Unknown. Final special conditions; request for comments
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--- schema: federal-register doc_type: fedreg source_file: FR-2004-07-15.xml --- 69 135 Thursday, July 15, 2004 Contents Agriculture Agriculture Department See Food and Nutrition Service See Forest Service Antitrust Antitrust Division NOTICES National cooperative research notifications: USB Flash Drive Alliance; correction, 42499 C4-3066 Arts Arts and Humanities, National Foundation See National Foundation on the Arts and the Humanities Broadcasting Broadcasting Board of Governors NOTICES Meetings;
Sunshine Act, 42418 04-16201 Centers Centers for Disease Control and Prevention NOTICES Committees; establishment, renewal, termination, etc.: Safety and Occupational Health Study Section, 42442 04-16028 Children Children and Families Administration NOTICES Agency information collection activities; proposals, submissions, and approvals, 42442-42443 04-16053 04-16054 Coast Guard Coast Guard RULES Ports and waterways safety: Narragansett Bay, RI; Tall Ships Rhode Island 2004 event; safety and security zones, 42335-42340 04-16099 Commerce Commerce Department See Industry and Security Bureau See International Trade Administration See National Institute of Standards and Technology See National Oceanic and Atmospheric Administration Comptroller Comptroller of the Currency PROPOSED RULES Fair and Accurate Credit Transactions Act; implementation:
Fair credit; affiliate marketing, 42501-42542 04-15950 Customs Customs and Border Protection Bureau NOTICES Customhouse broker license cancellation, suspension, etc.: Benja, Emil F., 42446 04-16043 Miami Valley Worldwide, Inc., 42446-42447 04-16041 Scully, Steve, et al., 42447 04-16042 Defense Defense Department PROPOSED RULES Federal Acquisition Regulation (FAR): Government property rental and special tooling, 42543-42547 04-15815 Education Education Department NOTICES Agency information collection activities; proposals, submissions, and approvals, 42426-42427 04-16059 Grants and cooperative agreements; availability, etc.:
Postsecondary education— Student Support Services Program; correction, 42499 C4-15471 Special education and rehabilitative services— Model transitional rehabilitation services for youth and young adults with disabilities, 42427-42430 04-16009 Employment Employment and Training Administration NOTICES Agency information collection activities; proposals, submissions, and approvals, 42459-42460 04-16058 Energy Energy Department See Federal Energy Regulatory Commission NOTICES Agency information collection activities; proposals, submissions, and approvals, 42430 04-16064 Floodplain and wetlands protection; environmental review determinations; availability, etc.:
Sharyland Utilities, LP; electric transmission lines construction, operation, maintenance, and connection across U.S.-Mexico border, 42430-42431 04-16063 EPA Environmental Protection Agency RULES Air quality implementation plans; approval and promulgation; various States: California; withdrawn, 42340-42341 04-15941 Water programs: Underground injection control program— Alabama; response to court remand, 42341-42345 04-16075 PROPOSED RULES Solid wastes: Hazardous waste; identification and listing— Exclusions, 42395-42412 04-15945 Executive Executive Office of the President See Management and Budget Office See Trade Representative, Office of United States FAA Federal Aviation Administration RULES Airworthiness standards:
Special conditions— Learjet Inc., Model 55, 55B and 55C airplanes, 42329-42331 04-16101 Class E airspace, 42331-42332 04-16102 PROPOSED RULES Airworthiness directives: Airbus, 42363-42365, 42368-42370 04-16029 04-16031 Boeing, 42365-42368 04-16030 Cessna, 42358-42360 04-16098 Grob-Werke, 42360-42363 04-16097 Pratt & Whitney, 42356-42358 04-16006 NOTICES Advisory circulars; availability, etc.: Initial domestic flight information service-broadcast; safety and interoperability requirements, 42494 04-16106 Aircraft:
Noise exposure maps— Hartsfield-Jackson Atlanta International Airport, GA, 42494-42495 04-16103 Environmental statements; notice of intent: Sitka Rocky Gutierrez Airport, AK; scoping meetings, 42495-42496 04-16104 FBI Federal Bureau of Investigation NOTICES Agency information collection activities; proposals, submissions, and approvals, 42455-42456 04-16020 FCC Federal Communications Commission RULES Radio stations; table of assignments: Idaho and Utah Correction, 42345 04-15987 NOTICES Common carrier services:
