Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes, 30383-30387 [2021-11956]
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Federal Register / Vol. 86, No. 108 / Tuesday, June 8, 2021 / Rules and Regulations
send your request to your principal inspector
or local Flight Standards District Office, as
appropriate. If sending information directly
to the manager of the certification office,
send it to the attention of the person
identified in Related Information. You may
email your request to: ANE-AD-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 Nicholas Paine, Aviation Safety
Engineer, ECO Branch, FAA, 1200 District
Avenue, Burlington, MA 01803; phone: (781)
238–7742; fax: (781) 238–7199; email:
nicholas.j.paine@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 the AD specifies otherwise.
(i) International Aero Engines (IAE) NonModification Service Bulletin (NMSB) No.
V2500–ENG–72–0713, Revision 1, dated
January 26, 2021.
(ii) IAE NMSB No. V2500–E5–72–0015,
dated December 15, 2020.
(3) For IAE service information identified
in this AD, contact International Aero
Engines AG, 400 Main Street, East Hartford,
CT 06118; phone: (800) 565–0140; email:
help24@pw.utc.com; website: https://
fleetcare.pw.utc.com.
(4) You may view this service information
at FAA, Airworthiness Products Section,
Operational Safety Branch, 1200 District
Avenue, Burlington, MA 01803. For
information on the availability of this
material at the FAA, call (781) 238–7759.
(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 May 19, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness
Division, Aircraft Certification Service.
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[FR Doc. 2021–11960 Filed 6–7–21; 8:45 am]
BILLING CODE 4910–13–P
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2021–0098; Project
Identifier MCAI–2020–01121–T; Amendment
39–21564; AD 2021–11–02]
RIN 2120–AA64
Airworthiness Directives; MHI RJ
Aviation ULC (Type Certificate
Previously Held by Bombardier, Inc.)
Airplanes
Federal Aviation
Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
AGENCY:
The FAA is superseding
Airworthiness Directive (AD) 2019–22–
07, which applied to all MHI RJ
Aviation ULC Model CL–600–2B19
(Regional Jet Series 100 & 440)
airplanes, Model CL–600–2C10
(Regional Jet Series 700, 701 & 702)
airplanes, Model CL–600–2D15
(Regional Jet Series 705) airplanes,
Model CL–600–2D24 (Regional Jet
Series 900) airplanes, and Model CL–
600–2E25 (Regional Jet Series 1000)
airplanes. AD 2019–22–07 required
revising the existing airplane flight
manual (AFM) to include a limitation
and an abnormal operating procedure
for the Automatic Flight Control System
(AFCS). This AD requires revising the
existing AFM and adding airplanes to
the applicability. This AD was
prompted by a finding that the
limitation and abnormal operating
procedure did not include reference to
a certain mode. The FAA is issuing this
AD to address the unsafe condition on
these products.
DATES: This AD is effective July 13,
2021.
The Director of the Federal Register
approved the incorporation by reference
of certain publications listed in this AD
as of July 13, 2021.
ADDRESSES: For Bombardier service
information identified in this final rule,
contact MHI RJ Aviation ULC, 12655
Henri-Fabre Blvd., Mirabel, Que´bec J7N
1E1 Canada; Widebody Customer
Response Center North America toll-free
telephone +1–844–272–2720 or directdial telephone +1–514–855–8500; fax
+1–514–855–8501; email thd.crj@
mhirj.com; internet https://mhirj.com.
You may view this referenced service
information 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,
SUMMARY:
PO 00000
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30383
call 206–231–3195. It is also available
on the internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2021–
0098.
Examining the AD Docket
You may examine the AD docket on
the internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2021–
0098; 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,
any comments received, and other
information. The 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 Dzierzynski, Aerospace
Engineer, Avionics and Electrical
Systems Section, FAA, New York ACO
Branch, 1600 Stewart Avenue, Suite
410, Westbury, NY 11590; telephone
516–228–7367; email 9-avs-nyaco-cos@
faa.gov.
SUPPLEMENTARY INFORMATION:
Background
Transport Canada Civil Aviation
(TCCA), which is the aviation authority
for Canada, has issued TCCA AD CF–
2018–32R1, dated August 21, 2020 (also
referred to as the Mandatory Continuing
Airworthiness Information, or the
MCAI), to correct an unsafe condition
for all MHI RJ Aviation ULC Model CL–
600–2B19 (Regional Jet Series 100 &
440), CL–600–2C10 (Regional Jet Series
700, 701 & 702), CL–600–2C11 (Regional
Jet Series 550), CL–600–2D15 (Regional
Jet Series 705), CL–600–2D24 (Regional
Jet Series 900), and CL–600–2E25
(Regional Jet Series 1000) airplanes. You
may examine the MCAI in the AD
docket on the internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2021–
0098.
