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Federal Register / Vol. 86, No. 46 / Thursday, March 11, 2021 / Proposed Rules
use this process. As a result, EASA AD
20170177 will be incorporated by reference in the FAA final rule. This proposed AD would, therefore, require compliance with EASA AD 20170177
in its entirety, through that incorporation, except for any differences identified as exceptions in the regulatory text of this proposed AD.
Using common terms that are the same as the heading of a particular section in the EASA AD does not mean that
operators need comply only with that section. For example, where the AD
requirement refers to all required actions and compliance times, compliance with this AD requirement is not limited to the section titled Required Actions and Compliance Times in the EASA AD. Service information specified in EASA AD
20170177 that is required for compliance with EASA AD 20170177
will be available on the internet at
https www.regulations.gov by searching for and locating Docket No.
FAA20201171 after the FAA final rule is published.
Costs of Compliance The FAA estimates that this proposed AD affects 175 helicopters of U.S.
registry. The FAA estimates the following costs to comply with this proposed AD:

ESTIMATED COSTS FOR REQUIRED ACTIONS
Labor cost
Parts cost
Cost per product
Cost on U.S.
operators
2 work-hours $85 per hour = $170

$1,306

$1,476

$258,300

The FAA has received no definitive data that would enable providing cost estimates for the modification specified in this proposed AD.

The FAA estimates the following costs to do any necessary on-condition actions that would be required based on
the results of any required actions. The FAA has no way of determining the
number of helicopters that might need these on-condition actions:

ESTIMATED COSTS OF ON-CONDITION ACTION
Labor cost
Parts cost
Cost per product
2 work-hours $85 per hour = $170

$

$170

The FAA has not received any definitive data regarding the parts cost, therefore this table does not include estimated costs for parts.

According to the manufacturer, some or all of the costs of this proposed AD
may be covered under warranty, thereby reducing the cost impact on affected operators. The FAA does not control warranty coverage for affected operators.
As a result, the FAA has included all known costs in the cost estimate.

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Authority for This Rulemaking Title 49 of the United States Code specifies the FAAs 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 Agencys 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.

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Regulatory Findings The FAA determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would 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 this proposed regulation:
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 Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 14 CFR part 39 as follows:

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PART 39AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:

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

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

Airbus Helicopters Deutschland GmbH:
Docket No. FAA20201171; Product Identifier 2017SW124AD.
a Comments Due Date The FAA must receive comments by April 26, 2021.
b Affected Airworthiness Directives ADs None.
c Applicability This AD applies to Airbus Helicopters Deutschland GmbH Model MBBBK 117 C
2 and Model MBBBK 117 D2 helicopters, certificated in any category, all manufacturer serial numbers, except the Model MBB
BK117 C2e configuration.
Note 1 to paragraph c: Model MBB
BK117 C2 helicopters utilizing a Garmin 500H flight display system are designated by EASA as Model MBBBK117 C2e variants of the Model BK 117 C2 helicopters, and by the FAA as a Model MBBBK117 C2e configuration.

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