Telecommunications carrier eligibility designation petitions— TracFone Wireless, Inc.; New York service area, 42438-42439 04-15988 Meetings: Media Security and Reliability Council, 42439 04-15989 FDIC Federal Deposit Insurance Corporation PROPOSED RULES Fair and Accurate Credit Transactions Act; implementation: Fair credit reporting provisions; affiliate marketing, 42501-42542 04-15950 NOTICES Meetings; Sunshine Act, 42439-42440 04-16242 Federal Election Federal Election Commission NOTICES Meetings;
Sunshine Act, 42440 04-16183 Federal Energy Federal Energy Regulatory Commission NOTICES Hydroelectric applications, 42436-42438 E4-1571 E4-1572 Meetings: Questar Pipeline Corp.; technical conference, 42438 E4-1570 *Applications, hearings, determinations, etc.:* Algonquin Gas Transmission, LLC, 42431 E4-1579 ANR Pipeline Co., 42431-42432 E4-1587 CenterPoint Energy Gas Transmission Co., 42432 E4-1573 Colorado Interstate Gas Co., 42432 E4-1582 Cranberry Pipeline Corp., 42433 E4-1586 Dominion Transmission, Inc., 42433 E4-1585 East Tennessee Natural Gas, LLC, 42433 E4-1580 Northwest Pipeline Corp., 42434 E4-1577 E4-1578 OkTex Pipeline Co., 42434-42435 E4-1581 Panhandle Eastern Pipe Line Co., LP, 42435 E4-1574 Transcontinental Gas Pipe Line Corp., 42435 E4-1584 Trunkline LNG Co., LLC, 42435-42436 E4-1575 E4-1576 Viking Gas Transmission Co., 42436 E4-1583 FMC Federal Maritime Commission NOTICES Agreements filed, 42440 04-15992 Ocean transportation intermediary licenses:
Access Freight Forwarders, Inc., et al., 42440-42441 04-15993 Oceanair Freight International, Inc., 42441 04-15991 Trade Passage, 42422-42423 04-15990 United Globe Cargo Inc. et al., 42441-42442 04-15994 Federal Mine Federal Mine Safety and Health Review Commission NOTICES Meetings; Sunshine Act, 42461 04-16197 Federal Reserve Federal Reserve System PROPOSED RULES Fair and Accurate Credit Transactions Act; implementation: Fair credit reporting provisions (Regulation V); affiliate marketing, 42501-42542 04-15950 Fish Fish and Wildlife Service NOTICES Environmental statements; notice of intent:
Incidental take permits— Kaua’i Island Utility Cooperative, HI; Hawaiian petrel, etc.; habitat conservation plan; scoping meeting, 42447-42449 04-16095 Food Food and Drug Administration NOTICES Reports and guidance documents; availability, etc.: Veal calves; unapproved hormone implants use; withdrawn, 42443-42444 04-16036 Food Food and Nutrition Service NOTICES Child nutrition programs: Child and Adult Care Food Program— National average payment rates, day care home food service payment rates, etc., 42413-42415 04-16045 National School Lunch, Special Milk, and School Breakfast Programs— National average payments/maximum reimbursement rates, 42415-42417 04-16044 Forest Forest Service PROPOSED RULES National Forest System lands:
Travel management; designated routes and areas for motor vehicle use, 42381-42395 04-15775 GSA General Services Administration PROPOSED RULES Federal Acquisition Regulation (FAR): Government property rental and special tooling, 42543-42547 04-15815 Health Health and Human Services Department See Centers for Disease Control and Prevention See Children and Families Administration See Food and Drug Administration See Health Resources and Services Administration Health Health Resources and Services Administration NOTICES Committees; establishment, renewal, termination, etc.:
Childhood Vaccines Advisory Commission, 42444 04-16039 Grants and cooperative agreements; availability, etc.: Competitive and other 2004 FY grant programs mini-preview; comprehensive review and application information Correction, 42445 04-16038 Public Health Service Act; implementation: Free clinic volunteer health professionals; Public Health Service employee status, 42445-42446 04-16037 Homeland Homeland Security Department See Coast Guard See Customs and Border Protection Bureau Industry Industry and Security Bureau RULES Export administration regulations:
Commerce Control List— Shaykh Hamad bin Ali bin Jaber Al-Thani et al.; general order imposing license requirement for exports and reexports; revoked, 42332-42333 04-16012 Interior Interior Department See Fish and Wildlife Service See Land Management Bureau See Minerals Management Service IRS Internal Revenue Service PROPOSED RULES Income taxes: Partnerships and their partners; sale of qualified small business stock; gain deferral, 42370-42379 04-15964 NOTICES Agency information collection activities; proposals, submissions, and approvals, 42496-42497 04-16091 Meetings:
