Rule2024-05475

Airworthiness Directives; Airbus Helicopters Deutschland GmbH (AHD) Helicopters

Primary source

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Published
March 15, 2024
Effective
April 19, 2024

Issuing agencies

Transportation DepartmentFederal Aviation Administration

Abstract

The FAA is adopting a new airworthiness directive (AD) for all Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, MBB-BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters. This AD was prompted by the determination that Instrument Flight Rules (IFR) screens obstruct the pilot's view. This AD requires removing certain part-numbered IFR screens, as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.

Full Text

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<title>Federal Register, Volume 89 Issue 52 (Friday, March 15, 2024)</title>
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[Federal Register Volume 89, Number 52 (Friday, March 15, 2024)]
[Rules and Regulations]
[Pages 18776-18778]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2024-05475]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 39

[Docket No. FAA-2023-2148; Project Identifier MCAI-2022-00706-R; 
Amendment 39-22680; AD 2024-04-01]
RIN 2120-AA64


Airworthiness Directives; Airbus Helicopters Deutschland GmbH 
(AHD) Helicopters

AGENCY: Federal Aviation Administration (FAA), DOT.

[[Page 18777]]


ACTION: Final rule.

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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for all 
Airbus Helicopters Deutschland GmbH (AHD) Model EC135P1, EC135P2, 
EC135P2+, EC135P3, EC135T1, EC135T2, EC135T2+, EC135T3, MBB-BK 117 C-2, 
MBB-BK 117 D-2, and MBB-BK 117 D-3 helicopters. This AD was prompted by 
the determination that Instrument Flight Rules (IFR) screens obstruct 
the pilot's view. This AD requires removing certain part-numbered IFR 
screens, as specified in a European Union Aviation Safety Agency (EASA) 
AD, which is incorporated by reference. The FAA is issuing this AD to 
address the unsafe condition on these products.

DATES: This AD is effective April 19, 2024.
    The Director of the Federal Register approved the incorporation by 
reference of a certain publication listed in this AD as of April 19, 
2024.

ADDRESSES: 
    AD Docket: You may examine the AD docket at <a href="http://regulations.gov">regulations.gov</a> under 
Docket No. FAA-2023-2148; 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.
    Material Incorporated by Reference:
    <bullet> For EASA material identified in this final rule, contact 
EASA, Konrad-Adenauer-Ufer 3, 50668 Cologne, Germany; telephone +49 221 
8999 000; email: <a href="/cdn-cgi/l/email-protection#9ddcd9eeddf8fceefcb3f8e8eff2edfcb3f8e8"><span class="__cf_email__" data-cfemail="afeeebdcefcacedcce81cadaddc0dfce81cada">[email&#160;protected]</span></a>; website: easa.europa.eu. You may 
find the EASA material on the EASA website ad.easa.europa.eu.
    <bullet> You may view this material at the FAA, Office of the 
Regional Counsel, Southwest Region, 10101 Hillwood Parkway, Room 6N-
321, Fort Worth, TX 76177. For information on the availability of this 
material at the FAA, call (817) 222-5110. It is also available at 
<a href="http://regulations.gov">regulations.gov</a> under Docket No. FAA-2023-2148.
    Other Related Service Information: For Airbus Helicopters service 
information identified in this final rule, contact Airbus Helicopters, 
2701 North Forum Drive, Grand Prairie, TX 75052; telephone (972) 641-
0000 or (800) 232-0323; fax (972) 641-3775; or website <a href="http://airbus.com/en/products-services/helicopters/hcare-services/airbusworld">airbus.com/en/products-services/helicopters/hcare-services/airbusworld</a>. You may also 
view this service information at the FAA contact information under 
Material Incorporated by Reference above.

FOR FURTHER INFORMATION CONTACT: Dan McCully, Aviation Safety Engineer, 
FAA, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 
(303) 342-1080; email <a href="/cdn-cgi/l/email-protection#98eff1f4f4f1f9f5b6f5fbfbedf4f4e1d8fef9f9b6fff7ee"><span class="__cf_email__" data-cfemail="85f2ece9e9ece4e8abe8e6e6f0e9e9fcc5e3e4e4abe2eaf3">[email&#160;protected]</span></a>.

