83 FR 17744 - Special Conditions: Textron Aviation Inc. Model 700 Airplane; Occupant Protection for Side-Facing Seats Installed Forward of Aft-Facing Seats
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration Federal Register Volume 83, Issue 79 (April 24, 2018)
Federal Aviation Administration
Federal Register Volume 83, Issue 79 (April 24, 2018)
| Page Range | 17744-17746 | |
| FR Document | 2018-08556 |
[Federal Register Volume 83, Number 79 (Tuesday, April 24, 2018)] [Rules and Regulations] [Pages 17744-17746] From the Federal Register Online [www.thefederalregister.org] [FR Doc No: 2018-08556] ======================================================================= ----------------------------------------------------------------------- DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 25 [Docket No. FAA-2017-0637; Special Conditions No. 25-724-SC] Special Conditions: Textron Aviation Inc. Model 700 Airplane; Occupant Protection for Side-Facing Seats Installed Forward of Aft- Facing Seats AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final special conditions; request for comments. ----------------------------------------------------------------------- SUMMARY: These special conditions are issued for the Textron Aviation Inc. (Textron) Model 700 airplane. This airplane 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 side-facing seats installed forward of aft-facing seats. 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 Textron on April 24, 2018. Send your comments by June 8, 2018. ADDRESSES: Send comments identified by docket number FAA-2017-0637 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 website, 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). 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: Alan Sinclair, FAA, Airframe and Cabin Safety Section, AIR-675, Transport Standards Branch, Policy and Innovation Division, Aircraft Certification Service, 1601 Lind Avenue SW, Renton, Washington 98057-3356; telephone 425-227-2195; facsimile 425-227-1320. SUPPLEMENTARY INFORMATION: The substance of these special conditions has been published in the Federal Register for public comment in several prior instances with no substantive comments received. The FAA therefore finds it unnecessary to delay the effective date and 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 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 November 20, 2014, Textron applied for a type certificate for their new Model 700 airplane. The Model 700 airplane is a turbofan- powered executive-jet airplane with seating for two crewmembers and 12 passengers. This airplane will have a maximum takeoff weight of 38,514 pounds. Type Certification Basis Under the provisions of title 14, Code of Federal Regulations (14 CFR) 21.17, Textron must show that the Model 700 airplane meets the applicable provisions of 14 CFR part 25, as amended by [[Page 17745]] Amendments 25-1 through 25-139, 25-141, and 25-143. 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 Textron Model 700 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 type certificate for that model be amended later to include any other model that incorporates 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 Model 700 airplane 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. 21.17(a)(2). Novel or Unusual Design Features The Textron Model 700 will incorporate the following novel or unusual design feature: Side-facing seats installed forward of aft- facing seats. Discussion Many of the Textron Model 700 interior configurations include a multiple-place side-facing seat installed just forward of an aft-facing seat. There is the possibility of interaction between the aft-facing seat and the occupant in the aft-most seating position on the multiple- place side-facing seat. Textron is proposing to install a structural armrest aft of the multiple-place side-facing seat and forward of the aft-facing seat. See Figure 1. [GRAPHIC] [TIFF OMITTED] TR24AP18.000 Dynamic seat testing is required of all applicants who plan to install side-facing and oblique-angled seats in passenger airplanes. The intent of dynamic seat testing is to evaluate airplane seats, restraints, and related interior systems to demonstrate their structural strength and their ability to protect an occupant from serious injuries in a survivable crash. The current regulations in Sec. Sec. 25.561, 25.562, and 25.785 address occupant injury protection for forward and aft-facing seats. The FAA will issue special conditions separately to address the additional occupant-injury protection concerns raised for side-facing seats. However, the aft occupant of the side-facing seat (see Figure 1 in these special conditions) may interact with the aft-facing seat, a scenario that the regulations do not specifically address. The aft-facing seat back could deform during the dynamic-test event, and could contact the occupant in the aft side-facing seat. The point that the seat back contacts the occupant could be in an area of the body that has no defined, acceptable, injury-evaluation method, such as the shoulder. This type of contact is addressed in these side- facing-seat special conditions, which prohibit body-to-body contact. The applicant proposed installing a structural armrest between the side-facing seat and the aft-facing seat to help prevent contact between the aft-facing seat and the aft occupant of the side-facing seat. This contact would be likely to occur if the structural armrest failed to perform as intended in an emergency landing. Therefore, the purpose of these special conditions is to define the specific structural requirements of the proposed structural armrest, and the additional requirements necessary to protect the seated occupant from both the side-facing seat and the adjacent aft-facing seat. The applicant is likely to have to conduct two or more 16g forward structural tests with the combination of the side-facing seat, structural armrest, and aft-facing seat to account for all critical cases. 