82_FR_16959 82 FR 16893 - Special Conditions: VT DRB Aviation Consultants, Boeing Model 777-200 Airplanes; Installation of an Airbag System in Shoulder Belts

82 FR 16893 - Special Conditions: VT DRB Aviation Consultants, Boeing Model 777-200 Airplanes; Installation of an Airbag System in Shoulder Belts

DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration

Federal Register Volume 82, Issue 66 (April 7, 2017)

Page Range16893-16895
FR Document2017-06930

These special conditions are issued for the Boeing Model 777- 200 airplane. This airplane, as modified by VT DRB Aviation Consultants (VT DRB), will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport-category airplanes. This design feature is an airbag system installed in shoulder belts. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for this design feature. These special conditions contain the additional safety standards that the Administrator considers necessary to establish a level of safety equivalent to that established by the existing airworthiness standards.

Federal Register, Volume 82 Issue 66 (Friday, April 7, 2017)
[Federal Register Volume 82, Number 66 (Friday, April 7, 2017)]
[Rules and Regulations]
[Pages 16893-16895]
From the Federal Register Online  [www.thefederalregister.org]
[FR Doc No: 2017-06930]


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DEPARTMENT OF TRANSPORTATION

Federal Aviation Administration

14 CFR Part 25

[Docket No. FAA-2017-0126; Special Conditions No. 25-654-SC]


Special Conditions: VT DRB Aviation Consultants, Boeing Model 
777-200 Airplanes; Installation of an Airbag System in Shoulder Belts

AGENCY: Federal Aviation Administration (FAA), DOT.

ACTION: Final special conditions; request for comments.

-----------------------------------------------------------------------

SUMMARY: These special conditions are issued for the Boeing Model 777-
200 airplane. This airplane, as modified by VT DRB Aviation Consultants 
(VT DRB), will have a novel or unusual design feature when compared to 
the state of technology envisioned in the airworthiness standards for 
transport-category airplanes. This design feature is an airbag system 
installed in shoulder belts. The applicable airworthiness regulations 
do not contain adequate or appropriate safety standards for this design 
feature. These special conditions contain the additional safety 
standards that the Administrator considers necessary to establish a 
level of safety equivalent to that established by the existing 
airworthiness standards.

DATES: This action is effective on VT DRB Aviation Consultants on April 
7, 2017. We must receive your comments by May 22, 2017.

ADDRESSES: Send comments identified by docket number FAA-2017-0126 
using any of the following methods:
     Federal eRegulations Portal: Go to http://www.regulations.gov/and follow the online instructions for sending your 
comments electronically.
     Mail: Send comments to Docket Operations, M-30, U.S. 
Department of Transportation (DOT), 1200 New Jersey Avenue SE., Room 
W12-140, West Building Ground Floor, Washington, DC 20590-0001.
     Hand Delivery or Courier: Take comments to Docket 
Operations in Room W12-140 of the West Building Ground Floor at 1200 
New Jersey Avenue SE., Washington, DC, between 9 a.m. and 5 p.m., 
Monday through Friday, except Federal holidays.
     Fax: Fax comments to Docket Operations at 202-493-2251.
    Privacy: The FAA will post all comments it receives, without 
change, to http://www.regulations.gov/, including any personal 
information the commenter provides. Using the search function of the 
docket Web site, anyone can find and read the electronic form of all 
comments received into any FAA docket, including the name of the 
individual sending the comment (or signing the comment for an 
association, business, labor union, etc.). DOT's complete Privacy Act 
Statement can be found in the Federal Register published on April 11, 
2000 (65 FR 19477-19478), as well as at http://DocketsInfo.dot.gov/.
    Docket: Background documents or comments received may be read at 
http://www.regulations.gov/ at any time. Follow the online instructions 
for accessing the docket or go to Docket Operations in Room W12-140 of 
the West Building Ground Floor at 1200 New Jersey Avenue SE., 
Washington, DC, between 9 a.m. and 5 p.m., Monday through Friday, 
except Federal holidays.

FOR FURTHER INFORMATION CONTACT: John Shelden, FAA, Airframe and Cabin 
Safety Branch, ANM-115, Transport Airplane Directorate, Aircraft 
Certification Service, 1601 Lind Avenue SW., Renton, Washington 98057-
3356; telephone 425-227-2785; facsimile 425-227-1320.

SUPPLEMENTARY INFORMATION: The FAA has determined that notice of, and 
opportunity for prior public comment on, these special conditions is 
impracticable because these procedures would significantly delay 
issuance of the design approval and thus delivery of the affected 
airplanes.
    In addition, the substance of these special conditions has been 
subject to the public-comment process in several prior instances with 
no substantive comments received. The FAA therefore finds that good 
cause exists for making these special conditions effective upon 
publication in the Federal Register.

