

nara.gov, or go to https://www.archives.gov/ 

federal-register/cfr/ibr-locations.html. 

Issued on June 4, 2021. 

Gaetano A. Sciortino, 

Deputy Director for Strategic Initiatives, 

Compliance & Airworthiness Division, 

Aircraft Certification Service. 

[FR Doc. 2021–13710 Filed 6–28–21; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 39 

[Docket No. FAA–2021–0304; Project 

Identifier 2017–SW–108–AD; Amendment 

39–21606; AD 2021–13–01] 

RIN 2120–AA64 

Airworthiness Directives; Leonardo 

S.p.a. (Type Certificates Previously 

Held by Agusta S.p.A. and 

AgustaWestland S.p.A.) Helicopters 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: The FAA is adopting a new 

airworthiness directive (AD) for 

Leonardo S.p.a. (Type Certificate 

previously held by Agusta S.p.A.) 

Model AB139 and AW139 helicopters 

and Leonardo S.p.a. (Type Certificate 

previously held by AgustaWestland 

S.p.A.) Model AW189 helicopters. This 

AD was prompted by reports of missing 

lock wire and loose fasteners. This AD 

requires a one-time inspection of the 

main rotor (M/R) slip ring and 

depending on the outcome, removing 

the M/R slip ring from service, removing 

screws and washers from service, 


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34128 Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Rules and Regulations 

applying torque, installing lock wire, 

and re-identifying the M/R slip ring. 

This AD also prohibits the installation 

of certain M/R slip rings. The FAA is 

issuing this AD to address the unsafe 

condition on these products. 

DATES: This AD is effective August 3, 

2021. 

The Director of the Federal Register 

approved the incorporation by reference 

of certain documents listed in this AD 

as of August 3, 2021. 

ADDRESSES: For Leonardo Helicopters 

and Moog service information identified 

in this final rule, contact Leonardo 

S.p.A. Helicopters, Emanuele Bufano, 

Head of Airworthiness, Viale G.Agusta 

520, 21017 C.Costa di Samarate (Va) 

Italy; telephone +39–0331–225074; fax 

+39–0331–229046; or at https://

www.leonardocompany.com/en/home. 

You may view the referenced service 

information at the FAA, Office of the 

Regional Counsel, Southwest Region, 

10101 Hillwood Pkwy, Room 6N–321, 

Fort Worth, TX 76177. Service 

information that is incorporated by 

reference is also available at https://

www.regulations.gov by searching for 

and locating Docket No. FAA–2021– 

0304. 

Examining the AD Docket 

You may examine the AD docket at 

https://www.regulations.gov by 

searching for and locating Docket No. 

FAA–2021–0304; 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 

final rule, the European Aviation Safety 

Agency (now European Union Aviation 

Safety Agency) (EASA) ADs, any 

comments received, and other 

information. The street address for 

Docket Operations is U.S. Department of 

Transportation, Docket Operations, M– 

30, West Building Ground Floor, Room 

W12–140, 1200 New Jersey Avenue SE, 

Washington, DC 20590. 

FOR FURTHER INFORMATION CONTACT: 

Steven Warwick, Aerospace Engineer, 

Certification Section, Fort Worth ACO 

Branch, Compliance & Airworthiness 

Division, 10101 Hillwood Pkwy., Fort 

Worth, TX 76177; telephone (817) 222– 

5225; email steven.r.warwick@faa.gov.. 

SUPPLEMENTARY INFORMATION: 