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 Textron Model 700 airplane. Should Textron apply at a later date for a change to the type certificate to include another model incorporating the same novel or unusual design feature, these special conditions would apply to that model as well. Conclusion This action affects only a certain novel or unusual design feature on one [[Page 17746]] model of airplane. It is not a rule of general applicability. List of Subjects in 14 CFR Part 25 Aircraft, Aviation safety, Reporting and recordkeeping requirements. The authority citation for these special conditions is as follows: Authority: 49 U.S.C. 106(g), 40113, 44701, 44702, 44704. The Special Conditions 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 Textron Model 700 airplanes with a structural armrest installed between a side-facing seat, located forward of aft-facing seats, and the aft-facing seats. 1. The applicant must propose a certification strategy for the structural armrest. This strategy must address the structural integrity of the structural armrest and occupant protection after a survivable crash. The strategy must define how the applicant will ensure that the installation, when permanently deformed due to the application of static, dynamic, and interaction (with aft-facing seat) loads, and while complying with the applicable Sec. Sec. 25.561 and 25.562 requirements, meets the following conditions: a. The proposed structural armrest must not contact the occupant in the aft-most seating position of the side-facing seat, such that the armrest imparts any load, other than incidental and non-injurious contact, with the seat occupant. b. The backrest of the aft-facing seat must not touch the occupant in the aft-most seating position of the side-facing seat. c. The proposed structural armrest must not impose loads to the side-facing seat structure, and; d. The seat back of the aft-facing seat must not, as a result of contact with the structural armrest, result in damage or permanent deformation of the seat back that could be injurious to the occupant of the aft-facing seat. 2. In addition, the applicant must: a. Test, to the emergency-landing conditions listed in Sec. 25.562, the structural armrest and the aft-facing seat together, as a system, with pitch and roll of the seat track to ensure that the armrest continues to protect the occupant of the side-facing seat. b. Conduct 16g forward structural tests with the combination of the side-facing seat, structural armrest, and the aft-facing seat, accounting for all critical cases. For these tests, the applicant should account for all structural requirements and post-test conditions. Anthropomorphic test dummies are required as part of Sec. 25.562 structural testing. c. Apply to the seat track the worst-case floor deformation that: i. Produces the maximum load into the structural armrest for armrests that are integrally a part of any seat structure. This maximum load includes the load caused by the floor deformation and the load from the aft-facing seat back. ii. Allows the aft-facing seat back the most forward dynamic deformation in the area of the side-facing seat's aft occupant. No contact between the aft-facing seat and the side-facing seat aft occupant is acceptable. Issued in Renton, Washington, on April 17, 2018. Paul Siegmund, Acting Manager, Transport Standards Branch, Policy and Innovation Division, Aircraft Certification Service. [FR Doc. 2018-08556 Filed 4-23-18; 8:45 am] BILLING CODE 4910-13-P
![17744 Federal Register / Vol. 83, No. 79 / Tuesday, April 24, 2018 / Rules and Regulations
(iii) The FDIC has notified you, in DEPARTMENT OF TRANSPORTATION docket, including the name of the
connection with its review of a capital individual sending the comment (or
restoration plan required under section Federal Aviation Administration signing the comment for an association,
38 of the Federal Deposit Insurance Act business, labor union, etc.). DOT’s
or subpart H of part 324 of this chapter 14 CFR Part 25 complete Privacy Act Statement can be
or otherwise, that a notice is required [Docket No. FAA–2017–0637; Special found in the Federal Register published
under §§ 390.360 through 390.368; or Conditions No. 25–724–SC] on April 11, 2000 (65 FR 19477–19478).
Docket: Background documents or
* * * * * comments received may be read at
Special Conditions: Textron Aviation
§§ 390.450 through 390.455 [Removed and Inc. Model 700 Airplane; Occupant http://www.regulations.gov/ at any time.