Comments Invited

    We invite interested people to take part in this rulemaking by 
sending written comments, data, or views. The most helpful comments 
reference a specific portion of the special

[[Page 16894]]

conditions, explain the reason for any recommended change, and include 
supporting data.
    We will consider all comments we receive by the closing date for 
comments. We may change these special conditions based on the comments 
we receive.

Background

    On July 10, 2015, VT DRB applied for a supplemental type 
certificate to install an airbag system in shoulder belts on Boeing 
Model 777-200 airplanes. The Boeing Model 777-200 airplane, as modified 
by VT DRB, is a very-important-person (VIP) interior-design derivative 
of the Boeing Model 777 airplanes currently approved under Type 
Certificate No. T00001SE. The modified airplane will have seating for 
52 passengers and 7 crewmembers.

Type Certification Basis

    Under the provisions of Title 14, Code of Federal Regulations (14 
CFR) 21.101, VT DRB must show that the Boeing Model 777-200 airplane, 
as changed, continues to meet the applicable provisions of the 
regulations listed in Type Certificate No. T00001SE or the applicable 
regulations in effect on the date of application for the change, except 
for earlier amendments as agreed upon by the FAA.
    If the Administrator finds that the applicable airworthiness 
regulations (i.e., 14 CFR part 25) do not contain adequate or 
appropriate safety standards for the Boeing Model 777-200 airplane 
because of a novel or unusual design feature, special conditions are 
prescribed under the provisions of Sec.  21.16.
    Special conditions are initially applicable to the model for which 
they are issued. Should the applicant apply for a supplemental type 
certificate to modify any other model included on the same type 
certificate to incorporate the same novel or unusual design feature, 
these special conditions would also apply to the other model under 
Sec.  21.101.
    In addition to the applicable airworthiness regulations and special 
conditions, the Boeing Model 777-200 airplane, as changed, must comply 
with the fuel-vent and exhaust-emission requirements of 14 CFR part 34, 
and the noise-certification requirements of 14 CFR part 36.
    The FAA issues special conditions, as defined in 14 CFR 11.19, in 
accordance with Sec.  11.38, and they become part of the type 
certification basis under Sec.  21.101.

Novel or Unusual Design Feature

    The Boeing Model 777-200 airplane will incorporate the following 
novel or unusual design feature: An airbag system in shoulder belts of 
multiple-place side-facing seats. Inflatable airbag devices are 
designed to limit occupant forward excursion in the event of an 
accident. While their use is now standard in the automotive industry, 
their use is novel or unusual for commercial aviation.

Discussion

    The applicant is installing, as a voluntary safety measure in the 
VT DRB interior, airbags (inflatable restraints) in the shoulder belts 
of multiple-place side-facing seats. The applicable airworthiness 
regulations have no regulations for this particular feature. Therefore, 
special conditions are necessary.
    The certification basis of this modification includes Special 
Federal Aviation Regulation (SFAR) 109, section 4(b), which specifies 
the injury criteria for this seating orientation. These special 
conditions, like special conditions previously issued on airplanes with 
side-facing seats incorporating airbag systems, address the safety 
issues inherent in this seating orientation when using airbag systems 
to meet the injury criteria.
    SFAR 109, section 4(b) incorporates by reference the requirements 
of Sec.  25.562(c)(1) through (c)(6). Section 25.562(c) requires that 
the restraints remain on the shoulders and pelvises of the occupants 
during impact. Advisory Circular (AC) 25.562-1B, ``Dynamic Evaluation 
of Seat Restraint Systems and Occupant Protection on Transport 
Airplanes,'' dated January 10, 2006, clarifies this requirement by 
stating that restraints must remain on the shoulders and pelvises when 
loaded by the occupants. This criterion is necessary to protect the 
occupants from serious injuries that could be caused by lap-belt 
contact forces applied to soft tissue, or by ineffectively restraining 
the upper torsos in the event the upper-torso restraints slide off the 
shoulders. In forward-facing seats (the type specifically addressed in 
that AC), occupant motion during rebound, and any subsequent re-loading 
of the belts, is limited by interaction with the seat backs. However, 
in side-facing seats subjected to a forward impact, the restraint 
systems may be the only means of limiting the occupants' rearward 
(rebound) motion.
    Also as discussed by the FAA in previous special conditions, the 
installation of airbag systems in shoulder belts have two additional 
safety concerns: That the systems perform properly under foreseeable 
operating conditions, and that the systems do not perform in a manner 
or at such times as would constitute a hazard to the occupants. These 
special conditions address those concerns.
    These special conditions are derived not only from similar 
previously-issued special conditions, but also from special conditions 
the FAA has issued for airbag systems on lap belts, with some changes 
to address the issues specific to side-facing seats.
    The special conditions are not an installation approval. Therefore, 
while the special conditions relate to each such system installed, the 
overall installation approval is a separate finding and must consider 
the combined effects of all such systems installed.
    These special conditions contain the additional safety standards 
that the Administrator considers necessary to establish a level of 
safety equivalent to that established by the existing airworthiness 
standards.