The FAA issued a notice of proposed
rulemaking (NPRM) to amend 14 CFR
part 39 to supersede AD 2019–22–07,
Amendment 39–19786 (85 FR 439,
January 6, 2020) (AD 2019–22–07). AD
2019–22–07 applied to all MHI RJ
Aviation ULC Model CL–600–2B19
(Regional Jet Series 100 & 440)
airplanes, Model CL–600–2C10
(Regional Jet Series 700, 701 & 702)
airplanes, Model CL–600–2D15
(Regional Jet Series 705) airplanes,
Model CL–600–2D24 (Regional Jet
Series 900) airplanes, and Model CL–
600–2E25 (Regional Jet Series 1000)
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Federal Register / Vol. 86, No. 108 / Tuesday, June 8, 2021 / Rules and Regulations
airplanes. The NPRM published in the
Federal Register on February 24, 2021
(86 FR 11165). The NPRM was
prompted by a finding that the
limitation and abnormal operating
procedure did not include reference to
(V) ALTV CAP mode and a finding that
the MHI RJ Aviation ULC Model CL–
600–2C11 (Regional Jet Series 550)
airplanes are also affected by the same
unsafe condition (Model CL–600–2B19
airplanes do not have (V) ALTS CAP or
(V) ALTV CAP mode). The risk of the
unsafe condition also exists during (V)
ALTV CAP mode. The NPRM proposed
to require revising the existing AFM and
adding airplanes to the applicability.
The FAA is issuing this AD to address
an engine failure, if it occurs during or
before a climb while in ALTS CAP, (V)
ALTS CAP, or (V) ALTV CAP mode,
which may cause the airspeed to drop
significantly below the safe operating
speed, possibly resulting in reduced
control of the airplane. See the MCAI for
additional background information.
Comments
The FAA gave the public the
opportunity to participate in developing
this final rule. The FAA has considered
the comment received. The Air Line
Pilots Association, International (ALPA)
stated that it supports the NPRM.
Conclusion
The FAA reviewed the relevant data,
considered the comment received, and
determined that air safety and the
public interest require adopting this
final rule as proposed, except for minor
editorial changes. The FAA has
determined that these minor changes:
• Are consistent with the intent that
was proposed in the NPRM for
addressing the unsafe condition; and
• Do not add any additional burden
upon the public than was already
proposed in the NPRM.
Related Service Information Under 1
CFR Part 51
Bombardier has issued the following
service information, which describes
procedures for revising the existing
AFM by including a limitation that
specifies a warning for the AFCS and an
abnormal operating procedure if an
engine failure occurs during or before a
climb while in ALTS CAP mode, (V)
ALTS CAP mode, or (V) ALTV CAP
mode, as applicable. These documents
are distinct since they apply to different
airplane models.
• Section 02–08, ‘‘System
Limitations,’’ of Chapter 2,
‘‘LIMITATIONS’’; and Section 05–02,
‘‘In-Flight Engine Failures,’’ of Chapter
5, ‘‘ABNORMAL PROCEDURES’’; of the
Bombardier CRJ Series Regional Jet
Model CL–600–2B19 AFM, CSP A–012,
Volume 1, Revision 73, dated January 3,
2020.
• Section 02–08, ‘‘System
Limitations,’’ of Chapter 2,
‘‘LIMITATIONS’’; and Section 05–02,
‘‘In-Flight Engine Failures,’’ of Chapter
5, ‘‘ABNORMAL PROCEDURES’’; of the
Bombardier CRJ Series Regional Jet
Model CL–600–2C10 (Series 700, 701,
702) and CL–600–2C11 (Series 550)
AFM, CSP B–012, Revision 31, dated
May 8, 2020.
• Section 02–08, ‘‘System
Limitations,’’ of Chapter 2,
‘‘LIMITATIONS’’; and Section 05–02,
‘‘In-Flight Engine Failures,’’ of Chapter
5, ‘‘ABNORMAL PROCEDURES’’; of the
Bombardier CRJ Series Regional Jet
Model CL–600–2D24 (Series 900) and
CL–600–2D15 (Series 705) AFM, CSP C–
012, Volume 1, Revision 24, dated
March 27, 2020.
• Section 02–08, ‘‘System
Limitations,’’ of Chapter 2,
‘‘LIMITATIONS’’; and Section 05–02,
‘‘In-Flight Engine Failures,’’ of Chapter
5, ‘‘ABNORMAL PROCEDURES’’; of the
Bombardier CRJ Series Regional Jet
Model CL–600–2E25 (Series 1000) AFM,
CSP D–012, Revision 23, dated February
14, 2020.
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.
Costs of Compliance
The FAA estimates that this AD
affects 992 airplanes of U.S. registry.
The FAA estimates the following
costs to comply with this AD:
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ESTIMATED COSTS FOR REQUIRED ACTIONS
Action
Labor cost
New actions ............................
1 work-hour × $85 per hour = $85 .........................................
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
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Cost per
product
Parts cost
$0
Cost on U.S.
operators
$85
$84,320
develop on products identified in this
rulemaking action.
under the criteria of the Regulatory
Flexibility Act.
Regulatory Findings
List of Subjects in 14 CFR Part 39
The FAA determined that 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
Air transportation, Aircraft, Aviation
safety, Incorporation by reference,
Safety.
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Adoption of 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.
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Federal Register / Vol. 86, No. 108 / Tuesday, June 8, 2021 / Rules and Regulations
30385
mode, which may cause the airspeed to drop
significantly below the safe operating speed,
possibly resulting in reduced control of the
airplane.