SUPPLEMENTARY INFORMATION: 

Background

    EASA, which is the Technical Agent for the Member States of the 
European Union, has issued EASA AD 2022-0097, dated June 1, 2022 (EASA 
AD 2022-0097), to correct an unsafe condition on Airbus Helicopters 
Deutschland GmbH Model EC135 P1, EC135 P2, EC135 P2+, EC135 P3, EC135 
T1, EC135 T2, EC135 T2+, EC135 T3, EC635 P2+, EC635 P3, EC635 T1, EC635 
T2+, EC635 T3, MBB-BK117 C-2, MBB-BK117 D-2, MBB-BK117 D-3, and MBB-
BK117 D-3m helicopters.
    The FAA issued a notice of proposed rulemaking (NPRM) to amend 14 
CFR part 39 by adding an AD that would apply to all Airbus Helicopters 
Deutschland GmbH (AHD) Model EC135P1, EC135P2, EC135P2+, EC135P3, 
EC135T1, EC135T2, EC135T2+, EC135T3, MBB-BK 117 C-2, MBB-BK 117 D-2, 
and MBB-BK 117 D-3 helicopters. The NPRM published in the Federal 
Register on November 13, 2023 (88 FR 77536). The NPRM was prompted by 
the determination that IFR screens obstruct the pilot's views. These 
IFR screens may be used for IFR training. According to Airbus 
Helicopters, the IFR screens obstruct the pilot's view to the front and 
to the right. The NPRM proposed to require removing certain part-
numbered IFR screens, as specified in EASA AD 2022-0097.
    The FAA is issuing this AD to address the obstructed views, which 
could lead to reduced situational awareness of the pilot and subsequent 
mid-air collision. See EASA AD 2022-0097 for additional background 
information.

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 AD. 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. This AD is adopted as proposed in the 
NPRM.

Related Service Information Under 1 CFR Part 51

    EASA AD 2022-0097 requires removing certain part-numbered IFR 
screens and prohibits installing them on any helicopter.
    This material 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 Airbus Helicopters Alert Service Bulletin 
(ASB) EC135-25A-033, ASB EC135H-25A-007, ASB MBB-BK117 C-2-25A-022, and 
ASB MBB-BK117 D-2-25A-023, each Revision 0 and dated May 23, 2022, 
which specify procedures for removing the lower, pilot door, and upper 
IFR screens from the helicopter. This service information also 
specifies that the lower, pilot door, and upper IFR screens must not be 
installed on a helicopter and the respective maintenance manual task is 
invalid and must no longer be used.

Differences Between This AD and the EASA AD

    EASA AD 2022-0097 applies to Model EC635 P2+, EC635 P3, EC635 T1, 
EC635 T2+, EC635 T3, and MBB-BK117 D-3m helicopters, whereas this AD 
does not because those model helicopters are not FAA type-certificated 
and are not included on the U.S. type certificate data sheet except 
where the U.S. type certificate data sheet explains that the Model 
EC635T2+ helicopter having serial number 0858 was converted from Model 
EC635T2+ to Model EC135T2+.

Costs of Compliance

    The FAA estimates that this AD affects 573 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.
    Removing the IFR screens takes approximately 0.5 work-hour for an 
estimated cost of $43 per helicopter and up to $24,639 for the U.S. 
fleet.

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

[[Page 18778]]

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

    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

0
1. The authority citation for part 39 continues to read as follows:

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


Sec.  39.13  [Amended]

0
2. The FAA amends Sec.  39.13 by adding the following new airworthiness 
directive:

2024-04-01 Airbus Helicopters Deutschland GmbH (AHD): Amendment 39-
22680; Docket No. FAA-2023-2148; Project Identifier MCAI-2022-00706-
R.

(a) Effective Date

    This airworthiness directive (AD) is effective April 19, 2024.

(b) Affected ADs

    None.

(c) Applicability

    This AD applies to all Airbus Helicopters Deutschland GmbH (AHD) 
Model EC135P1, EC135P2, EC135P2+, EC135P3, EC135T1, EC135T2, 
EC135T2+, EC135T3, MBB-BK 117 C-2, MBB-BK 117 D-2, and MBB-BK 117 D-
3 helicopters, certificated in any category.
    Note 1 to paragraph (c): Helicopters with an EC135P3H 
designation are Model EC135P3 helicopters, helicopters with an 
EC135T3H designation are Model EC135T3 helicopters, and helicopters 
with an MBB-BK117 C-2e designation are Model MBB-BK117 C-2 
helicopters.