Applicability

    As discussed above, these special conditions are applicable to the 
Boeing Model 777-200 airplane as modified by VT DRB. Should VT DRB 
apply at a later date for a supplemental type certificate to modify any 
other model included on Type Certificate No. T00001SE to incorporate 
the same novel or unusual design feature, these special conditions 
would apply to that model as well.

Conclusion

    This action affects only one novel or unusual design feature on one 
model of airplane. It is not a rule of general applicability and 
affects only the applicant who applied to the FAA for approval of this 
feature on the airplane.
    The substance of these special conditions has been subject to the 
notice and comment period in several prior instances, and has been 
derived without substantive change from those previously issued. It is 
unlikely that prior public comment would result in a significant change 
from the substance contained herein. Therefore, because a delay would 
significantly affect the certification of the airplane, which is 
imminent, the FAA has determined that prior public notice and comment 
are unnecessary and impracticable, and good cause exists for adopting 
these special conditions upon publication in the Federal Register. The 
FAA is requesting comments to allow interested persons to submit views 
that may not have been submitted in response to the

[[Page 16895]]

prior opportunities for comment described above.

List of Subjects in 14 CFR Part 25

    Aircraft, Aviation safety, Reporting and recordkeeping 
requirements.


0
The authority citation for these special conditions is as follows:

    Authority:  49 U.S.C. 106(g), 40113, 44701, 44702, 44704.

The Special Conditions

0
Accordingly, pursuant to the authority delegated to me by the 
Administrator, the following special conditions are issued as part of 
the type certification basis for Boeing Model 777-200 airplanes 
modified by VT DRB Aviation Consultants.
    1. For seats with an airbag system in the shoulder belts, show that 
the airbag system in the shoulder belt will deploy and provide 
protection under crash conditions where it is necessary to prevent 
serious injury. The means of protection must take into consideration a 
range of stature from a 2-year-old child to a 95th percentile male. The 
airbag system in the shoulder belt must provide a consistent approach 
to energy absorption throughout that range of occupants. When the seat 
system includes an airbag system, that system must be included in each 
of the certification tests as it would be installed in the airplane. In 
addition, the following situations must be considered:
    a. The seat occupant is holding an infant.
    b. The seat occupant is a pregnant woman.
    2. The airbag system in the shoulder belt must provide adequate 
protection for each occupant regardless of the number of occupants of 
the seat assembly, considering that unoccupied seats may have an active 
airbag system in the shoulder belt.
    3. The design must prevent the airbag system in the shoulder belt 
from being either incorrectly buckled or incorrectly installed, such 
that the airbag system in the shoulder belt would not properly deploy. 
Alternatively, it must be shown that such deployment is not hazardous 
to the occupant, and will provide the required injury protection.
    4. It must be shown that the airbag system in the shoulder belt is 
not susceptible to inadvertent deployment as a result of wear and tear, 
or inertial loads resulting from in-flight or ground maneuvers 
(including gusts and hard landings), and other operating and 
environmental conditions (vibrations, moisture, etc.) likely to occur 
in service.
    5. Deployment of the airbag system in the shoulder belt must not 
injure the seated occupant, including injuries that could impede rapid 
egress. This assessment should include an occupant whose belt is 
loosely fastened.
    6. It must be shown that inadvertent deployment of the airbag 
system in the shoulder belt, during the most critical part of the 
flight, will either meet the requirement of Sec.  25.1309(b) or not 
cause a hazard to the airplane or its occupants.
    7. It must be shown that the airbag system in the shoulder belt 
will not impede rapid egress of occupants 10 seconds after airbag 
deployment.
    8. The airbag system must be protected from lightning and high-
intensity radiated fields (HIRF). The threats to the airplane specified 
in existing regulations regarding lighting, Sec.  25.1316, and HIRF, 
Sec.  25.1317, are incorporated by reference for the purpose of 
measuring lightning and HIRF protection.
    9. The airbag system in the shoulder belt must function properly 
after loss of normal aircraft electrical power, and after a transverse 
separation of the fuselage at the most critical location. A separation 
at the location of the airbag system in the shoulder belt does not have 
to be considered.
    10. It must be shown that the airbag system in the shoulder belt 
will not release hazardous quantities of gas or particulate matter into 
the cabin.
    11. The airbag system in the shoulder-belt installation must be 
protected from the effects of in-flight fire such that no hazard to 
occupants will result.
    12. A means must be available for a crewmember to verify the 
integrity of the airbag system in the shoulder-belt activation system 
prior to each flight, or it must be demonstrated to reliably operate 
between inspection intervals. The FAA considers that the loss of the 
airbag-system deployment function alone (i.e., independent of the 
conditional event that requires the airbag-system deployment) is a 
major-failure condition.
    13. The inflatable material may not have an average burn rate of 
greater than 2.5 inches/minute when tested using the horizontal 
flammability test defined in part 25, appendix F, part I, paragraph 
(b)(5).
    14. The airbag system in the shoulder belt, once deployed, must not 
adversely affect the emergency-lighting system (i.e., block floor 
proximity lights to the extent that the lights no longer meet their 
intended function).