Background 

The FAA issued a notice of proposed 

rulemaking (NPRM) to amend 14 CFR 

part 39 by adding an AD that would 

apply to Leonardo S.p.a. (Type 

Certificate previously held by Agusta 

S.p.A.) Model AB139 and AW139 

helicopters and Leonardo S.p.a. (Type 

Certificate previously held by 

AgustaWestland S.p.A.) Model AW189 

helicopters with an M/R slip ring part 

number (P/N) 4G6220V00151 with a 

serial number (S/N) up to and including 

S/N 0141, except those marked with an 

‘‘L’’ following the S/N, installed. The 

NPRM published in the Federal 

Register on April 19, 2021 (86 FR 

20338). In the NPRM, the FAA proposed 

to require, with the M/R slip ring 

removed, inspecting each screw and 

double-twist lock wire of the upper 

(connecter) end and lower (pigtail or 

standpipe) end fasteners of the M/R slip 

ring. Depending on the outcome, the 

NPRM proposed to require marking the 

M/R slip ring; removing the M/R slip 

ring from service; or removing screws 

and washers, lock wire, and ferrule 

ended safety cable from service, 

installing new screws and washers, 

applying torque, installing double-twist 

lock wire, and marking the M/R slip 

ring. The NPRM also proposed to 

prohibit the installation of an affected 

M/R slip ring unless the proposed 

requirements have been completed. The 

NPRM was prompted by EASA AD 

2017–0083, dated May 10, 2017 (EASA 

AD 2017–0083), to correct an unsafe 

condition for Leonardo S.p.A. (formerly 

Finmeccanica S.p.A, AgustaWestland 

S.p.A., Agusta S.p.A), AgustaWestland 

Philadelphia Corporation (formerly 

Agusta Aerospace Corporation) Model 

AB139 and AW139 helicopters, and 

EASA AD 2017–0087, dated May 12, 

2017 (EASA AD 2017–0087), to correct 

the same unsafe condition for Leonardo 

S.p.A. Helicopters (formerly 

Finmeccanica S.p.A, AgustaWestland 

S.p.A.) Model AW189 helicopters, each 

issued by EASA, which is the Technical 

Agent for the Member States of the 

European Union. EASA advises of 

reports of missing lock wire and loose 

fasteners found during inspections of 

the M/R slip ring of Model AW139 

helicopters. EASA also advises that the 

same part-numbered M/R slip ring may 

also be installed on Model AW189 

helicopters. Model AB139 helicopters 

may also be affected by this unsafe 

condition due to having the same type 

design as Model AW139 helicopters. 

EASA ADs 2017–0083 and 2017–0087 

require a one-time visual inspection of 

the M/R slip ring fastener installation, 

and depending on the outcome, 

replacing the M/R slip ring, replacing 

fasteners, applying torque, installing 

lock wire, and re-identifying the M/R 

slip ring. EASA ADs 2017–0083 and 

2017–0087 also prohibit installation of 

an affected M/R slip ring. EASA states, 

this condition, if not detected and 

corrected, could lead to failure of the M/ 

R slip ring bearing inner race, possibly 

resulting in damage to drive system 

components and subsequent reduced 

control of the helicopter. 

Discussion of Final Airworthiness 

Directive 

Comments 

The FAA received no comments on 

the NPRM or on the determination of 

the costs. 

Conclusion 

These helicopters have been approved 

by EASA and are approved for operation 

in the United States. Pursuant to the 

FAA’s bilateral agreement with the 

European Union, EASA has notified the 

FAA about the unsafe condition 

described in its ADs. The FAA reviewed 

the relevant data and determined that 

air safety requires adopting this AD as 

proposed. Accordingly, the FAA is 

issuing this AD to address the unsafe 

condition on these helicopters. Except 

for minor editorial changes, this AD is 

adopted as proposed in the NPRM. 

Related Service Information Under 1 

CFR Part 51 

The FAA reviewed Leonardo 

Helicopters Alert Service Bulletin (ASB) 

No. 139–472, dated May 9, 2017 (ASB 

139–472), for Model AB139 and AW139 

helicopters, and Leonardo Helicopters 

ASB No. 189–138, dated May 12, 2017 

(ASB 189–138), for Model AW189 

helicopters. ASB 139–472 and ASB 

189–138 specify inspecting the M/R slip 

ring by following the procedures in 

Moog Service Bulletin SB 16–01, 

Revision 5, undated (SB 16–01), which 

is attached as Annex A to both ASB 

139–472 and ASB 189–138. ASB 139– 

472 and ASB 189–138 are incorporated 

by reference in this AD. SB 16–01 is not 

incorporated by reference in this AD. 

This service information 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. 

Other Related Service Information 

The FAA also reviewed SB 16–01, 

which specifies procedures to visually 

inspect the M/R slip ring upper 

(connecter) end and lower (pigtail or 

standpipe) end fastener screws and 

double-twist lock wire. 