2021–11–02 MHI RJ Aviation ULC (Type
Certificate Previously Held by
Bombardier, Inc.): Amendment 39–
21564; Docket No. FAA–2021–0098;
Project Identifier MCAI–2020–01121–T.
(1) Model CL–600–2B19 (Regional Jet
Series 100 & 440) airplanes.
(2) Model CL–600–2C10 (Regional Jet
Series 700, 701 & 702) airplanes.
(3) Model CL–600–2C11 (Regional Jet
Series 550) airplanes.
(4) Model CL–600–2D15 (Regional Jet
Series 705) airplanes.
(5) Model CL–600–2D24 (Regional Jet
Series 900) airplanes.
(6) Model CL–600–2E25 (Regional Jet
Series 1000) airplanes.
(a) Effective Date
This airworthiness directive (AD) is
effective July 13, 2021.
(d) Subject
Air Transport Association (ATA) of
America Code 22, Auto Flight.
(b) Affected ADs
This AD replaces AD 2019–22–07,
Amendment 39–19786 (85 FR 439, January 6,
2020) (AD 2019–22–07).
(e) Reason
This AD was prompted by a report that
during the Automatic Flight Control System
(AFCS) ALTS CAP, (V) ALTS CAP, or (V)
ALTV CAP mode, the flight guidance/
autopilot does not account for engine failure
while capturing an altitude. The FAA is
issuing this AD to address an engine failure,
if it occurs during or before a climb while in
ALTS CAP, (V) ALTS CAP, or (V) ALTV CAP
Within 60 days after the effective date of
this AD: Revise the existing AFM to include
the information in Subject 2, ‘‘AUTOMATIC
FLIGHT CONTROL SYSTEM (AFCS),’’ of
Section 02–08, ‘‘System Limitations,’’ of
Chapter 2, ‘‘LIMITATIONS’’; and Subject 1.C,
‘‘Engine Failure in Climb During ALTS
CAP,’’ or Subject 1.D, ‘‘Engine Failure in
Climb During (V) ALTS CAP or (V) ALTV
CAP,’’ of Section 05–02, ‘‘In-flight Engine
Failures,’’ of Chapter 5, ‘‘ABNORMAL
PROCEDURES’’; as applicable; of the
applicable AFM identified in figure 1 to
paragraph (g) of this AD.
§ 39.13
[Amended]
2. The FAA amends § 39.13 by:
a. Removing Airworthiness Directive
(AD) 2019–22–07, Amendment 39–
19786 (85 FR 439, January 6, 2020); and
■ b. Adding the following new AD:
■
■
(c) Applicability
This AD applies to the MHI RJ Aviation
ULC airplanes identified in paragraphs (c)(1)
through (6) of this AD, certificated in any
category, all manufacturer serial numbers.
(f) Compliance
Comply with this AD within the
compliance times specified, unless already
done.
(g) Revision of the Airplane Flight Manual
(AFM)
Figure 1 to paragraph (g) - AFM Revision
CL-600-2B 19
CL-600-2C10
CL-600-2Cll
Bombardier CRJ Series Regional Jet
Model CL-600-2C10 (Series 700, 701,
702) and CL-600-2Cl 1 (Series 550)
AFM, CSP B-012
Revision 31, dated
May 8, 2020
CL-600-2D24
Bombardier CRJ Series Regional Jet
Model CL-600-2D24 (Series 900) and
CL-600-2D15 (Series 705) AFM, CSP
C-012, Volume 1
Revision 24, dated
March 27, 2020
CL-600-2E25
Bombardier CRJ Series Regional Jet
Model CL-600-2E25 (Series 1000)
AFM, CSP D-012
Revision 23, dated
February 14, 2020
(h) Credit for Previous Actions
This paragraph provides credit for actions
required by paragraph (g) of this AD, if those
VerDate Sep<11>2014
AFM Revision
Bombardier CRJ Series Regional Jet
Revision 73, dated
Model CL-600-2B19 AFM, CSP A-012,
January 3, 2020
Volume 1
CL-600-2D15
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Bombardier AFM
15:53 Jun 07, 2021
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actions were performed before the effective
date of this AD, using the applicable AFM
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specified in figure 2 to paragraph (h) of this
AD.