Taxpayer Advocacy Panels, 04-16092 04-16093 42497-42498 04-16094 International International Trade Administration NOTICES Antidumping: Fresh garlic from— China, 42418 04-15983 Hot-rolled carbon steel flat products from— Netherlands, 42418-42419 04-15984 Polyethylene retail carrier bags from— China, 42419-42421 04-15981 Thailand, 42419 04-15980 Stainless steel wire rod from— India, 42421-42422 04-15982 International International Trade Commission NOTICES Committees; establishment, renewal, termination, etc.:
Executive Resources Board, 42452 04-15986 Import investigations: Wooden bedroom furniture from— China, 42452-42454 04-15985 Zero-mercury-added alkaline batteries, parts, and products containing same, 42454 04-16083 Justice Justice Department See Antitrust Division See Federal Bureau of Investigation NOTICES Pollution control; consent judgments: Flura Corp. et al., 42454-42455 04-16001 Pittsburgh-Canfield Corp. et al., 42455 04-15997 Sewerage District No. 1 of Iberia Parish, 42455 04-16000 Labor Labor Department See Employment and Training Administration See Occupational Safety and Health Administration NOTICES Agency information collection activities; proposals, submissions, and approvals, 42456-42459 04-16055 04-16056 04-16057 Land Land Management Bureau NOTICES Meetings:
Resource Advisory Councils— Western Montana, 42449 04-16096 Management Management and Budget Office NOTICES Agency information collection activities; proposals, submissions, and approvals, 42469-42470 04-15733 Marine Marine Mammal Commission NOTICES Meetings: Acoustic Impacts on Marine Mammals Advisory Committee, 42460-42461 04-15995 Minerals Minerals Management Service NOTICES Outer Continental Shelf operations: Western Gulf of Mexico— Oil and gas lease sales, 42449-42452 04-16070 Mine Mine Safety and Health Federal Review Commission See Federal Mine Safety and Health Review Commission NASA National Aeronautics and Space Administration PROPOSED RULES Federal Acquisition Regulation (FAR):
Government property rental and special tooling, 42543-42547 04-15815 NOTICES Environmental statements; availability, etc.: John F. Kennedy Space Center, FL, International Space Research Park, 42461-42463 04-16077 Meetings: Advisory Council Space Science Advisory Committee, 42463-42465 04-16065 04-16067 04-16068 04-16069 National Credit National Credit Union Administration PROPOSED RULES Fair and Accurate Credit Transactions Act; implementation: Fair credit reporting; affiliate marketing, 42501-42542 04-15950 National Foundation National Foundation on the Arts and the Humanities NOTICES Agency information collection activities; proposals, submissions, and approvals, 42465 04-16085 National Institute National Institute of Standards and Technology NOTICES Meetings:
Internet Protocol version 6 (IPv6), 42422 04-16019 NOAA National Oceanic and Atmospheric Administration RULES Fishery conservation and management: Alaska; fisheries of Exclusive Economic Zone— Pacific ocean perch, 42355 04-16060 West Coast States and Western Pacific fisheries— Pacific Coast groundfish, 42345-42355 04-15823 NOTICES Meetings: New England Fishery Management Council, 42423 E4-1568 Pacific Fishery Management Council, 42423-42424 E4-1569 Permits: Marine mammals, 42424-42426 04-16062 Scientific research, 42426 04-16061 National Science National Science Foundation NOTICES Meetings;
Sunshine Act, 42465 04-16162 Nuclear Nuclear Regulatory Commission NOTICES *Applications, hearings, determinations, etc.:* Energy Department, 42465-42469 04-16034 Occupational Occupational Safety and Health Administration PROPOSED RULES Construction safety and health standards: Steel erection; skeletal structural steel slip resistance, 42379-42381 04-16084 Office Office of Management and Budget See Management and Budget Office Office of U.S. Trade Office of United States Trade Representative See Trade Representative, Office of United States Overseas Overseas Private Investment Corporation NOTICES Agency information collection activities; proposals, submissions, and approvals, 42470 04-16035 Pension Pension Benefit Guaranty Corporation RULES Single employer plans:
Allocation of assets— Interest assumptions for valuing and paying benefits, 42333-42335 04-16002 NOTICES Single-employer and multiemployer plans: Interest rates and assumptions, 42470-42471 04-16003 Postal Postal Service RULES Board of Governors bylaws: Independent external auditor selection, 42340 04-16023 SEC Securities and Exchange Commission NOTICES Meetings; Sunshine Act, 42471 04-16263 Self-regulatory organizations; proposed rule changes: American Stock Exchange LLC, 42472-42473 04-16046 Chicago Board Options Exchange, Inc., 42473-42486 04-16049 04-16052 Chicago Stock Exchange, 42486-42488 04-16048 Fixed Income Clearing Corp., 42488-42489 04-16050 New York Stock Exchange, Inc., 42489-42490 04-16047 Options Clearing Corp., 42490-42492 04-16051 State State Department NOTICES Meetings:
