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Federal Register / Vol. 86, No. 20 / Tuesday, February 2, 2021 / Rules and Regulations
the online instructions for sending your comments electronically.
Mail: Send comments to Docket Operations, M30, U.S. Department of Transportation DOT, 1200 New Jersey Avenue SE, Room W12140, West Building Ground Floor, Washington, DC
205900001.
Hand Delivery or Courier: Take comments to Docket Operations in Room W12140 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 2024932251.
Privacy: Except for Confidential Business Information CBI as described in the following paragraph, and other information as described in 14 CFR
11.35, the FAA will post all comments received without change, to http
www.regulations.gov/, including any personal information you provide. The FAA will also post a report summarizing each substantive verbal contact received about this proposal.
Confidential Business Information:
Confidential Business Information CBI
is commercial or financial information that is both customarily and actually treated as private by its owner. Under the Freedom of Information Act FOIA
5 U.S.C. 552, CBI is exempt from public disclosure. If your comments responsive to this Notice contain commercial or financial information that is customarily treated as private, that you actually treat as private, and that is relevant or responsive to this Notice, it is important that you clearly designate the submitted comments as CBI. Please mark each page of your submission containing CBI as PROPIN. The FAA will treat such marked submissions as confidential under the FOIA, and the indicated comments will not be placed in the public docket of this Notice. Send submissions containing CBI to the person indicated in the Contact section below. Comments the FAA receives, which are not specifically designated as CBI, will be placed in the public docket for this rulemaking.
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 W12140 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, Airframe and Cabin
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Safety Section, AIR675, Transport Standards Branch, Policy and Innovation Division, Aircraft Certification Service, Federal Aviation Administration, 2200 South 216th Street, Des Moines, Washington 98198;
telephone and fax 2062313215; email alan.sinclair@faa.gov.
SUPPLEMENTARY INFORMATION: The substance of these special conditions previously has been published in the Federal Register for public comment.
These special conditions have 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, the FAA has determined that prior public notice and comment are unnecessary, and finds that, for the same reason, good cause exists for adopting these special conditions upon publication in the Federal Register.
Comments Invited The FAA invites 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.
The FAA will consider all comments received by the closing date for comments. The FAA may change these special conditions based on the comments received.
Background On March 21, 2017, TC InterInformatics applied for a supplemental type certificate to install B/E Aerospace Super Diamond specific Model 1031301
seats, equipped with inflatable restraint systems, at oblique angles of 27.25 and 30 degrees to the longitudinal centerline on Airbus Model A330243 airplanes.
The Airbus Model A330243 airplane, which is a derivative of the Airbus Model A330 airplane currently approved under Type Certificate No.
A46NM, is a twin-engine, transportcategory airplane with a maximum takeoff weight of 507,063 pounds and seating for 375 passengers.
Type Certification Basis Under the provisions of title 14, Code of Federal Regulations 14 CFR 21.101, TC Inter-Informatics must show that the Airbus Model A330243 airplane, as changed, continues to meet the applicable provisions of the regulations listed in Type Certificate No. A46NM or the applicable regulations in effect on the date of application for the change,
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except for earlier amendments as agreed upon by the FAA.
If the Administrator finds that the applicable airworthiness regulations e.g., 14 CFR part 25 do not contain adequate or appropriate safety standards for the Airbus Model A330243 airplane because of a novel or unusual design feature, special conditions are prescribed under the provisions of 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 21.101.
In addition to the applicable airworthiness regulations and special conditions, the Airbus Model A330243
airplane must comply with the fuel-vent and exhaust-emission requirements of 14 CFR part 34, and the noisecertification requirements of 14 CFR
part 36.
The FAA issues special conditions, as defined in 14 CFR 11.19, in accordance with 11.38, and they become part of the type certification basis under 21.101.
Novel or Unusual Design Features The Airbus Model A330243 airplane, as modified by TC Inter-Informatics, will incorporate the following novel or unusual design feature:
Single-occupant, oblique seats equipped with inflatable lapbelts.
Discussion Amendment 2515 to part 25, dated October 24, 1967, introduced the subject of side-facing seats, and a requirement that each occupant in a side-facing seat must be protected from head injury by a safety belt and a cushioned rest that will support the arms, shoulders, head, and spine.
Subsequently, amendment 2520, dated April 23, 1969, clarified the definition of side-facing seats to require that each occupant of a seat, positioned at more than an 18-degree angle to the vertical plane of the airplane longitudinal centerline, must be protected from head injury by a safety belt and an energy-absorbing rest that will support the arms, shoulders, head, and spine; or by a safety belt and shoulder harness that will prevent the head from contacting any injurious object. The FAA concluded that an 18degree angle would provide an adequate level of safety based on tests that were performed at that time, and thus adopted that standard.

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