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MHI RJ Aviation
ULC Airplane
Model
30386
Federal Register / Vol. 86, No. 108 / Tuesday, June 8, 2021 / Rules and Regulations
Figure 2 to paragraph (h) - Credit for Previous AFM Revision
CL-600-2B 19
CL-600-2C10
CL-600-2Cll
CL-600-2D15
CL-600-2D24
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CL-600-2E25
Bombardier CRJ Series Regional Jet
Model CL-600-2B19 AFM, CSP
A-012, Volume 1
Revision 68, dated
August 4, 2017
Revision 29, dated
September 20, 2019
Bombardier CRJ Series Regional Jet
Model CL-600-2D24 (Series 900) and
CL-600-2D15 (Series 705) AFM, CSP
C-012, Volume 1
Revision 22, June 7,
2019
Bombardier CRJ Series Regional Jet
Model CL-600-2E25 (Series 1000)
AFM, CSP D-012
Revision 22, dated
September 6, 2019
(j) Related Information
(1) Refer to Mandatory Continuing
Airworthiness Information (MCAI) TCCA AD
15:53 Jun 07, 2021
Revision 70, dated
July 13, 2018; or
Bombardier CRJ Series Regional Jet
Model CL-600-2C10 (Series 700, 701,
702) and CL-600-2Cl 1 (Series 550)
AFM, CSP B-012
(i) Other FAA AD Provisions
(1) Alternative Methods of Compliance
(AMOCs): The Manager, New York ACO
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 manager of the certification office,
send it to ATTN: Program Manager,
Continuing Operational Safety, FAA, New
York ACO Branch, 1600 Stewart Avenue,
Suite 410, Westbury, NY 11590; telephone
516–228–7300; fax 516–794–5531. 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, New York ACO Branch,
FAA; or Transport Canada Civil Aviation
(TCCA); or MHI RJ Aviation ULC’s TCCA
Design Approval Organization (DAO). If
approved by the DAO, the approval must
include the DAO-authorized signature.
VerDate Sep<11>2014
CRJ Series Regional Jet
AFM Revision
Bombardier AFM
Jkt 253001
CF–2018–32R1, dated August 21, 2020, for
related information. This MCAI may be
found in the AD docket on the internet at
https://www.regulations.gov by searching for
and locating Docket No. FAA–2021–0098.
(2) For more information about this AD,
contact Steven Dzierzynski, Aerospace
Engineer, Avionics and Electrical Systems
Section, FAA, New York ACO Branch, 1600
Stewart Avenue, Suite 410, Westbury, NY
11590; telephone 516–228–7367; email 9-avsnyaco-cos@faa.gov.
(3) Service information identified in this
AD that is not incorporated by reference is
available at the addresses specified in
paragraphs (k)(3) and (4) of this AD.
(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) Section 02–08, ‘‘System Limitations,’’ of
Chapter 2, ‘‘LIMITATIONS,’’ of Bombardier
CRJ Series Regional Jet Model CL–600–2B19
Airplane Flight Manual (AFM), CSP A–012,
Volume 1, Revision 73, dated January 3,
2020.
(ii) Section 05–02, ‘‘In-flight Engine
Failures,’’ of Chapter 5, ‘‘ABNORMAL
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PROCEDURES,’’ of Bombardier CRJ Series
Regional Jet Model CL–600–2B19 Airplane
Flight Manual (AFM), CSP A–012, Volume 1,
Revision 73, dated January 3, 2020.
(iii) Section 02–08, ‘‘System Limitations,’’
of Chapter 2, ‘‘LIMITATIONS,’’ of
Bombardier CRJ Series Regional Jet Model
CL–600–2C10 (Series 700, 701, 702) and CL–
600–2C11 (Series 550) AFM, CSP B–012,
Revision 31, dated May 8, 2020.
(iv) Section 05–02, ‘‘In-flight Engine
Failures,’’ of Chapter 5, ‘‘ABNORMAL
PROCEDURES,’’ of Bombardier CRJ Series
Regional Jet Model CL–600–2C10 (Series 700,
701, 702) and CL–600–2C11 (Series 550)
AFM, CSP B–012, Revision 31, dated May 8,
2020.
(v) Section 02–08, ‘‘System Limitations,’’ of
Chapter 2, ‘‘LIMITATIONS,’’ of Bombardier
CRJ Series Regional Jet Model CL–600–2D24
(Series 900) and Model CL–600–2D15 (Series
705) AFM, CSP C–012, Volume 1, Revision
24, dated March 27, 2020.
(vi) Section 05–02, ‘‘In-flight Engine
Failures,’’ of Chapter 5, ‘‘ABNORMAL
PROCEDURES,’’ of Bombardier CRJ Series
Regional Jet Model CL–600–2D24 (Series
900) and Model CL–600–2D15 (Series 705)
AFM, CSP C–012, Volume 1, Revision 24,
dated March 27, 2020.
(vii) Section 02–08, ‘‘System Limitations,’’
of Chapter 2, ‘‘LIMITATIONS,’’ of
Bombardier CRJ Series Regional Jet Model
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MHI RJ Aviation
ULC Airplane
Model
Federal Register / Vol. 86, No. 108 / Tuesday, June 8, 2021 / Rules and Regulations
CL–600–2E25 (Series 1000) AFM, CSP D–
012, Revision 23, dated February 14, 2020.
(viii) Section 05–02, ‘‘In-flight Engine
Failures,’’ of Chapter 5, ‘‘ABNORMAL
PROCEDURES,’’ of Bombardier CRJ Series
Regional Jet Model CL–600–2E25 (Series
1000) AFM, CSP D–012, Revision 23, dated
February 14, 2020.
(3) For Bombardier service information
identified in this AD, contact MHI RJ
Aviation ULC, 12655 Henri-Fabre Blvd.,
Mirabel, Que´bec J7N 1E1 Canada; Widebody
Customer Response Center North America
toll-free telephone +1–844–272–2720 or
direct-dial telephone +1–514–855–8500; fax
+1–514–855–8501; email thd.crj@mhirj.com;
internet https://mhirj.com.