Differences Between This AD and the 

EASA ADs 

EASA ADs 2017–0083 and 2017–0087 

include the compliance time of at the 

next M/R slip ring removal, whereas 

this AD does not because it could be 

difficult to track. This AD has a shorter 

compliance time for all affected M/R 

slip rings that have accumulated 900 or 


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Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Rules and Regulations 34129 

more total hours time-in-service, 

whereas EASA AD 2017–0087 allows a 

longer compliance time for these 

affected M/R slip rings that are installed 

on Model AW189 helicopters. EASA 

ADs 2017–0083 and 2017–0087 specify 

inspecting for the proper lock wire 

installed, while this AD specifies 

inspecting for correct installation of lock 

wire 0.20 CRES NAS 33540 P/N 

MS20995C20 (double-twist lock wire) 

and any missing double-twist lock wire. 

If a screw is missing from the inner 

diameter (the connector flange) of the 

upper end of the M/R slip ring, EASA 

ADs 2017–0083 and 2017–0087 specify 

replacing the M/R slip ring with a 

serviceable part, whereas this AD 

requires removing the M/R slip ring 

from service instead. If a screw is 

missing from the outer diameter of the 

upper end, from the inner diameter of 

the lower end (shaft extension 

attachment area), or from the outer 

diameter of the lower end, this AD 

requires installing a new screw and 

washer, applying torque, and installing 

lock wire, whereas corrective action for 

this condition is not specified in EASA 

AD 2017–0083 or 2017–0087. 

Costs of Compliance 

The FAA estimates that this AD 

affects 134 helicopters of U.S. Registry. 

Labor rates are estimated at $85 per 

work-hour. Based on these numbers, the 

FAA estimates the following costs to 

comply with this AD. 

Inspecting an M/R slip ring takes 

about 10 work-hours for an estimated 

cost of $850 per helicopter and $113,900 

for the U.S. fleet. Marking an M/R slip 

ring takes a minimal amount of time and 

parts cost a nominal amount. Replacing 

an M/R slip ring takes about 3 workhours and parts cost about $65,000 for 

an estimated cost of $65,255 per 

helicopter. Removing any ferrule ended 

safety cable; replacing screws and 

washers; applying torque; and installing 

lock wire takes about 1 work-hour and 

parts cost a nominal amount for an 

estimated cost of $85 per helicopter. 

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 helicopters 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, 

(2) Will not affect intrastate aviation 

in Alaska, and 

(3) Will not have a significant 

economic impact, positive or negative, 

on a substantial number of small entities 

under the criteria of the Regulatory 

Flexibility Act. 

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: 

2021–13–01 Leonardo S.p.a. (Type 

Certificates Previously Held by Agusta 

S.p.A. and AgustaWestland S.p.A.): 

Amendment 39–21606; Docket No. 

FAA–2021–0304; Project Identifier 

2017–SW–108–AD. 

(a) Effective Date 

This airworthiness directive (AD) is 

effective August 3, 2021. 

(b) Affected ADs 

None. 

(c) Applicability 

This AD applies to Leonardo S.p.a. (Type 

Certificate previously held by Agusta S.p.A.) 

Model AB139 and AW139 helicopters and 

Leonardo S.p.a. (Type Certificate previously 

held by AgustaWestland S.p.A.) Model 

AW189 helicopters, certificated in any 

category, with a main rotor (M/R) slip ring 

part number (P/N) 4G6220V00151 with a 

serial number (S/N) up to and including S/ 

N 0141, except those marked with an ‘‘L’’ 

following the S/N, installed. 

(d) Subject 

Joint Aircraft Service Component (JASC) 

Code: 6200, Main Rotor System. 

(e) Unsafe Condition 

This AD was prompted by reports of 

missing lock wire and loose fasteners. The 

FAA is issuing this AD to address failure of 

an M/R slip ring fastener. The unsafe 

condition, if not addressed, could result in 

failure of the M/R slip ring bearing inner 

race, reduced M/R control, and subsequent 

loss of control of the helicopter. 

(f) Compliance 

Comply with this AD within the 

compliance times specified, unless already 

done. 