(d) Subject

    Joint Aircraft Service Component (JASC) Code: 2500, Cabin 
Equipment/Furnishings.

(e) Unsafe Condition

    This AD was prompted by the determination that Instrument Flight 
Rules (IFR) screens obstruct the pilot's views. The FAA is issuing 
this AD to address the obstructed views caused by the IFR screens. 
The unsafe condition, if not addressed, could result in reduced 
situational awareness of the pilot and subsequent mid-air collision.

(f) Compliance

    Comply with this AD within the compliance times specified, 
unless already done.

(g) Requirements

    Except as specified in paragraphs (h) and (i) of this AD: Comply 
with all required actions and compliance times specified in, and in 
accordance with, European Union Aviation Safety Agency (EASA) AD 
2022-0097, dated June 1, 2022 (EASA AD 2022-0097).

(h) Exceptions to EASA AD 2022-0097

    (1) Where EASA AD 2022-0097 refers to its effective date, this 
AD requires using the effective date of this AD.
    (2) This AD does not adopt the ``Remarks'' section of EASA AD 
2022-0097.

(i) No Reporting Requirement

    Although the service information referenced in EASA AD 2022-0097 
specifies to submit certain information to the manufacturer, this AD 
does not include that requirement.

(j) 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 (k) of 
this AD. Information may be emailed to: <a href="/cdn-cgi/l/email-protection#bf8692fee9ec92fef6ed92888c8f92fef2f0fcffd9dede91d8d0c9"><span class="__cf_email__" data-cfemail="89b0a4c8dfdaa4c8c0dba4bebab9a4c8c4c6cac9efe8e8a7eee6ff">[email&#160;protected]</span></a>.
    (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.

(k) Related Information

    For more information about this AD, contact Dan McCully, 
Aviation Safety Engineer, FAA, 1600 Stewart Avenue, Suite 410, 
Westbury, NY 11590; telephone (303) 342-1080; email 
<a href="/cdn-cgi/l/email-protection#7a0d131616131b17541719190f1616033a1c1b1b541d150c"><span class="__cf_email__" data-cfemail="9becf2f7f7f2faf6b5f6f8f8eef7f7e2dbfdfafab5fcf4ed">[email&#160;protected]</span></a>.

(l) 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 this AD specifies otherwise.
    (i) European Union Aviation Safety Agency (EASA) AD 2022-0097, 
dated June 1, 2022.
    (ii) [Reserved]
    (3) For EASA AD 2022-0097, contact EASA, Konrad-Adenauer-Ufer 3, 
50668 Cologne, Germany; telephone +49 221 8999 000; email 
<a href="/cdn-cgi/l/email-protection#0243467142676371632c6777706d72632c6777"><span class="__cf_email__" data-cfemail="38797c4b785d594b59165d4d4a574859165d4d">[email&#160;protected]</span></a>; website easa.europa.eu. You may find the EASA 
material on the EASA website ad.easa.europa.eu.
    (4) You may view this material at the FAA, Office of the 
Regional Counsel, Southwest Region, 10101 Hillwood Parkway, 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 material at the National Archives and 
Records Administration (NARA). For information on the availability 
of this material at NARA, visit <a href="http://www.archives.gov/federal-register/cfr/ibr-locations">www.archives.gov/federal-register/cfr/ibr-locations</a> or email <a href="/cdn-cgi/l/email-protection#ef899dc186819c9f8a8c9b868081af818e9d8ec1888099"><span class="__cf_email__" data-cfemail="fa9c88d49394898a9f998e939594ba949b889bd49d958c">[email&#160;protected]</span></a>.

    Issued on February 12, 2024.
Victor Wicklund,
Deputy Director, Compliance & Airworthiness Division, Aircraft 
Certification Service.
[FR Doc. 2024-05475 Filed 3-14-24; 8:45 am]
BILLING CODE 4910-13-P


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Indexed from Federal Register on March 15, 2024.

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