International Telecommunication Advisory Committee, 42492 04-16082 Thrift Thrift Supervision Office PROPOSED RULES Fair and Accurate Credit Transactions Act; implementation: Fair credit reporting; affiliate marketing, 42501-42542 04-15950 Trade Trade Representative, Office of United States NOTICES North American Free Trade Agreement (NAFTA): Rules of origin modification; effective date for goods of Mexico, 42492-42493 04-16021 World Trade Organization: Dispute settlement panel establishment requests— Canada; hard red spring wheat, 42493-42494 04-16022 Transportation Transportation Department See Federal Aviation Administration Treasury Treasury Department See Comptroller of the Currency See Internal Revenue Service See Thrift Supervision Office NOTICES Meetings:
Debt Management Advisory Committee, 42496 04-16011 Separate Parts In This Issue Part II Federal Deposit Insurance Corporation; Federal Reserve System; National Credit Union Administration; Treasury Department, Comptroller of the Currency; Treasury Department, Thrift Supervision Office, 42501-42542 04-15950 Part III Defense Department; General Services Administration; National Aeronautics and Space Administration, 42543-42547 04-15815 Reader Aids Consult the Reader Aids section at the end of this issue for phone numbers, online resources, finding aids, reminders, and notice of recently enacted public laws.
To subscribe to the Federal Register Table of Contents LISTSERV electronic mailing list, go to http://listserv.access.gpo.gov and select Online mailing list archives, FEDREGTOC-L, Join or leave the list (or change settings); then follow the instructions. 69 135 Thursday, July 15, 2004 Rules and Regulations DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 25 [Docket No. NM286; Special Conditions No. 25-270-SC] Special Conditions: Learjet Inc., Model 55, 55B and 55C Airplanes;
High Intensity Radiated Fields
(HIRF)AGENCY: Federal Aviation Administration (FAA), DOT. ACTION: Final special conditions; request for comments. SUMMARY: These special conditions are issued for Learjet Inc., Model 55, 55B and 55C airplanes modified by Garrett Aviation Services. These modified airplanes will have a novel or unusual design feature when compared to the state of technology envisioned in the airworthiness standards for transport category airplanes. The modification incorporates the installation of two Honeywell N1 Digital Electronic Engine Controls
(DEEC)that perform critical functions. The applicable airworthiness regulations do not contain adequate or appropriate safety standards for the protection of these systems from the effects of high intensity radiated fields (HIRF). 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: The effective date of these special conditions is July 1, 2004. Comments must be received on or before August 16, 2004. ADDRESSES: Comments on these special conditions may be mailed in duplicate to: Federal Aviation Administration, Transport Airplane Directorate, Attn: Rules Docket (ANM-113), Docket No. NM286, 1601 Lind Avenue, SW., Renton Washington, 98055-4056; or delivered in duplicate to the Transport Directorate at the above address. All comments must be marked: Docket No. NM286. FOR FURTHER INFORMATION CONTACT: Meghan Gordon, FAA, Standardization Branch, ANM-113, Transport Airplane Directorate, Aircraft Certification Service, 1601 Lind Avenue, SW., Renton, Washington 98055-4056; telephone
(425)227-2138; facsimile
(425)227-1149. SUPPLEMENTARY INFORMATION: Comments Invited The FAA has determined that notice and opportunity for prior public comment is impracticable because these procedures would significantly delay certification of and 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 issuance. However, the FAA invites interested persons to participate in this rulemaking by submitting 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 ask that you send us two copies of written comments. We will file in the docket all comments we receive, as well as a report summarizing each substantive public contact with FAA personnel concerning these special conditions. The docket is available for public inspection before and after the comment closing date. If you wish to review the docket in person, go to the address in the ADDRESSES section of this preamble between 7:30 