(g) Required Actions 

(1) For an M/R slip ring that has 

accumulated 900 or more total hours time-inservice (TIS), within 50 hours TIS after the 

effective date of this AD; and for an M/R slip 

ring that has accumulated less than 900 total 

hours TIS, within 300 hours TIS after the 

effective date of this AD or before 

accumulating 950 total hours TIS, whichever 

occurs first: 

(i) With the M/R slip ring removed, 

visually inspect for the presence of each 

screw, the presence of any ferrule ended 

safety cable, the correct installation of lock 

wire 0.20 CRES NAS 33540 P/N 

MS20995C20 (double-twist lock wire), and 

any missing double-twist lock wire for each 

set of upper (connecter) end and lower 

(pigtail or standpipe) end fasteners of the 

M/R slip ring as depicted in Figures 1 and 

2 of Annex A to Leonardo Helicopters Alert 

Service Bulletin (ASB) No. 139–472, dated 

May 9, 2017 (ASB 139–472), or Leonardo 

Helicopters ASB No. 189–138, dated May 12, 

2017 (ASB 189–138), as applicable to your 

model helicopter. Figures 2 and 3 of Annex 

A to ASB 139–472 and ASB 189–138 also 

show examples of a ferrule ended safety 

cable installed that are not approved. 

Note 1 to paragraph (g)(1)(i): Annex A to 

ASB 139–472 and ASB 189–138 is Moog 

Service Bulletin SB 16–01, Revision 5, 

undated. 

(ii) If all of the screws are present, there is 

not any ferrule ended safety cable installed, 

the double-twist lock wire is correctly 

installed, and none of the double-twist lock 

wire is missing on each set of upper end and 

lower end fasteners of the M/R slip ring, 

before further flight, mark the letter ‘‘L’’ 

following the S/N on the identification label 

by following the Compliance Instructions, 

paragraph 3) of Annex A to ASB 139–472 or 

ASB 189–138, as applicable to your model 

helicopter. 

(iii) If a screw is missing from the inner 

diameter (the connector flange) of the upper 


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34130 Federal Register / Vol. 86, No. 122 / Tuesday, June 29, 2021 / Rules and Regulations 

end of the M/R slip ring, before further flight, 

remove the M/R slip ring from service. 

(iv) If a screw is missing from the outer 

diameter of the upper end, from the inner 

diameter of the lower end (shaft extension 

attachment area), or from the outer diameter 

of the lower end, before further flight, install 

a new screw and washer, apply a torque to 

1–1.25 Nm, and install double-twist lock 

wire by following the Compliance 

Instructions, paragraphs 9)a) through g) of 

Annex A to ASB 139–472 or ASB 189–138, 

as applicable to your model helicopter. 

(v) If any double-twist lock wire is not 

correctly installed, is missing, or if there is 

a ferrule ended safety cable installed on any 

set of upper end or lower end fasters of the 

M/R slip ring, before further flight, remove 

the incorrectly installed lock wire or ferrule 

ended safety cable from service, as 

applicable, and inspect the fastener torque by 

applying 1–1.25 Nm of torque. 

(A) If the torque of a screw installed in the 

inner diameter (the connector flange) of the 

upper end of the M/R slip ring is below 1 Nm 

of torque, do not remove or replace the 

screw, before further flight, apply a torque of 

1–1.25 Nm. 

(B) If the torque of a screw installed in the 

outer diameter of the upper end, in the inner 

diameter of the lower end (shaft extension 

attachment area), or in the outer diameter of 

the lower end is below 1 Nm of torque, before 

further flight, remove the affected screw and 

washer from service, install a new screw and 

washer, and apply a torque of 1–1.25 Nm. 

(C) Install double-twist lock wire by 

following the Compliance Instructions, 

paragraphs 9)a) through g) of Annex A to 

ASB 139–472 or ASB 189–138, as applicable 

to your model helicopter. 

(vi) Mark the letter ‘‘L’’ following the S/N 

on the identification label by following the 

Compliance Instructions, paragraph 3) of 

Annex A to ASB 139–472 or ASB 189–138, 

as applicable to your model helicopter. 

(2) As of the effective date of this AD, do 

not install an M/R slip ring identified in 

paragraph (c) of this AD unless the 

requirements of paragraph (g)(1) of this AD 

have been accomplished. 

(h) Special Flight Permits 

Special flight permits are prohibited. 

(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 (j)(1) 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. 