Reserved] Protection for Side-Facing Seats Follow the online instructions for
Installed Forward of Aft-Facing Seats accessing the docket or go to Docket
■ 56. Remove and reserve §§ 390.450 Operations in Room W12–140 of the
through 390.455. AGENCY: Federal Aviation West Building Ground Floor at 1200
Administration (FAA), DOT. New Jersey Avenue SE, Washington,
■ 57. Section 390.457 is amended by ACTION: Final special conditions; request DC, between 9 a.m. and 5 p.m., Monday
revising paragraphs (a)(1)(i)(A) and for comments. through Friday, except Federal holidays.
(a)(1)(ii) to read as follows: FOR FURTHER INFORMATION CONTACT:
SUMMARY: These special conditions are
issued for the Textron Aviation Inc. Alan Sinclair, FAA, Airframe and Cabin
§ 390.457 Procedures for reclassifying a
Safety Section, AIR–675, Transport
State savings association based on criteria (Textron) Model 700 airplane. This
Standards Branch, Policy and
other than capital. airplane will have a novel or unusual
Innovation Division, Aircraft
design feature when compared to the
(a) * * * Certification Service, 1601 Lind Avenue
state of technology envisioned in the
(1) * * * SW, Renton, Washington 98057–3356;
airworthiness standards for transport-
telephone 425–227–2195; facsimile
(i) * * * category airplanes. This design feature
425–227–1320.
(A) Pursuant to § 324.403(d) of this is side-facing seats installed forward of
SUPPLEMENTARY INFORMATION: The
aft-facing seats. The applicable
chapter, the FDIC may reclassify a well substance of these special conditions
airworthiness regulations do not contain
capitalized State savings association as has been published in the Federal
adequate or appropriate safety standards
adequately capitalized or subject an Register for public comment in several
for this design feature. These special
adequately capitalized or conditions contain the additional safety prior instances with no substantive
undercapitalized institution to the standards that the Administrator comments received. The FAA therefore
supervisory actions applicable to the considers necessary to establish a level finds it unnecessary to delay the
next lower capital category if: of safety equivalent to that established effective date and finds that good cause
by the existing airworthiness standards. exists for making these special
(1) The FDIC determines that the State
conditions effective upon publication in
savings association is in unsafe or DATES: This action is effective on
the Federal Register.
unsound condition; or Textron on April 24, 2018. Send your
(2) The FDIC deems the State savings comments by June 8, 2018. Comments Invited
association to be engaged in an unsafe ADDRESSES: Send comments identified We invite interested people to take
or unsound practice and not to have by docket number FAA–2017–0637 part in this rulemaking by sending
corrected the deficiency. using any of the following methods: written comments, data, or views. The
• Federal eRegulations Portal: Go to most helpful comments reference a
* * * * * http://www.regulations.gov/and follow specific portion of the special
(ii) Prior notice to institution. Prior to the online instructions for sending your conditions, explain the reason for any
taking action pursuant to § 324.403(d) of comments electronically. recommended change, and include
this chapter, the FDIC shall issue and • Mail: Send comments to Docket supporting data.
serve on the State savings association a Operations, M–30, U.S. Department of We will consider all comments we
written notice of the FDIC’s intention to Transportation (DOT), 1200 New Jersey receive by the closing date for
reclassify the State savings association. Avenue SE, Room W12–140, West comments. We may change these special
Building Ground Floor, Washington, conditions based on the comments we
* * * * *
DC, 20590–0001. receive.
• Hand Delivery or Courier: Take
Subpart Z—[Removed and Reserved] Background
comments to Docket Operations in
Room W12–140 of the West Building On November 20, 2014, Textron
■ 58. Remove and reserve subpart Z. Ground Floor at 1200 New Jersey applied for a type certificate for their
Dated at Washington, DC, on March 20, Avenue SE, Washington, DC, between 9 new Model 700 airplane. The Model 700
2018. a.m. and 5 p.m., Monday through airplane is a turbofan-powered
By order of the Board of Directors. Friday, except Federal holidays. executive-jet airplane with seating for
Federal Deposit Insurance Corporation. • Fax: Fax comments to Docket two crewmembers and 12 passengers.