(4) You may view this service information
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.
(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/ibrlocations.html.
Issued on May 11, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness
Division, Aircraft Certification Service.
[FR Doc. 2021–11956 Filed 6–7–21; 8:45 am]
BILLING CODE 4910–13–P
ENVIRONMENTAL PROTECTION
AGENCY
40 CFR Part 52
Approval and Promulgation of
Implementation Plans; North Dakota;
Revisions to Air Pollution Control
Rules; Regional Haze
Environmental Protection
Agency (EPA).
ACTION: Final rule.
AGENCY:
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This rule is effective on July 8,
2021.
The EPA has established a
docket for this action under Docket ID
No. EPA–R08–OAR–2021–0002. All
documents in the docket are listed on
the https://www.regulations.gov website.
Although listed in the index, some
information is not publicly available,
e.g., CBI or other information whose
disclosure is restricted by statute.
Certain other material, such as
copyrighted material, is not placed on
the internet and will be publicly
available only in hard copy form.
Publicly available docket materials are
available through https://
www.regulations.gov, or please contact
the person identified in the FOR FURTHER
INFORMATION CONTACT section for
additional availability information.
ADDRESSES:
Jkt 253001
Jaslyn Dobrahner, Air and Radiation
Division, EPA, Region 8, Mailcode
8ARD–IO, 1595 Wynkoop Street,
Denver, Colorado 80202–1129, (303)
312–6252, dobrahner.jaslyn@epa.gov.
SUPPLEMENTARY INFORMATION:
Throughout this document ‘‘we,’’ ‘‘us,’’
and ‘‘our’’ means the EPA.
I. Background
The Environmental Protection
Agency (EPA) is finalizing approval on
a revision to the North Dakota State
Implementation Plan (SIP) submitted by
the State of North Dakota on November
11, 2016 and supplemented on March
15, 2021, that addresses amendments to
the regional haze provisions of the
North Dakota Administrative Code
(NDAC). These revisions were
submitted to remove certain regional
haze requirements related to Best
Available Retrofit Technology (BART)
in the first planning period. EPA is also
finalizing approval on a revision to the
North Dakota SIP submitted on August
SUMMARY:
15:53 Jun 07, 2021
DATES:
FOR FURTHER INFORMATION CONTACT:
[EPA–R08–OAR–2021–0002; FRL–10024–
54–Region 8]
VerDate Sep<11>2014
3, 2020, that addresses additional
amendments to the regional haze
provisions of the NDAC. The 2020 SIP
revision was submitted to update the
incorporation by reference date for
regional haze definitions, add emission
reduction requirements to make
reasonable progress during the second
and subsequent regional haze planning
periods, and revise the regional haze
monitoring, recordkeeping, and
reporting requirements to be applicable
under the second and subsequent
planning period. EPA is taking this
action pursuant to section 110 and Part
C of the Clean Air Act (CAA).
The background for this action is
discussed in detail in our April 1, 2021
proposal (86 FR 17101). In that
document we proposed to approve
North Dakota’s regional haze SIP
revision submitted by the State of North
Dakota on November 11, 2016 and
supplemented on March 15, 2021.
Specifically, we proposed to approve
North Dakota’s removal of NDAC
section 33–15–25–02.1 (requirement
pertaining to the submittal of a regional
haze BART analysis) and section 33–15–
25–03 (requirement that references the
federal guidelines for BART
determinations under the regional haze
PO 00000
Frm 00013
Fmt 4700
Sfmt 4700
30387
rule) from the regional haze provisions
provided in NDAC section 33–15–25.1
We also proposed to approve a
portion of North Dakota’s August 3,
2020, SIP revision that addresses NDAC
section 33.1–15–25 of the Air Pollution
Control Rules for regional haze.2
Specifically, we proposed to approve
the following revisions to NDAC:
Section 33.1–15–25–01 which updates
the incorporation by reference date for
regional haze definitions; section 33.1–
15–25–03 which adds emission
reduction requirements to make
reasonable progress for the second and
subsequent planning periods; and
section 33.1–15–25–04 which revises
the regional haze monitoring,
recordkeeping, and reporting
requirements to be applicable to sources
under the second and subsequent
planning periods.
We did not receive any comments on
the proposed rule.
II. Final Action
In this action, EPA is finalizing
approval on SIP amendments to North
Dakota Air Pollution Control Rules,
shown in Table 1, submitted by the
State of North Dakota on November 11,
2016, and supplemented March 15,
2021, and August 3, 2020.
TABLE 1—LIST OF NORTH DAKOTA
AMENDMENTS THAT EPA IS APPROVING
Amended Sections in the November 11, 2016
Submittal, Supplemented March 15, 2021
NDAC section 33–15–25–02.1,3 NDAC section 33–
15–25–03.4
Amended Sections in the August 3, 2020
Submittal
NDAC section 33.1–15–25–01, NDAC section 33.1–
15–25–03, NDAC section 33.1–15–25–04.