    Issued in Renton, Washington, on March 31, 2017.

Michael Kaszycki,
Assistant Manager, Transport Airplane Directorate, Aircraft 
Certification Service.
[FR Doc. 2017-06930 Filed 4-6-17; 8:45 am]
 BILLING CODE 4910-13-P



                                                                   Federal Register / Vol. 82, No. 66 / Friday, April 7, 2017 / Rules and Regulations                                        16893

                                             power unit (APU). The design must                         d. The airplane must provide                        Building Ground Floor, Washington, DC
                                             provide this capability in addition to the              adequate indication of loss of normal                 20590–0001.
                                             electrical capability required by existing              electrical power to direct the pilot to the              • Hand Delivery or Courier: Take
                                             part 25 requirements related to                         non-normal procedures, and the AFM                    comments to Docket Operations in
                                             operation with all engines inoperative.                 must incorporate non-normal                           Room W12–140 of the West Building
                                               3. The airplane emergency electrical                  procedures that will direct the pilot to              Ground Floor at 1200 New Jersey
                                             power system must be designed to                        take appropriate actions.                             Avenue SE., Washington, DC, between 9
                                             supply:                                                   Issued in Renton, Washington, on March              a.m. and 5 p.m., Monday through
                                                a. Electrical power required for                     31, 2017.                                             Friday, except Federal holidays.
                                             immediate safety, which must continue                   Michael Kaszycki,                                        • Fax: Fax comments to Docket
                                             to operate without the need for crew                    Assistant Manager, Transport Airplane
                                                                                                                                                           Operations at 202–493–2251.
                                             action following the loss of the normal                 Directorate, Aircraft Certification Service.             Privacy: The FAA will post all
                                             electrical power, for a duration                                                                              comments it receives, without change,
                                                                                                     [FR Doc. 2017–06929 Filed 4–6–17; 8:45 am]
                                             sufficient to allow reconfiguration to                                                                        to http://www.regulations.gov/,
                                                                                                     BILLING CODE 4910–13–P
                                             provide a non-time-limited source of                                                                          including any personal information the
                                             electrical power.                                                                                             commenter provides. Using the search
                                                b. Electrical power required for                     DEPARTMENT OF TRANSPORTATION                          function of the docket Web site, anyone
                                             continued safe flight and landing for the                                                                     can find and read the electronic form of
                                             maximum diversion time.                                 Federal Aviation Administration                       all comments received into any FAA
                                                4. If Bombardier uses APU-generated                                                                        docket, including the name of the
                                             electrical power to satisfy the                         14 CFR Part 25                                        individual sending the comment (or
                                             requirements of these special                                                                                 signing the comment for an association,
                                                                                                     [Docket No. FAA–2017–0126; Special                    business, labor union, etc.). DOT’s
                                             conditions, and if reaching a suitable                  Conditions No. 25–654–SC]
                                             runway for landing is beyond the                                                                              complete Privacy Act Statement can be
                                             capacity of the battery systems, then the               Special Conditions: VT DRB Aviation                   found in the Federal Register published
                                             APU must be able to be started under                    Consultants, Boeing Model 777–200                     on April 11, 2000 (65 FR 19477–19478),
                                             any foreseeable flight condition prior to               Airplanes; Installation of an Airbag                  as well as at http://DocketsInfo.dot.gov/.
                                             the depletion of the battery, or the                    System in Shoulder Belts                                 Docket: Background documents or
                                             restoration of normal electrical power,                                                                       comments received may be read at
                                             whichever occurs first. Flight test must                AGENCY:  Federal Aviation                             http://www.regulations.gov/ at any time.
                                             demonstrate this capability at the most                 Administration (FAA), DOT.                            Follow the online instructions for
                                             critical condition.                                     ACTION: Final special conditions; request             accessing the docket or go to Docket
                                                a. Bombardier must show that the                     for comments.                                         Operations in Room W12–140 of the
                                             APU will provide adequate electrical                                                                          West Building Ground Floor at 1200