Operations at 202–493–2251. This airplane will have a maximum
Valerie Best, Privacy: The FAA will post all takeoff weight of 38,514 pounds.
jstallworth on DSKBBY8HB2PROD with RULES
Assistant Executive Secretary. comments it receives, without change,
[FR Doc. 2018–06881 Filed 4–23–18; 8:45 am] to http://www.regulations.gov/, Type Certification Basis
BILLING CODE 6714–01–P including any personal information the Under the provisions of title 14, Code
commenter provides. Using the search of Federal Regulations (14 CFR) 21.17,
function of the docket website, anyone Textron must show that the Model 700
can find and read the electronic form of airplane meets the applicable provisions
all comments received into any FAA of 14 CFR part 25, as amended by
VerDate Sep<11>2014 14:18 Apr 23, 2018 Jkt 244001 PO 00000 Frm 00008 Fmt 4700 Sfmt 4700 E:\FR\FM\24APR1.SGM 24APR1](https://thefederalregister.org/doc/83_FR_17823/page/1.svg)
![17746 Federal Register / Vol. 83, No. 79 / Tuesday, April 24, 2018 / Rules and Regulations
model of airplane. It is not a rule of should account for all structural The Director of the Federal Register
general applicability. requirements and post-test conditions. approved the incorporation by reference
Anthropomorphic test dummies are of certain publications listed in this AD
List of Subjects in 14 CFR Part 25
required as part of § 25.562 structural as of April 24, 2018.
Aircraft, Aviation safety, Reporting testing. We must receive comments on this
and recordkeeping requirements. c. Apply to the seat track the worst- AD by June 8, 2018.
The authority citation for these case floor deformation that: ADDRESSES: You may send comments,
special conditions is as follows: i. Produces the maximum load into using the procedures found in 14 CFR
Authority: 49 U.S.C. 106(g), 40113, 44701,
the structural armrest for armrests that 11.43 and 11.45, by any of the following
44702, 44704. are integrally a part of any seat methods:
structure. This maximum load includes • Federal eRulemaking Portal: Go to
The Special Conditions the load caused by the floor deformation http://www.regulations.gov. Follow the
Accordingly, pursuant to the and the load from the aft-facing seat instructions for submitting comments.
authority delegated to me by the back. • Fax: 202–493–2251.
Administrator, the following special ii. Allows the aft-facing seat back the • Mail: U.S. Department of
conditions are issued as part of the type most forward dynamic deformation in Transportation, Docket Operations,
certification basis for Textron Model the area of the side-facing seat’s aft M–30, West Building Ground Floor,
700 airplanes with a structural armrest occupant. No contact between the aft- Room W12–140, 1200 New Jersey
installed between a side-facing seat, facing seat and the side-facing seat aft Avenue SE, Washington, DC 20590.
located forward of aft-facing seats, and occupant is acceptable. • Hand Delivery: U.S. Department of
the aft-facing seats. Issued in Renton, Washington, on April 17, Transportation, Docket Operations,
1. The applicant must propose a 2018. M–30, West Building Ground Floor,
certification strategy for the structural Paul Siegmund, Room W12–140, 1200 New Jersey
armrest. This strategy must address the Acting Manager, Transport Standards Avenue SE, Washington, DC 20590,
structural integrity of the structural Branch, Policy and Innovation Division, between 9 a.m. and 5 p.m., Monday
armrest and occupant protection after a Aircraft Certification Service. through Friday, except Federal holidays.
survivable crash. The strategy must [FR Doc. 2018–08556 Filed 4–23–18; 8:45 am] For service information identified in
define how the applicant will ensure BILLING CODE 4910–13–P this final rule, contact Rolls-Royce plc,
that the installation, when permanently Corporate Communications, P.O. Box
deformed due to the application of 31, Derby, England, DE24 8BJ; phone:
static, dynamic, and interaction (with DEPARTMENT OF TRANSPORTATION 011–44–1332–242424; fax: 011–44–
aft-facing seat) loads, and while 1332–249936; email: corporate.care@
complying with the applicable §§ 25.561 Federal Aviation Administration rolls-royce.com. Internet: https://
and 25.562 requirements, meets the customers.rolls-royce.com/public/
following conditions: 14 CFR Part 39 rollsroycecare. You may view this
a. The proposed structural armrest [Docket No. FAA–2018–0314; Product service information at the FAA, Engine
must not contact the occupant in the aft- Identifier 2018–NE–11–AD; Amendment 39– & Propeller Standards Branch, 1200
most seating position of the side-facing 19255; AD 2018–08–02] District Avenue, Burlington, MA 01803.
seat, such that the armrest imparts any For information on the availability of
RIN 2120–AA64
load, other than incidental and non- this material at the FAA, call 781–238–
injurious contact, with the seat Airworthiness Directives; Rolls-Royce 7759. It is also available on the internet
occupant. plc Turbofan Engines at http://www.regulations.gov by
b. The backrest of the aft-facing seat searching for and locating Docket No.
must not touch the occupant in the aft- AGENCY: Federal Aviation FAA–2018–0314.
most seating position of the side-facing Administration (FAA), DOT.