III. Incorporation by Reference
In this document, EPA is finalizing
regulatory text that includes
incorporation by reference. In
accordance with requirements of 1 CFR
51.5, EPA is finalizing the incorporation
1 On August 6, 2018, North Dakota submitted a
SIP to EPA that recodified the Air Pollution Control
Rules, including those that address regional haze,
from NDAC section 33–15 to NDAC section 33.1–
15. EPA approved the recodification on February 5,
2019 (84 FR 1610). The recodification made the
regional haze section of NDAC to be changed from
section 33–15–25 to section 33.1–15–25. The 2018
SIP reflected the deletions of section 33.1–15–25–
02.1 and section 33.1–15.25–03 (formerly referred
to as section 33–15–25–02.1 and section 33–15–25–
03).
2 EPA will act on the remaining portions of the
ND August 3, 2020, SIP in a separate future
rulemaking.
3 Since North Dakota’s NDAC recodification in
2018, section 33–15–25–02.1 is referred to as
section 33.1–15–25–02.1.
4 Since North Dakota’s NDAC recodification in
2018, section 33–15–25–03 is referred to as section
33.1–15–25–03.
E:\FR\FM\08JNR1.SGM
08JNR1
]]>Agencies
[Federal Register Volume 86, Number 108 (Tuesday, June 8, 2021)]
[Rules and Regulations]
[Pages 30383-30387]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2021-11956]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2021-0098; Project Identifier MCAI-2020-01121-T;
Amendment 39-21564; AD 2021-11-02]
RIN 2120-AA64
Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate
Previously Held by Bombardier, Inc.) Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: The FAA is superseding Airworthiness Directive (AD) 2019-22-
07, which applied to all MHI RJ Aviation ULC Model CL-600-2B19
(Regional Jet Series 100 & 440) airplanes, Model CL-600-2C10 (Regional
Jet Series 700, 701 & 702) airplanes, Model CL-600-2D15 (Regional Jet
Series 705) airplanes, Model CL-600-2D24 (Regional Jet Series 900)
airplanes, and Model CL-600-2E25 (Regional Jet Series 1000) airplanes.
AD 2019-22-07 required revising the existing airplane flight manual
(AFM) to include a limitation and an abnormal operating procedure for
the Automatic Flight Control System (AFCS). This AD requires revising
the existing AFM and adding airplanes to the applicability. This AD was
prompted by a finding that the limitation and abnormal operating
procedure did not include reference to a certain mode. The FAA is
issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective July 13, 2021.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of July 13,
2021.
ADDRESSES: For Bombardier service information identified in this final
rule, contact MHI RJ Aviation ULC, 12655 Henri-Fabre Blvd., Mirabel,
Qu[eacute]bec J7N 1E1 Canada; Widebody Customer Response Center North
America toll-free telephone +1-844-272-2720 or direct-dial telephone
+1-514-855-8500; fax +1-514-855-8501; email [email protected]; internet
https://mhirj.com. You may view this referenced service information 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 on the internet at https://www.regulations.gov by searching
for and locating Docket No. FAA-2021-0098.
Examining the AD Docket
You may examine the AD docket on the internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2021-
0098; 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, any comments received, and other information. The
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 Dzierzynski, Aerospace
Engineer, Avionics and Electrical Systems Section, FAA, New York ACO
Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone
516-228-7367; email [email protected].
SUPPLEMENTARY INFORMATION:
Background
Transport Canada Civil Aviation (TCCA), which is the aviation
authority for Canada, has issued TCCA AD CF-2018-32R1, dated August 21,
2020 (also referred to as the Mandatory Continuing Airworthiness
Information, or the MCAI), to correct an unsafe condition for all MHI
RJ Aviation ULC Model CL-600-2B19 (Regional Jet Series 100 & 440), CL-
600-2C10 (Regional Jet Series 700, 701 & 702), CL-600-2C11 (Regional
Jet Series 550), CL-600-2D15 (Regional Jet Series 705), CL-600-2D24
(Regional Jet Series 900), and CL-600-2E25 (Regional Jet Series 1000)
airplanes. You may examine the MCAI in the AD docket on the internet at
https://www.regulations.gov by searching for and locating Docket No.
FAA-2021-0098.
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 to supersede AD 2019-22-07, Amendment 39-19786 (85 FR 439,
January 6, 2020) (AD 2019-22-07). AD 2019-22-07 applied to all MHI RJ
Aviation ULC Model CL-600-2B19 (Regional Jet Series 100 & 440)
airplanes, Model CL-600-2C10 (Regional Jet Series 700, 701 & 702)
airplanes, Model CL-600-2D15 (Regional Jet Series 705) airplanes, Model
CL-600-2D24 (Regional Jet Series 900) airplanes, and Model CL-600-2E25
(Regional Jet Series 1000)
[[Page 30384]]
airplanes. The NPRM published in the Federal Register on February 24,
2021 (86 FR 11165). The NPRM was prompted by a finding that the
limitation and abnormal operating procedure did not include reference
to (V) ALTV CAP mode and a finding that the MHI RJ Aviation ULC Model
CL-600-2C11 (Regional Jet Series 550) airplanes are also affected by
the same unsafe condition (Model CL-600-2B19 airplanes do not have (V)
ALTS CAP or (V) ALTV CAP mode). The risk of the unsafe condition also
exists during (V) ALTV CAP mode. The NPRM proposed to require revising
the existing AFM and adding airplanes to the applicability. The FAA is
issuing this AD to address an engine failure, if it occurs during or
before a climb while in ALTS CAP, (V) ALTS CAP, or (V) ALTV CAP mode,
which may cause the airspeed to drop significantly below the safe
operating speed, possibly resulting in reduced control of the airplane.