                                             power for continued safe flight and                     SUMMARY:   These special conditions are               New Jersey Avenue SE., Washington,
                                             landing.                                                issued for the Boeing Model 777–200                   DC, between 9 a.m. and 5 p.m., Monday
                                                b. The airplane flight manual (AFM)                  airplane. This airplane, as modified by               through Friday, except Federal holidays.
                                             must incorporate non-normal                             VT DRB Aviation Consultants (VT DRB),                 FOR FURTHER INFORMATION CONTACT: John
                                             procedures that direct the pilot to take                will have a novel or unusual design                   Shelden, FAA, Airframe and Cabin
                                             appropriate actions to activate the APU                 feature when compared to the state of                 Safety Branch, ANM–115, Transport
                                             after loss of normal engine-driven                      technology envisioned in the                          Airplane Directorate, Aircraft
                                             generated electrical power.                             airworthiness standards for transport-                Certification Service, 1601 Lind Avenue
                                                5. As part of showing compliance                     category airplanes. This design feature               SW., Renton, Washington 98057–3356;
                                             with these special conditions, the tests                is an airbag system installed in shoulder             telephone 425–227–2785; facsimile
                                             to demonstrate loss of all normal                       belts. The applicable airworthiness                   425–227–1320.
                                             electrical power must also take into                    regulations do not contain adequate or
                                                                                                                                                           SUPPLEMENTARY INFORMATION: The FAA
                                             account the following:                                  appropriate safety standards for this
                                                                                                                                                           has determined that notice of, and
                                                                                                     design feature. These special conditions
                                                a. The assumption that the failure                                                                         opportunity for prior public comment
                                                                                                     contain the additional safety standards
                                             condition occurs during night                                                                                 on, these special conditions is
                                                                                                     that the Administrator considers
                                             instrument meteorological conditions                                                                          impracticable because these procedures
                                                                                                     necessary to establish a level of safety
                                             (IMC) at the most critical phase of the                                                                       would significantly delay issuance of
                                                                                                     equivalent to that established by the
                                             flight, relative to the worst possible                                                                        the design approval and thus delivery of
                                                                                                     existing airworthiness standards.
                                             electrical-power distribution and                                                                             the affected airplanes.
                                             equipment-loads-demand condition.                       DATES: This action is effective on VT                    In addition, the substance of these
                                                b. After the un-restorable loss of                   DRB Aviation Consultants on April 7,                  special conditions has been subject to
                                             normal engine-generator power, the                      2017. We must receive your comments                   the public-comment process in several
                                             airplane engine restart capability is                   by May 22, 2017.                                      prior instances with no substantive
                                             provided and operations continued in                    ADDRESSES: Send comments identified                   comments received. The FAA therefore
                                             IMC.                                                    by docket number FAA–2017–0126                        finds that good cause exists for making
                                                c. The airplane is demonstrated to be                using any of the following methods:                   these special conditions effective upon
                                             capable of continued safe flight and                       • Federal eRegulations Portal: Go to               publication in the Federal Register.
                                             landing. The length of time must be                     http://www.regulations.gov/and follow
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                                             computed based on the maximum                           the online instructions for sending your              Comments Invited
                                             diversion time capability for which the                 comments electronically.                                We invite interested people to take
                                             airplane is being certified. Bombardier                    • Mail: Send comments to Docket                    part in this rulemaking by sending
                                             must account for airspeed reductions                    Operations, M–30, U.S. Department of                  written comments, data, or views. The
                                             resulting from the associated failure or                Transportation (DOT), 1200 New Jersey                 most helpful comments reference a
                                             failures.                                               Avenue SE., Room W12–140, West                        specific portion of the special


