31522 Federal Register / Vol. 84, No. 127 / Tuesday, July 2, 2019 / Proposed Rules

special nuclear material waste as compatible with the program of the ARTICLE IX defined in regulations or orders of the Commission for the regulation of This Agreement shall become Commission; materials covered by this Agreement. effective on [date], and shall remain in G. The regulation of the disposal of The State and the Commission agree effect unless and until such time as it is such other byproduct, source, or special to keep each other informed of proposed terminated pursuant to Article VIII. nuclear material as the Commission changes in their respective rules and determines by regulation or order Done at [location] this [date] day of regulations and to provide each other should, because of the hazards or [month], 2019. the opportunity for early and potential hazards thereof, not be so For the Nuclear Regulatory Commission. substantive contribution to the proposed disposed without a license from the Kristine L. Svinicki, changes. Commission; and Chairman. H. The regulation of activities not The State and the Commission agree Done at [location] this [date] day of exempt from Commission regulation as to keep each other informed of events, [month], 2019. stated in 10 CFR part 150. accidents, and licensee performance For the State of Vermont. that may have generic implication or Philip B. Scott, ARTICLE III otherwise be of regulatory interest. Governor. With the exception of those activities [FR Doc. 2019–13453 Filed 7–1–19; 8:45 am] ARTICLE VII identified in Article II, paragraphs D. BILLING CODE 7590–01–P through H., this Agreement may be The Commission and the State agree amended, upon application by the State that it is desirable to provide reciprocal and approval by the Commission to recognition of licenses for the materials DEPARTMENT OF TRANSPORTATION include one or more of the additional listed in Article I licensed by the other activities specified in Article II, Federal Aviation Administration party or by any other Agreement State. paragraphs A. through C., whereby the Accordingly, the Commission and the State may then exert regulatory 14 CFR Part 25 State agree to develop appropriate rules, authority and responsibility with regulations, and procedures by which [Docket No. FAA–2019–0470; Notice No. 25– respect to those activities. reciprocity will be accorded. 19–10–SC] ARTICLE IV ARTICLE VIII Special Conditions: Gulfstream Notwithstanding this Agreement, the Aerospace Corporation Model GVII Commission may from time to time by The Commission, upon its own Series Airplane; Electro-Hydraulically rule, regulation, or order, require that initiative after reasonable notice and Actuated Seats Equipped With Backup the manufacturer, processor, or opportunity for hearing to the State or Power Supply producer of any equipment, device, upon request of the Governor of commodity, or other product containing Vermont, may terminate or suspend all AGENCY: Federal Aviation source, byproduct, or special nuclear or part of this Agreement and reassert Administration (FAA), DOT. material shall not transfer possession or the licensing and regulatory authority ACTION: Notice of proposed special control of such product except pursuant vested in it under the Act, if the conditions. to a license or an exemption for Commission finds that (1) such SUMMARY: This action proposes special licensing issued by the Commission. termination or suspension is required to conditions for the Gulfstream Aerospace ARTICLE V protect the public health and safety, or Corporation (Gulfstream) Model GVII (2) the State has not complied with one This Agreement shall not affect the series airplane. These airplanes, as or more of the requirements of Section modified by Gulfstream, will have a authority of the Commission under 274 of the Act. Subsection 161b. or 161i. of the Act to novel or unusual design feature when issue rules, regulations, or orders to Pursuant to Section 274j. of the Act, compared to the state of technology promote the common defense and the Commission may, after notifying the envisioned in the airworthiness security, to protect restricted data, or to Governor, temporarily suspend all or standards for transport-category guard against the loss or diversion of part of this Agreement without notice or airplanes. This design feature is electro- special nuclear material. hearing if, in the judgment of the hydraulically actuated seats equipped Commission, an emergency situation with backup power supply. The ARTICLE VI exists with respect to any material applicable airworthiness regulations do The Commission will cooperate with covered by this agreement creating not contain adequate or appropriate the State and other Agreement States in danger which requires immediate action safety standards for this design feature. the formulation of standards and to protect the health or safety of persons These proposed special conditions regulatory programs of the State and the either within or outside of the State and contain the additional safety standards Commission for protection against the State has failed to take steps that the Administrator considers hazards of radiation and to assure that necessary to contain or eliminate the necessary to establish a level of safety Commission and State programs for cause of danger within a reasonable equivalent to that established by the protection against the hazards of time after the situation arose. The existing airworthiness standards. radiation will be coordinated and Commission shall periodically review DATES: Send comments on or before compatible. The State agrees to actions taken by the State under this August 1, 2019. cooperate with the Commission and Agreement to ensure compliance with ADDRESSES: Send comments identified other Agreement States in the Section 274 of the Act, which requires by Docket No. FAA–2019–0470 using formulation of standards and regulatory a State program to be adequate to any of the following methods: programs of the State and the protect the public health and safety with • Federal eRegulations Portal: Go to Commission for protection against the respect to the materials covered by this http://www.regulations.gov/ and follow hazards of radiation and to assure that Agreement and to be compatible with the online instructions for sending your the State’s program will continue to be the Commission’s program. comments electronically.