See the MCAI for additional background information.
Comments
The FAA gave the public the opportunity to participate in
developing this final rule. The FAA has considered the comment
received. The Air Line Pilots Association, International (ALPA) stated
that it supports the NPRM.
Conclusion
The FAA reviewed the relevant data, considered the comment
received, and determined that air safety and the public interest
require adopting this final rule as proposed, except for minor
editorial changes. The FAA has determined that these minor changes:
Are consistent with the intent that was proposed in the
NPRM for addressing the unsafe condition; and
Do not add any additional burden upon the public than was
already proposed in the NPRM.
Related Service Information Under 1 CFR Part 51
Bombardier has issued the following service information, which
describes procedures for revising the existing AFM by including a
limitation that specifies a warning for the AFCS and an abnormal
operating procedure if an engine failure occurs during or before a
climb while in ALTS CAP mode, (V) ALTS CAP mode, or (V) ALTV CAP mode,
as applicable. These documents are distinct since they apply to
different airplane models.
Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS''; and Section 05-02, ``In-Flight Engine Failures,'' of
Chapter 5, ``ABNORMAL PROCEDURES''; of the Bombardier CRJ Series
Regional Jet Model CL-600-2B19 AFM, CSP A-012, Volume 1, Revision 73,
dated January 3, 2020.
Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS''; and Section 05-02, ``In-Flight Engine Failures,'' of
Chapter 5, ``ABNORMAL PROCEDURES''; of the Bombardier CRJ Series
Regional Jet Model CL-600-2C10 (Series 700, 701, 702) and CL-600-2C11
(Series 550) AFM, CSP B-012, Revision 31, dated May 8, 2020.
Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS''; and Section 05-02, ``In-Flight Engine Failures,'' of
Chapter 5, ``ABNORMAL PROCEDURES''; of the Bombardier CRJ Series
Regional Jet Model CL-600-2D24 (Series 900) and CL-600-2D15 (Series
705) AFM, CSP C-012, Volume 1, Revision 24, dated March 27, 2020.
Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS''; and Section 05-02, ``In-Flight Engine Failures,'' of
Chapter 5, ``ABNORMAL PROCEDURES''; of the Bombardier CRJ Series
Regional Jet Model CL-600-2E25 (Series 1000) AFM, CSP D-012, Revision
23, dated February 14, 2020.
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.
Costs of Compliance
The FAA estimates that this AD affects 992 airplanes of U.S.
registry.
The FAA estimates the following costs to comply with this AD:
Estimated Costs for Required Actions
----------------------------------------------------------------------------------------------------------------
Cost per Cost on U.S.
Action Labor cost Parts cost product operators
----------------------------------------------------------------------------------------------------------------
New actions........................ 1 work-hour x $85 per hour $0 $85 $84,320
= $85.
----------------------------------------------------------------------------------------------------------------
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
The FAA determined that 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.
Adoption of 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
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
[[Page 30385]]
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by:
0
a. Removing Airworthiness Directive (AD) 2019-22-07, Amendment 39-19786
(85 FR 439, January 6, 2020); and
0
b. Adding the following new AD:
2021-11-02 MHI RJ Aviation ULC (Type Certificate Previously Held by
Bombardier, Inc.): Amendment 39-21564; Docket No. FAA-2021-0098;
Project Identifier MCAI-2020-01121-T.
(a) Effective Date
This airworthiness directive (AD) is effective July 13, 2021.
(b) Affected ADs
This AD replaces AD 2019-22-07, Amendment 39-19786 (85 FR 439,
January 6, 2020) (AD 2019-22-07).
(c) Applicability
This AD applies to the MHI RJ Aviation ULC airplanes identified
in paragraphs (c)(1) through (6) of this AD, certificated in any
category, all manufacturer serial numbers.
(1) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes.
(2) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702)
airplanes.
(3) Model CL-600-2C11 (Regional Jet Series 550) airplanes.
(4) Model CL-600-2D15 (Regional Jet Series 705) airplanes.
(5) Model CL-600-2D24 (Regional Jet Series 900) airplanes.
(6) Model CL-600-2E25 (Regional Jet Series 1000) airplanes.
(d) Subject
Air Transport Association (ATA) of America Code 22, Auto Flight.