                                        VerDate Sep<11>2014   14:50 Apr 06, 2017   Jkt 241001   PO 00000   Frm 00003   Fmt 4700   Sfmt 4700   E:\FR\FM\07APR1.SGM   07APR1


                                             16894                 Federal Register / Vol. 82, No. 66 / Friday, April 7, 2017 / Rules and Regulations

                                             conditions, explain the reason for any                  Novel or Unusual Design Feature                       shoulder belts have two additional
                                             recommended change, and include                           The Boeing Model 777–200 airplane                   safety concerns: That the systems
                                             supporting data.                                        will incorporate the following novel or               perform properly under foreseeable
                                               We will consider all comments we                      unusual design feature: An airbag                     operating conditions, and that the
                                             receive by the closing date for                         system in shoulder belts of multiple-                 systems do not perform in a manner or
                                             comments. We may change these special                   place side-facing seats. Inflatable airbag            at such times as would constitute a
                                             conditions based on the comments we                     devices are designed to limit occupant                hazard to the occupants. These special
                                             receive.                                                                                                      conditions address those concerns.
                                                                                                     forward excursion in the event of an
                                                                                                                                                              These special conditions are derived
                                                                                                     accident. While their use is now
                                             Background                                                                                                    not only from similar previously-issued
                                                                                                     standard in the automotive industry,
                                                                                                                                                           special conditions, but also from special
                                                On July 10, 2015, VT DRB applied for                 their use is novel or unusual for
                                                                                                                                                           conditions the FAA has issued for
                                             a supplemental type certificate to install              commercial aviation.
                                                                                                                                                           airbag systems on lap belts, with some
                                             an airbag system in shoulder belts on                   Discussion                                            changes to address the issues specific to
                                             Boeing Model 777–200 airplanes. The                                                                           side-facing seats.
                                             Boeing Model 777–200 airplane, as                          The applicant is installing, as a
                                                                                                                                                              The special conditions are not an
                                             modified by VT DRB, is a very-                          voluntary safety measure in the VT DRB
                                                                                                                                                           installation approval. Therefore, while
                                             important-person (VIP) interior-design                  interior, airbags (inflatable restraints) in
                                                                                                                                                           the special conditions relate to each
                                             derivative of the Boeing Model 777                      the shoulder belts of multiple-place
                                                                                                                                                           such system installed, the overall
                                             airplanes currently approved under                      side-facing seats. The applicable
                                                                                                                                                           installation approval is a separate
                                             Type Certificate No. T00001SE. The                      airworthiness regulations have no
                                                                                                                                                           finding and must consider the combined
                                             modified airplane will have seating for                 regulations for this particular feature.
                                                                                                                                                           effects of all such systems installed.
                                             52 passengers and 7 crewmembers.                        Therefore, special conditions are                        These special conditions contain the
                                                                                                     necessary.                                            additional safety standards that the
                                             Type Certification Basis                                   The certification basis of this                    Administrator considers necessary to
                                                                                                     modification includes Special Federal                 establish a level of safety equivalent to
                                                Under the provisions of Title 14, Code               Aviation Regulation (SFAR) 109, section
                                             of Federal Regulations (14 CFR) 21.101,                                                                       that established by the existing
                                                                                                     4(b), which specifies the injury criteria             airworthiness standards.
                                             VT DRB must show that the Boeing                        for this seating orientation. These
                                             Model 777–200 airplane, as changed,                     special conditions, like special                      Applicability
                                             continues to meet the applicable                        conditions previously issued on                          As discussed above, these special
                                             provisions of the regulations listed in                 airplanes with side-facing seats                      conditions are applicable to the Boeing
                                             Type Certificate No. T00001SE or the                    incorporating airbag systems, address                 Model 777–200 airplane as modified by
                                             applicable regulations in effect on the                 the safety issues inherent in this seating            VT DRB. Should VT DRB apply at a
                                             date of application for the change,                     orientation when using airbag systems                 later date for a supplemental type
                                             except for earlier amendments as agreed                 to meet the injury criteria.                          certificate to modify any other model
                                             upon by the FAA.                                           SFAR 109, section 4(b) incorporates                included on Type Certificate No.
                                                If the Administrator finds that the                  by reference the requirements of                      T00001SE to incorporate the same novel
                                             applicable airworthiness regulations                    § 25.562(c)(1) through (c)(6). Section                or unusual design feature, these special
                                             (i.e., 14 CFR part 25) do not contain                   25.562(c) requires that the restraints                conditions would apply to that model as
                                             adequate or appropriate safety standards                remain on the shoulders and pelvises of               well.
                                             for the Boeing Model 777–200 airplane                   the occupants during impact. Advisory
                                             because of a novel or unusual design                    Circular (AC) 25.562–1B, ‘‘Dynamic                    Conclusion
                                             feature, special conditions are                         Evaluation of Seat Restraint Systems                    This action affects only one novel or
                                             prescribed under the provisions of                      and Occupant Protection on Transport                  unusual design feature on one model of
                                             § 21.16.                                                Airplanes,’’ dated January 10, 2006,                  airplane. It is not a rule of general
                                                Special conditions are initially                     clarifies this requirement by stating that            applicability and affects only the
                                             applicable to the model for which they                  restraints must remain on the shoulders               applicant who applied to the FAA for
                                             are issued. Should the applicant apply                  and pelvises when loaded by the                       approval of this feature on the airplane.
                                             for a supplemental type certificate to                  occupants. This criterion is necessary to               The substance of these special
                                             modify any other model included on the                  protect the occupants from serious                    conditions has been subject to the notice
                                             same type certificate to incorporate the                injuries that could be caused by lap-belt             and comment period in several prior
                                             same novel or unusual design feature,                   contact forces applied to soft tissue, or             instances, and has been derived without
                                             these special conditions would also                     by ineffectively restraining the upper                substantive change from those
                                             apply to the other model under § 21.101.                torsos in the event the upper-torso                   previously issued. It is unlikely that
                                                                                                     restraints slide off the shoulders. In                prior public comment would result in a
                                                In addition to the applicable                        forward-facing seats (the type                        significant change from the substance
                                             airworthiness regulations and special                   specifically addressed in that AC),                   contained herein. Therefore, because a
                                             conditions, the Boeing Model 777–200                    occupant motion during rebound, and                   delay would significantly affect the
                                             airplane, as changed, must comply with                  any subsequent re-loading of the belts,               certification of the airplane, which is
                                             the fuel-vent and exhaust-emission                      is limited by interaction with the seat               imminent, the FAA has determined that
                                             requirements of 14 CFR part 34, and the                 backs. However, in side-facing seats                  prior public notice and comment are
                                             noise-certification requirements of 14                  subjected to a forward impact, the                    unnecessary and impracticable, and
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                                             CFR part 36.                                            restraint systems may be the only means               good cause exists for adopting these
                                                The FAA issues special conditions, as                of limiting the occupants’ rearward                   special conditions upon publication in
                                             defined in 14 CFR 11.19, in accordance                  (rebound) motion.                                     the Federal Register. The FAA is
                                             with § 11.38, and they become part of                      Also as discussed by the FAA in                    requesting comments to allow interested
                                             the type certification basis under                      previous special conditions, the                      persons to submit views that may not
                                             § 21.101.                                               installation of airbag systems in                     have been submitted in response to the