a.m. and 4 p.m., Monday thru Friday, except Federal holidays. We will consider all comments we receive on or before the closing date for comments. We will consider comments filed late if it is possible to do so without incurring expense or delay. We may change these special conditions based on the comments we receive. If you want the FAA to acknowledge receipt of your comments on this proposal, include with your comments a pre-addressed, stamped postcard on which the docket number appears. We will stamp the date on the postcard and mail it back to you. Background On December 1, 2003, Garrett Aviation Services, 1200 North Airport Drive, Capital Airport Springfield, IL 62707, applied for a Supplemental Type Certificate
(STC)to modify Learjet Inc., Model 55, 55B and 55C airplanes approved under Type Certificate No. A10CE. The Learjet Inc., Model 55, 55B and 55C airplanes are transport category airplanes. The Learjet Inc., Model 55, 55B and 55C airplanes are powered by two Garrett TFE731-3A-2B turbofans with a maximum takeoff weight of 21,500 pounds. These aircraft operate with a 2-pilot crew and can hold up to 10 passengers. The modification incorporates the installation of Honeywell N1 Digital Electronic Engine Controls (DEEC). The N1 DEEC is a replacement for the existing Analog Electronic Engine Control (EEC), while also providing additional functional capability in the system. The digital avionics/electronics and electrical systems installed under this project in these airplanes have the potential to be vulnerable to HIRF external to the airplane. Type Certification Basis Under the provisions of 14 CFR 21.101, Garrett Aviation Services must show that the Learjet Inc., Model 55, 55B and 55C airplanes, as changed, continue to meet the applicable provisions of the regulations incorporated by reference in Type Certificate No. A10CE, or the applicable regulations in effect on the date of application for the change. The regulations incorporated by reference in the type certificate are commonly referred to as the “original type certification basis.” The certification basis for the modified Learjet Inc., Model 55, 55B and 55C airplanes include 14 CFR part 25, dated February 1, 1964, as amended by Amendments 25-1 through 25-20 except for special conditions and exceptions noted in Type Certificate Data Sheet
(TDCS)A10CE. If the Administrator finds that the applicable airworthiness regulations ( *i.e.,* part 25, as amended) do not contain adequate or appropriate safety standards for the Learjet Inc., Model 55, 55B and 55C airplanes because of novel or unusual design features, special conditions are prescribed under the provisions § 21.16. In addition to the applicable airworthiness regulations and special conditions, the Learjet Inc., Model 55, 55B and 55C airplanes must comply with the noise certification requirement of part 36. Special conditions, as defined in 14 CFR 11.19, are issued in accordance with § 11.38 and become part of the type certification basis in accordance with § 21.101. Special conditions are initially applicable to the model for which they are issued. Should Garrett Aviation Services apply at a later date 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 the provisions of § 21.101. Novel or Unusual Design Features The Learjet Inc., Model 55, 55B and 55C airplanes modified by Garrett Aviation Services will incorporate Honeywell N1 DEEC that will perform critical functions. These systems have to potential to be vulnerable to HIRF external to the airplane. The current airworthiness standards (14 CFR part 25) do not contain adequate or appropriate safety standards for the protection of this equipment from the adverse effect of HIRF. Accordingly, this system is considered to be a novel or unusual design feature. Discussion There is no specific regulation that addresses protection requirements for electrical and electronic systems from HIRF. Increased power levels from ground-based radio transmitters and the growing use of sensitive avionics/electronics and electrical systems to command and control airplanes have made it necessary to provide adequate protection. To ensure that a level of safety is achieved that is equivalent to that intended by the regulations incorporated by reference; special conditions are needed for Learjet Inc., Models 55, 55B and 55C airplanes modified by Garrett Aviation Services. These special conditions require that new avionics/electronics and electrical systems that perform critical functions be designed and installed to preclude component damage and interruption of function due to both the direct and indirect effects of HIRF. High-Intensity Radiated Fields