(j) Related Information 

(1) For more information about this AD, 

contact Steven Warwick, Aerospace 

Engineer, Certification Section, Fort Worth 

ACO Branch, Compliance & Airworthiness 

Division, 10101 Hillwood Pkwy., Fort Worth, 

TX 76177; telephone (817) 222–5225; email 

steven.r.warwick@faa.gov. 

(2) Moog Service Bulletin SB 16–01, 

Revision 5, undated, is attached as Annex A 

to both ASB 139–472 and ASB 189–138. As 

the design approval holder for the products 

identified in paragraph (c) of this AD, contact 

Leonardo Helicopters for the Moog service 

information at the contact information 

specified in paragraph (k)(3) of this AD. It is 

also available at the contact information 

specified in paragraph (k)(4) of this AD. 

(3) The subject of this AD is addressed in 

European Aviation Safety Agency (now 

European Union Aviation Safety Agency) 

(EASA) AD 2017–0083, dated May 10, 2017, 

and EASA AD 2017–0087, dated May 12, 

2017. You may view the EASA ADs at 

https://www.regulations.gov in Docket No. 

FAA–2021–0304. 

(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. 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 the AD specifies otherwise. 

(i) Leonardo Helicopters Alert Service 

Bulletin (ASB) No. 139–472, dated May 9, 

2017. 

(ii) Leonardo Helicopters ASB No. 189– 

138, dated May 12, 2017. 

(3) For Leonardo Helicopters service 

information identified in this AD, contact 

Leonardo S.p.A. Helicopters, Emanuele 

Bufano, Head of Airworthiness, Viale 

G.Agusta 520, 21017 C.Costa di Samarate 

(Va) Italy; telephone +39–0331–225074; fax 

+39–0331–229046; or at https://

www.leonardocompany.com/en/home. 

(4) You may view this service information 

at the FAA, Office of the Regional Counsel, 

Southwest Region, 10101 Hillwood Pkwy., 

Room 6N–321, Fort Worth, TX 76177. For 

information on the availability of this 

material at the FAA, call (817) 222–5110. 

(5) You may view this service information 

that is incorporated by reference at the 

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 June 8, 2021. 

Lance T. Gant, 

Director, Compliance & Airworthiness 

Division, Aircraft Certification Service. 

[FR Doc. 2021–13711 Filed 6–28–21; 8:45 am] 

BILLING CODE 4910–13–P 

DEPARTMENT OF TRANSPORTATION 

Federal Aviation Administration 

14 CFR Part 71 

[Docket No. FAA–2021–0225; Airspace 

Docket No. 20–AAL–13] 

RIN 2120–AA66 

Amendment of Class E Airspace; 

Anaktuvuk Pass, AK 

AGENCY: Federal Aviation 

Administration (FAA), DOT. 

ACTION: Final rule. 

SUMMARY: This action modifies the Class 

E airspace extending upward from 700 

feet above the surface at Anaktuvuk Pass 

Airport, Anaktuvuk Pass, AK. This 

action updates the airport’s geographic 

coordinates and removes the Anaktuvuk 

Pass NDB from the Class E5 text header 

and airspace description. The airspace 

supports instrument flight rules (IFR) 

operations at the airport. 

DATES: Effective 0901 UTC, October 7, 

2021. 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 7400.11 and publication of 

conforming amendments. 

ADDRESSES: FAA Order 7400.11E, 

Airspace Designations and Reporting 

Points, and subsequent amendments can 

be viewed online at https://

www.faa.gov//air_traffic/publications/. 

For further information, you can contact 

the Airspace Policy Group, Federal 

Aviation Administration, 800 

Independence Avenue SW, Washington, 

DC 20591; telephone: (202) 267–8783. 

The Order is also available for 

inspection at the National Archives and 

Records Administration (NARA). For 

information on the availability of FAA 

Order 7400.11E at NARA, email 

fedreg.legal@nara.gov or go to https://

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

ibr-locations.html. 

FOR FURTHER INFORMATION CONTACT: 

Matthew Van Der Wal, Federal Aviation 

Administration, Western Service Center, 

Operations Support Group, 2200 . 216th 

Street, Des Moines, WA 98198; 

telephone (206) 231–3695. 

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 


lotter on DSK11XQN23PROD with RULES1