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• Mail: Send comments to Docket Background Discussion Operations, M–30, U.S. Department of Hydraulically actuated components Transportation (DOT), 1200 New Jersey On October 12, 2018, Gulfstream applied for a supplemental type and backup power systems on airplane Avenue SE, Room W12–140, West seats are considered novel or unusual by Building Ground Floor, Washington, DC certificate for electro-hydraulically actuated seats equipped with backup the FAA. Therefore, we developed 20590–0001. special conditions that contain the • power supply in the Model GVII series Hand Delivery or Courier: Take airplane. The Gulfstream Model GVII additional standards that the comments to Docket Operations in series airplane, currently approved Administrator considers necessary to Room W12–140 of the West Building under Type Certificate No. T00021AT, establish a level of safety equivalent to Ground Floor at 1200 New Jersey is twin-engine, transport-category that established by the existing Avenue SE, Washington, DC, between 9 airplane with seating for 19 passengers airworthiness standards. The FAA has considered the a.m. and 5 p.m., Monday through and a maximum takeoff weight of installation of seats with these features Friday, except Federal holidays. 79,600 pounds. • Fax: Fax comments to Docket to have four primary safety concerns: Operations at 202–493–2251. Type Certification Basis 1. Reliability of the backup power supply; Privacy: The FAA will post all Under the provisions of title 14, Code 2. Safety hazards to the occupants comments it receives, without change, of Federal Regulations (14 CFR) 21.101, from the hydraulically actuated to http://www.regulations.gov/, Gulfstream must show that the Model components of the seat; including any personal information the GVII series airplane, as changed, 3. Structural integrity of the hydraulic commenter provides. Using the search continues to meet the applicable components; and function of the docket website, anyone provisions of the regulations listed in 4. Flammability. can find and read the electronic form of Type Certificate No. T00021AT or the Emergency exits must be accessible to all comments received into any FAA applicable regulations in effect on the the passengers, and the effectiveness of docket, including the name of the date of application for the change, evacuation must be maintained. Typical individual sending the comment (or except for earlier amendments as agreed airplane seats can be positioned signing the comment for an association, upon by the FAA. manually to the lateral (track) and business, labor union, etc.). DOT’s If the Administrator finds that the directional (swivel) taxi, takeoff, and complete Privacy Act Statement can be applicable airworthiness regulations landing (TT&L) position by mechanical found in the Federal Register published (i.e., 14 CFR part 25) do not contain means, so that the seats can be on April 11, 2000 (65 FR 19477–19478). adequate or appropriate safety standards positioned accordingly in the event of a loss of cabin power. For this electro- Docket: Background documents or for the Gulfstream Model GVII series hydraulically operated seat design, in comments received may be read at airplane because of a novel or unusual lieu of a manual means to re-position http://www.regulations.gov/ at any time. design feature, special conditions are the hydraulically operated seat features Follow the online instructions for prescribed under the provisions of (backrest, seat pan, and leg-rest accessing the docket or go to Docket § 21.16. deployment) for TT&L, a backup power Operations in Room W12–140 of the Special conditions are initially West Building Ground Floor at 1200 supply (BPS) temporarily powers the applicable to the model for which they hydraulic system in the event of loss of New Jersey Avenue SE, Washington, are issued. Should the applicant apply DC, between 9 a.m. and 5 p.m., Monday cabin power. The BPS is deployed, and for a supplemental type certificate to intended only for use, in the event of a through Friday, except Federal holidays. modify any other model included on the loss of cabin power. If the seats are FOR FURTHER INFORMATION CONTACT: same type certificate to incorporate the installed in the path of the emergency Alan Sinclair, AIR–675, Airframe and same novel or unusual design feature, over-wing exits, failure to return the seat Cabin Safety Section, Transport these special conditions would also to a TT&L position may