Examining the AD Docket
seat. ACTION: Final rule; request for
c. The proposed structural armrest comments. You may examine the AD docket on
must not impose loads to the side-facing the internet at http://
seat structure, and; SUMMARY: We are adopting a new www.regulations.gov by searching for
d. The seat back of the aft-facing seat airworthiness directive (AD) for all and locating Docket No. FAA–2018–
must not, as a result of contact with the Rolls-Royce plc (RR) Trent 1000–A2, 0314; or in person at Docket Operations
structural armrest, result in damage or Trent 1000–AE2, Trent 1000–C2, Trent between 9 a.m. and 5 p.m., Monday
permanent deformation of the seat back 1000–CE2, Trent 1000–D2, Trent 1000– through Friday, except Federal holidays.
that could be injurious to the occupant E2, Trent 1000–G2, Trent 1000–H2, The AD docket contains this final rule,
of the aft-facing seat. Trent 1000–J2, Trent 1000–K2, and the mandatory continuing airworthiness
2. In addition, the applicant must: Trent 1000–L2 turbofan engines. This information (MCAI), the regulatory
a. Test, to the emergency-landing AD requires initial and repetitive evaluation, any comments received, and
conditions listed in § 25.562, the inspections of the intermediate-pressure other information. The street address for
structural armrest and the aft-facing seat compressor (IPC) stage 1 rotor blades, Docket Operations (phone: 800–647–
together, as a system, with pitch and roll IPC stage 2 rotor blades, and IPC shaft 5527) is listed above. Comments will be
of the seat track to ensure that the stage 2 dovetail posts, and removing any available in the AD docket shortly after
jstallworth on DSKBBY8HB2PROD with RULES
armrest continues to protect the cracked parts from service. This AD was receipt.
occupant of the side-facing seat. prompted by IPC blade separations FOR FURTHER INFORMATION CONTACT:
b. Conduct 16g forward structural resulting in engine failures. We are Kevin M. Clark, Aerospace Engineer,
tests with the combination of the side- issuing this AD to address the unsafe ECO Branch, FAA, 1200 District
facing seat, structural armrest, and the condition on these products. Avenue, Burlington, MA 01803; phone:
aft-facing seat, accounting for all critical DATES: This AD is effective April 24, 781–238–7088; fax: 781–238–7199;
cases. For these tests, the applicant 2018. email: kevin.m.clark@faa.gov.
VerDate Sep<11>2014 14:18 Apr 23, 2018 Jkt 244001 PO 00000 Frm 00010 Fmt 4700 Sfmt 4700 E:\FR\FM\24APR1.SGM 24APR1](https://thefederalregister.org/doc/83_FR_17823/page/3.svg)
Document Created: 2018-04-24 00:39:56
Document Modified: 2018-04-24 00:39:56
| Category | Regulatory Information | |
| Collection | Federal Register | |
| sudoc Class | AE 2.7: GS 4.107: AE 2.106: | |
| Publisher | Office of the Federal Register, National Archives and Records Administration | |
| Section | Rules and Regulations | |
| Action | Final special conditions; request for comments. | |
| Dates | This action is effective on Textron on April 24, 2018. Send your comments by June 8, 2018. | |
| Contact | Alan Sinclair, FAA, Airframe and Cabin Safety Section, AIR-675, Transport Standards Branch, Policy and Innovation Division, Aircraft Certification Service, 1601 Lind Avenue SW, Renton, Washington 98057-3356; telephone 425-227-2195; facsimile 425-227-1320. | |
| FR Citation | 83 FR 17744 | |
| CFR Associated | Aircraft; Aviation Safety and Reporting and Recordkeeping Requirements |
2024 Federal Register | Disclaimer | Privacy Policy
USC | CFR | eCFR