(e) Reason
This AD was prompted by a report that during the Automatic
Flight Control System (AFCS) ALTS CAP, (V) ALTS CAP, or (V) ALTV CAP
mode, the flight guidance/autopilot does not account for engine
failure while capturing an altitude. The FAA is issuing this AD to
address an engine failure, if it occurs during or before a climb
while in ALTS CAP, (V) ALTS CAP, or (V) ALTV CAP mode, which may
cause the airspeed to drop significantly below the safe operating
speed, possibly resulting in reduced control of the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Revision of the Airplane Flight Manual (AFM)
Within 60 days after the effective date of this AD: Revise the
existing AFM to include the information in Subject 2, ``AUTOMATIC
FLIGHT CONTROL SYSTEM (AFCS),'' of Section 02-08, ``System
Limitations,'' of Chapter 2, ``LIMITATIONS''; and Subject 1.C,
``Engine Failure in Climb During ALTS CAP,'' or Subject 1.D,
``Engine Failure in Climb During (V) ALTS CAP or (V) ALTV CAP,'' of
Section 05-02, ``In-flight Engine Failures,'' of Chapter 5,
``ABNORMAL PROCEDURES''; as applicable; of the applicable AFM
identified in figure 1 to paragraph (g) of this AD.
[GRAPHIC] [TIFF OMITTED] TR08JN21.015
(h) Credit for Previous Actions
This paragraph provides credit for actions required by paragraph
(g) of this AD, if those actions were performed before the effective
date of this AD, using the applicable AFM specified in figure 2 to
paragraph (h) of this AD.
[[Page 30386]]
[GRAPHIC] [TIFF OMITTED] TR08JN21.016
(i) Other FAA AD Provisions
(1) Alternative Methods of Compliance (AMOCs): The Manager, New
York ACO 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 manager of the certification
office, send it to ATTN: Program Manager, Continuing Operational
Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; telephone 516-228-7300; fax 516-794-5531. 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, New York ACO
Branch, FAA; or Transport Canada Civil Aviation (TCCA); or MHI RJ
Aviation ULC's TCCA Design Approval Organization (DAO). If approved
by the DAO, the approval must include the DAO-authorized signature.
(j) Related Information
(1) Refer to Mandatory Continuing Airworthiness Information
(MCAI) TCCA AD CF-2018-32R1, dated August 21, 2020, for related
information. This MCAI may be found in the AD docket on the internet
at https://www.regulations.gov by searching for and locating Docket
No. FAA-2021-0098.
(2) For more information about this AD, contact Steven
Dzierzynski, Aerospace Engineer, Avionics and Electrical Systems
Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; telephone 516-228-7367; email [email protected].
(3) Service information identified in this AD that is not
incorporated by reference is available at the addresses specified in
paragraphs (k)(3) and (4) of this AD.
(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) Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS,'' of Bombardier CRJ Series Regional Jet Model CL-600-
2B19 Airplane Flight Manual (AFM), CSP A-012, Volume 1, Revision 73,
dated January 3, 2020.
(ii) Section 05-02, ``In-flight Engine Failures,'' of Chapter 5,
``ABNORMAL PROCEDURES,'' of Bombardier CRJ Series Regional Jet Model
CL-600-2B19 Airplane Flight Manual (AFM), CSP A-012, Volume 1,
Revision 73, dated January 3, 2020.
(iii) Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS,'' of Bombardier CRJ Series Regional Jet Model CL-600-
2C10 (Series 700, 701, 702) and CL-600-2C11 (Series 550) AFM, CSP B-
012, Revision 31, dated May 8, 2020.
(iv) Section 05-02, ``In-flight Engine Failures,'' of Chapter 5,
``ABNORMAL PROCEDURES,'' of Bombardier CRJ Series Regional Jet Model
CL-600-2C10 (Series 700, 701, 702) and CL-600-2C11 (Series 550) AFM,
CSP B-012, Revision 31, dated May 8, 2020.
(v) Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS,'' of Bombardier CRJ Series Regional Jet Model CL-600-
2D24 (Series 900) and Model CL-600-2D15 (Series 705) AFM, CSP C-012,
Volume 1, Revision 24, dated March 27, 2020.
(vi) Section 05-02, ``In-flight Engine Failures,'' of Chapter 5,
``ABNORMAL PROCEDURES,'' of Bombardier CRJ Series Regional Jet Model
CL-600-2D24 (Series 900) and Model CL-600-2D15 (Series 705) AFM, CSP
C-012, Volume 1, Revision 24, dated March 27, 2020.
(vii) Section 02-08, ``System Limitations,'' of Chapter 2,
``LIMITATIONS,'' of Bombardier CRJ Series Regional Jet Model
[[Page 30387]]
CL-600-2E25 (Series 1000) AFM, CSP D-012, Revision 23, dated
February 14, 2020.
(viii) Section 05-02, ``In-flight Engine Failures,'' of Chapter
5, ``ABNORMAL PROCEDURES,'' of Bombardier CRJ Series Regional Jet
Model CL-600-2E25 (Series 1000) AFM, CSP D-012, Revision 23, dated
February 14, 2020.
(3) For Bombardier service information identified in this AD,
contact MHI RJ Aviation ULC, 12655 Henri-Fabre Blvd., Mirabel,
Qu[eacute]bec J7N 1E1 Canada; Widebody Customer Response Center
North America toll-free telephone +1-844-272-2720 or direct-dial
telephone +1-514-855-8500; fax +1-514-855-8501; email
[email protected]; internet https://mhirj.com.
(4) You may view this service information 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.
(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 [email protected], or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html.
Issued on May 11, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness Division, Aircraft Certification
Service.
[FR Doc. 2021-11956 Filed 6-7-21; 8:45 am]
BILLING CODE 4910-13-P