have an adverse Standards Branch, Policy and apply to the other model under § 21.101. effect on evacuation. Substantiation of Innovation Division, Aircraft In addition to the applicable 14 CFR 25.809(b) and 25.813(c)(2)(ii) Certification Service, Federal Aviation airworthiness regulations and special must be shown with the seats in their Administration, 2200 South 216th conditions, the Gulfstream Model GVII most adverse positions. Street, Des Moines, Washington 98198; series airplane must comply with the It must be shown that the telephone and fax 206–231–3215; email fuel-vent and exhaust-emission hydraulically actuated components of [email protected]. requirements of 14 CFR part 34, and the the seat pose no safety hazard to the occupants or airplane. This includes SUPPLEMENTARY INFORMATION: noise-certification requirements of 14 CFR part 36. injuries caused by crushing of airplane Comments Invited occupants who are between the The FAA issues special conditions, as hydraulically actuated components and defined in 14 CFR 11.19, in accordance We invite interested people to take any part of the passenger cabin when with § 11.38, and they become part of part in this rulemaking by sending seat features (e.g., leg rest or backrest) the type certification basis under written comments, data, or views. The are actuated. Additionally, the risk of § 21.101. most helpful comments reference a loss of function of a control or proximity specific portion of the special Novel or Unusual Design Features switch, resulting in the pump motor conditions, explain the reason for any commanded to remain pumping after recommended change, and include The Gulfstream Model GVII series the hydraulic actuator(s) have reached supporting data. airplane will incorporate the following their minimum or maximum limit, must We will consider all comments we novel or unusual design features: not cause the overloaded motor to receive by the closing date for Hydraulically actuated components overheat, a condition that could result comments. We may change these special on airplane seats, including hydraulic in fire. conditions based on the comments we reservoir, pump, actuators, and backup The FAA has also considered the receive. power systems. emergency-landing dynamic conditions

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for the installation of electro- List of Subjects in 14 CFR Part 25 Issued in Des Moines, Washington, on June 21, 2019. hydraulically actuated seats. The Aircraft, Aviation safety, Reporting applicant must show that the hydraulic and recordkeeping requirements. Christopher R. Parker, system (actuators, reservoir, lines, etc.) Acting Manager, Transport Standards remains intact and free from leakage Authority Citation Branch, Policy and Innovation Division, under the conditions specified in The authority citation for these Aircraft Certification Service. § 25.562. Testing of each seat’s special conditions is as follows: [FR Doc. 2019–14010 Filed 7–1–19; 8:45 am] hydraulic system per § 25.1435(c) may BILLING CODE 4910–13–P Authority: 49 U.S.C. 106(f), 106(g), 40113, be conducted off of the airplane. 44701, 44702, 44704. Flammability of hydraulic fluid used in the seat-movement mechanism must The Proposed Special Conditions DEPARTMENT OF TRANSPORTATION be considered. If the fluid is flammable, Accordingly, the Federal Aviation Federal Aviation Administration it could contribute to a post-crash or in- Administration (FAA) proposes the flight fire. Any failure modes that would following special conditions as part of result in release of the flammable the type certification basis for Model 14 CFR Part 39 hydraulic fluid during a post-crash or GVII series airplanes modified by [Docket No. FAA–2019–0520; Product in-flight fire, causing such fluid to Gulfstream Aerospace Corporation. Identifier 2019–NM–046–AD] materially increase an existing fire, must 1. It must be shown that the RIN 2120–AA64 be examined. Examples of this could be probability of failure of the backup flex lines burning through and releasing power supply to return seat components Airworthiness Directives; Saab AB, the flammable hydraulic fluid, or the to the required taxi, takeoff, and landing ¥ Saab Aeronautics (Formerly Known as fluid reservoir could be heated in a fire, position is no greater than 10 5 per Saab AB, Saab Aerosystems) resulting in a boiling-liquid, expanding- flight hour. Airplanes vapor explosion. The potential for 2. It must be shown that the spontaneous ignition of the fluid hydraulically