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                                                                   Federal Register / Vol. 82, No. 66 / Friday, April 7, 2017 / Rules and Regulations                                              16895

                                             prior opportunities for comment                         seated occupant, including injuries that                Issued in Renton, Washington, on March
                                             described above.                                        could impede rapid egress. This                       31, 2017.

                                             List of Subjects in 14 CFR Part 25                      assessment should include an occupant                 Michael Kaszycki,
                                                                                                     whose belt is loosely fastened.                       Assistant Manager, Transport Airplane
                                               Aircraft, Aviation safety, Reporting                                                                        Directorate, Aircraft Certification Service.
                                             and recordkeeping requirements.                            6. It must be shown that inadvertent
                                                                                                     deployment of the airbag system in the                [FR Doc. 2017–06930 Filed 4–6–17; 8:45 am]
                                             ■ The authority citation for these                      shoulder belt, during the most critical               BILLING CODE 4910–13–P
                                             special conditions is as follows:                       part of the flight, will either meet the
                                               Authority: 49 U.S.C. 106(g), 40113, 44701,            requirement of § 25.1309(b) or not cause
                                             44702, 44704.                                                                                                 DEPARTMENT OF TRANSPORTATION
                                                                                                     a hazard to the airplane or its occupants.
                                             The Special Conditions                                     7. It must be shown that the airbag                Federal Aviation Administration
                                             ■ Accordingly, pursuant to the authority                system in the shoulder belt will not
                                             delegated to me by the Administrator,                   impede rapid egress of occupants 10                   14 CFR Part 39
                                             the following special conditions are                    seconds after airbag deployment.                      [Docket No. FAA–2016–3257; Directorate
                                             issued as part of the type certification                   8. The airbag system must be                       Identifier 2015–SW–072–AD; Amendment
                                             basis for Boeing Model 777–200                          protected from lightning and high-                    39–18846; AD 2017–07–08]
                                             airplanes modified by VT DRB Aviation                   intensity radiated fields (HIRF). The                 RIN 2120–AA64
                                             Consultants.                                            threats to the airplane specified in
                                                1. For seats with an airbag system in                existing regulations regarding lighting,              Airworthiness Directives; Airbus
                                             the shoulder belts, show that the airbag                § 25.1316, and HIRF, § 25.1317, are                   Helicopters Deutschland GmbH
                                             system in the shoulder belt will deploy                 incorporated by reference for the
                                             and provide protection under crash                                                                            AGENCY:  Federal Aviation
                                                                                                     purpose of measuring lightning and                    Administration (FAA), DOT.
                                             conditions where it is necessary to                     HIRF protection.
                                             prevent serious injury. The means of                                                                          ACTION: Final rule.
                                             protection must take into consideration                    9. The airbag system in the shoulder
                                                                                                     belt must function properly after loss of             SUMMARY:   We are adopting a new
                                             a range of stature from a 2-year-old child
                                                                                                     normal aircraft electrical power, and                 airworthiness directive (AD) for Airbus
                                             to a 95th percentile male. The airbag
                                                                                                     after a transverse separation of the                  Helicopters Deutschland GmbH (Airbus
                                             system in the shoulder belt must
                                                                                                     fuselage at the most critical location. A             Helicopters) Model MBB–BK 117 D–2
                                             provide a consistent approach to energy
                                                                                                     separation at the location of the airbag              helicopters. This AD requires
                                             absorption throughout that range of
                                                                                                                                                           repetitively inspecting the engine mount
                                             occupants. When the seat system                         system in the shoulder belt does not
                                                                                                                                                           bushings. This AD was prompted by
                                             includes an airbag system, that system                  have to be considered.
                                                                                                                                                           reports of delaminated and worn
                                             must be included in each of the                            10. It must be shown that the airbag               bushings. The actions of this AD are
                                             certification tests as it would be                      system in the shoulder belt will not                  intended to prevent an unsafe condition