(HIRF)With the trend toward increased power levels from ground-based transmitters, and the advent of space and satellite communications, coupled with electronic command and control of the airplane, the immunity of critical avionics/electronics and electrical systems to HIRF must be established. It is not possible to precisely define the HIRF to which the airplane will be exposed in service. There is also uncertainty concerning the effectiveness of airframe shielding for HIRF. Furthermore, coupling of electromagnetic energy to cockpit-installed equipment through the cockpit window apertures is undefined. Based on surveys and analysis of existing HIRF emitters, an adequate level of protection exists when compliance with the HIRF protection special condition is shown with either paragraph 1, or 2 below: 1. A minimum threat of 100 volts rms (root-mean-square) per meter electric field strength from 10 KHz to 18 GHz. a. The threat must be applied to the system elements and their associated wiring harnesses without the benefit of airframe shielding. b. Demonstration of this level of protection is established through system tests and analysis. 2. A threat external to the airframe of the field strengths identified in the following table for the frequency ranges indicated. Both peak and average field strength components from the Table are to be demonstrated. Frequency Field strength (volts per meter) Peak Average 10 kHz-100 kHz 50 50 100 kHz-500 kHz 50 50 500 kHz-2 MHz 50 50 2 MHz-30MHz 100 100 30 MHz-70 MHz 50 50 70 MHz-100MHz 50 50 100 MHz-200 MHz 100 100 200 MHz-400 MHz 100 100 400 MHz-700 MHz 700 50 700 MHz-1 GHz 700 100 1 GHz-2 GHz 2000 200 2 GHz-4GHz 3000 200 4 GHz-6 GHz 3000 200 6 GHz-8 GHz 1000 200 8GHz-12 GHz 3000 300 12 GHz-18 GHz 2000 200 18 GHz-40 GHz 600 200 The field strengths are expressed in terms of peak of the root-mean-square
(rms)over the complete modulation period. The threat levels identified above are the result of an FAA review of existing studies on the subject of HIRF, in light of the ongoing work of the Electromagnetic Effects Harmonization Working Group of the Aviation Rulemaking Advisory Committee. Applicability As discussed above, these special conditions are applicable to Learjet Inc., Model 55, 55B and 55C airplanes modified by Garret Aviation Services. Should Garrett Aviation Services apply at a later date 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 apply to that model as well under the provisions of § 21.101. Conclusion This action affects only certain novel or unusual design features on the Learjet Inc., Model 55, 55B and 55C airplanes modified by Garrett Aviation Services. It is not a rule of general applicability and affects only the applicant who applied to the FAA for approval of these features on the airplane. The substance of these special conditions has been subjected to the notice and comment procedure in several prior instances and has been derived without substantive change from those previously issued. 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 issuance. The FAA is requesting comments to allow interested persons to submit views that may not have been submitted in response to the prior opportunities for comment described above. List of Subjects in 14 CFR Part 25 Aircraft, Aviation safety, Reporting and record keeping 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 supplemental type certification basis for the Learjet Inc., Model 55, 55B and 55C airplanes modified by Garrett Aviation Services. 1. *Protection from Unwanted Effects of High-Intensity Radiated Fields (HIRF).* Each electrical and electronic system that performs critical functions must be designed and installed to ensure that the operation and operational capability of these systems to perform critical functions are not adversely affected when the airplane is exposed to high-intensity radiated fields. 2. For the purpose of these special conditions, the following definition applies: *Critical Functions:* Functions whose failure would contribute to or cause a failure condition that would prevent the continued safe flight and landing of the airplane. Issued in Renton, Washington, on July 1, 2004. Kalene C. Yanamura, Acting Manager, Transport Airplane Directorate, Aircraft Certification Service. [FR Doc. 04-16101 Filed 7-14-04; 8:45 am]
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Final special conditions; request for comments
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