actuated components of AGENCY: Federal Aviation coming into contact with hot surfaces or the seat pose no safety hazard to the Administration (FAA), DOT. other ignition sources should also be occupants. Hazards to be considered, ACTION: Notice of proposed rulemaking addressed. The applicant should per the latest revision of Advisory (NPRM). examine any possible failure mode in Circular 25.1309–1, at a minimum are: which the flammable hydraulic fluid a. Injuries caused by crushing of SUMMARY: The FAA proposes to adopt a could be absorbed into materials, such airplane occupants who are between the new airworthiness directive (AD) for as the seat foam and fabric, carpeting, hydraulically actuated components and certain Saab AB, Saab Aeronautics etc. The applicant must show that any any part of the passenger cabin when Model SAAB 2000 airplanes. This fluid-soaked seat parts remain self- the leg rest or backrest is actuated. proposed AD was prompted by reports extinguishing. The applicant must also b. The risk of loss of function of a of loose and irregular fasteners at the show that flammability of dry residue, control or proximity switch resulting in forward end of the nacelle upper which may be present from a slow leak the pump motor being commanded to longeron, where the bulkhead frame and or fluid seepage, does not degrade the stay on after the hydraulic actuator(s) struts are attached to the engine flammability characteristics of any have reached their minimum or mounting structure (EMS). This materials the fluid contacts, to a level maximum limit, creating potential for proposed AD would require below the requirements specified in motor overheating or fire. modification of the EMS and structural § 25.853. c. The potential for a significant attachments. The FAA is proposing this These proposed special conditions contribution to a fire in the event fluid AD to address the unsafe condition on contain the additional safety standards comes into contact with hot surfaces or these products. other ignition sources, and the potential that the Administrator considers DATES: The FAA must receive comments for release of toxic or flammable vapors necessary to establish a level of safety on this proposed AD by August 16, and gasses. equivalent to that established by the 2019. existing airworthiness standards. 3. It must be shown that the hydraulic system (actuators, reservoir, lines, etc.) ADDRESSES: You may send comments, Applicability remains intact and free from leakage using the procedures found in 14 CFR As discussed above, these proposed under the conditions specified in 11.43 and 11.45, by any of the following special conditions are applicable to the § 25.562. Testing of each seat’s methods: Gulfstream Model GVII series airplane. hydraulic system per § 25.1435(c) may • Federal eRulemaking Portal: Go to Should Gulfstream apply at a later date be conducted off of the airplane. http://www.regulations.gov. Follow the for a supplemental type certificate to 4. Section 25.863 requires instructions for submitting comments. modify any other model included on consideration of any effects the • Fax: 202–493–2251. Type Certificate No. T00021AT to hydraulic fluid, including the fluid as a • Mail: U.S. Department of incorporate the same novel or unusual dry residue, could have on combustible Transportation, Docket Operations, M– design feature, these special conditions or absorbing materials. The 30, West Building Ground Floor, Room would apply to that model as well. characteristics of such flammable fluid W12–140, 1200 New Jersey Avenue SE, in these conditions must be tested to the Washington, DC 20590. Conclusion requirements of § 25.853(a) and (c), or • Hand Delivery: Deliver to Mail This action affects only certain novel the materials must be shielded in a address above between 9 a.m. and 5 or unusual design features on one model manner that prevents contact by the p.m., Monday through Friday, except series of airplane. It is not a rule of fluid. However, as an alternative to such Federal holidays. general applicability and affects only testing or shielding, the applicant may For service information identified in the applicant who applied to the FAA provide, in accordance with § 25.863(c), this NPRM, contact Saab AB, Saab for approval of these features on the a quick-acting means that alerts the Aeronautics, SE–581 88, Linko¨ping, airplane. crew that hydraulic fluid has leaked. Sweden; phone: +46 13 18 5591; fax:

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