                                             installed in the airplane. In addition, the             release hazardous quantities of gas or                on these products.
                                             following situations must be considered:                particulate matter into the cabin.
                                                a. The seat occupant is holding an                                                                         DATES: This AD is effective May 12,
                                             infant.                                                    11. The airbag system in the shoulder-             2017.
                                                b. The seat occupant is a pregnant                   belt installation must be protected from              ADDRESSES:   For service information
                                             woman.                                                  the effects of in-flight fire such that no            identified in this final rule, contact
                                                2. The airbag system in the shoulder                 hazard to occupants will result.                      Airbus Helicopters, 2701 N. Forum
                                             belt must provide adequate protection                      12. A means must be available for a                Drive, Grand Prairie, TX 75052;
                                             for each occupant regardless of the                     crewmember to verify the integrity of                 telephone (972) 641–0000 or (800) 232–
                                             number of occupants of the seat                         the airbag system in the shoulder-belt                0323; fax (972) 641–3775; or at http://
                                             assembly, considering that unoccupied                   activation system prior to each flight, or            www.airbushelicopters.com/techpub.
                                             seats may have an active airbag system                  it must be demonstrated to reliably                      You may review a copy of the
                                             in the shoulder belt.                                                                                         referenced service information at the
                                                                                                     operate between inspection intervals.
                                                3. The design must prevent the airbag                                                                      FAA, Office of the Regional Counsel,
                                                                                                     The FAA considers that the loss of the
                                             system in the shoulder belt from being                                                                        Southwest Region, 10101 Hillwood
                                             either incorrectly buckled or incorrectly               airbag-system deployment function
                                                                                                                                                           Pkwy, Room 6N–321, Fort Worth, TX
                                             installed, such that the airbag system in               alone (i.e., independent of the
                                                                                                                                                           76177.
                                             the shoulder belt would not properly                    conditional event that requires the
                                             deploy. Alternatively, it must be shown                 airbag-system deployment) is a major-                 Examining the AD Docket
                                             that such deployment is not hazardous                   failure condition.                                       You may examine the AD docket on
                                             to the occupant, and will provide the                      13. The inflatable material may not                the Internet at http://
                                             required injury protection.                             have an average burn rate of greater than             www.regulations.gov by searching for
                                                4. It must be shown that the airbag                  2.5 inches/minute when tested using the               and locating Docket No. FAA–2016–
                                             system in the shoulder belt is not                      horizontal flammability test defined in               3257; or in person at the Docket
                                             susceptible to inadvertent deployment                   part 25, appendix F, part I, paragraph                Operations Office between 9 a.m. and 5
                                             as a result of wear and tear, or inertial               (b)(5).                                               p.m., Monday through Friday, except
                                             loads resulting from in-flight or ground                                                                      Federal holidays. The AD docket
nlaroche on DSK30NT082PROD with RULES




                                             maneuvers (including gusts and hard                        14. The airbag system in the shoulder              contains this AD, the European Aviation
                                             landings), and other operating and                      belt, once deployed, must not adversely               Safety Agency (EASA) AD, the
                                             environmental conditions (vibrations,                   affect the emergency-lighting system                  economic evaluation, any comments
                                             moisture, etc.) likely to occur in service.             (i.e., block floor proximity lights to the            received, and other information. The
                                                5. Deployment of the airbag system in                extent that the lights no longer meet                 street address for the Docket Operations
                                             the shoulder belt must not injure the                   their intended function).                             Office (phone: 800–647–5527) is U.S.


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Document Created: 2017-04-06 23:49:20
Document Modified: 2017-04-06 23:49:20
CategoryRegulatory Information
CollectionFederal Register
sudoc ClassAE 2.7:
GS 4.107:
AE 2.106:
PublisherOffice of the Federal Register, National Archives and Records Administration
SectionRules and Regulations
ActionFinal special conditions; request for comments.
DatesThis action is effective on VT DRB Aviation Consultants on April 7, 2017. We must receive your comments by May 22, 2017.
ContactJohn Shelden, FAA, Airframe and Cabin Safety Branch, ANM-115, Transport Airplane Directorate, Aircraft Certification Service, 1601 Lind Avenue SW., Renton, Washington 98057- 3356; telephone 425-227-2785; facsimile 425-227-1320.
FR Citation82 FR 16893 
CFR AssociatedAircraft; Aviation Safety and Reporting and Recordkeeping Requirements

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