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1、NOT MEASUREMENT SENSITIVE MIL-STD-464A 19 December 2002 _ SUPERSEDING MIL-STD-464 18 March 1997 DEPARTMENT OF DEFENSE INTERFACE STANDARD ELECTROMAGNETIC ENVIRONMENTAL EFFECTS REQUIREMENTS FOR SYSTEMS AMSC F7489AREA EMCS DISTRIBUTION STATEMENT A. Approved for public release; distribution is unlimited
2、. MIL-STD-464A ii F O R E W O R D 1. This Military Standard is approved for use by all Departments and Agencies of the Department of Defense. 2. This standard contains two sections, the main body and an appendix. The main body of the standard specifies a baseline set of requirements. The appendix po
3、rtion provides rationale, guidance, and lessons learned for each requirement to enable the procuring activity to tailor the baseline requirements for a particular application. The appendix also permits Government and Industry personnel to understand the purpose of the requirements and potential veri
4、fication methodology for a design. The appendix is not a mandatory part of this document. 3. A joint committee consisting of representatives of the Army, Navy, Air Force, other DoD Agencies, and Industry participated in the preparation of the basic version of this standard. 4. Comments, suggestions,
5、 or questions on this document should be addressed to USAF/Aeronautical Systems Center, ASC/ENOI, 2530 Loop Road West, Wright-Patterson AFB, OH 45433-7101 or email to Engineering.Standardswpafb.af.mil. Since contact information can change, you may want to verify the currency of this address informat
6、ion using the ASSIST Online database at http:/www.dodssp.daps.mil/. MIL-STD-464A iii CONTENTS ParagraphPage FOREWORD . ii 1.SCOPE 1 1.1Purpose . 1 1.2Application . 1 2.APPLICABLE DOCUMENTS 1 2.1General 1 2.2Government documents 1 2.2.1Specifications, standards, and handbooks . 1 2.2.2Other Governmen
7、t documents, drawings, and publications . 1 2.3Non-Government publications 2 2.4 Order of precedence 2 3.DEFINITIONS 3 3.1Above deck . 3 3.2Below deck 3 3.3Compromising emanations 3 3.4Electrically initiated device (EID) . 3 3.5 Electromagnetic environmental effects . 3 3.6Launch vehicle . 3 3.7Ligh
8、tning direct effects 3 3.8Lightning indirect effects . 3 3.9Margins 3 3.10Maximum no-fire stimulus 3 3.11Mission critical . 4 3.12Multipaction . 4 3.13Non-developmental item 4 3.14Ordnance 4 3.15Safety critical . 4 3.16Space vehicle . 4 3.17System operational performance requirements 4 3.18TEMPEST 4
9、 4.GENERAL REQUIREMENTS . 5 4.1General 5 5.DETAILED REQUIREMENTS 5 5.1Margins . 5 5.2Intra-system electromagnetic compatibility (EMC) . 5 5.2.1Hull generated intermodulation interference (IMI) 5 5.2.2Shipboard internal electromagnetic environment (EME) . 5 5.2.3Multipaction 6 5.3External RF EME 6 MI
10、L-STD-464A iv CONTENTS ParagraphPage 5.4Lightning . 9 5.5Electromagnetic pulse (EMP) . 9 5.6Subsystems and equipment electromagnetic interference (EMI) . 9 5.6.1Non-developmental items (NDI) and commercial items 11 5.6.2Shipboard DC magnetic field environment 11 5.7Electrostatic charge control 11 5.
11、7.1Vertical lift and in-flight refueling 11 5.7.2Precipitation static (p-static) . 11 5.7.3Ordnance subsystems 11 5.8Electromagnetic radiation hazards (EMRADHAZ) . 11 5.8.1Hazards of electromagnetic radiation to personnel (HERP) . 11 5.8.2Hazards of electromagnetic radiation to fuel (HERF) 12 5.8.3H
12、azards of electromagnetic radiation to ordnance (HERO) . 12 5.9Life cycle, E3 hardness . 13 5.10Electrical bonding . 13 5.10.1 Power current return path . 13 5.10.2 Antennas installations . 13 5.10.3 Mechanical interfaces . 13 5.10.4 Shock, fault, and ignitable vapor protection . 14 5.11External gro
13、unds . 14 5.11.1 Aircraft grounding jacks . 14 5.11.2 Servicing and maintenance equipment grounds . 14 5.12TEMPEST . 14 5.13Emission control (EMCON) . 15 5.14EM spectrum compatibility . 15 6.NOTES . 15 6.1Intended use 15 6.2Associated Data Item Descriptions (DIDs) 15 6.3Tailoring guidance for contra
14、ctual application 16 6.4Subject term (key word) listing 16 6.5International interest 16 6.6Acronyms used in this standard. 16 6.7Technical points of contact . 17 TABLES 1AExternal EME for deck operations on ships . 6 1BExternal EME for shipboard operations in the mean beam of transmitters. 7 1CExter
15、nal EME for space and launch vehicle systems . 7 1DExternal EME for ground systems 7 1EExternal EME for Army rotary wing aircraft . 8 1FExternal EME for fixed wing aircraft, excluding shipboard operations 8 2ALightning indirect effects waveform parameters 9 MIL-STD-464A v CONTENTS Page TABLES 2BElec
16、tromagnetic fields from near strike lightning (cloud-to-ground) . 9 3AExternal EME for HERO . 12 3BOrdnance phases and associated environments . 13 4EMCON Bandwidths . 15 FIGURES 1Lightning direct effects environment 10 2Lightning indirect effects environment . 10 APPENDIX AMIL-STD-464A Application
17、Guide . 19 CONCLUDING MATERIAL 114 MIL-STD-464A vi THIS PAGE INTENTIONALLY BLANK MIL-STD-464A 1 1. SCOPE 1.1 Purpose. This standard establishes electromagnetic environmental effects (E3) interface requirements and verification criteria for airborne, sea, space, and ground systems, including associat
18、ed ordnance. 1.2 Application. This standard is applicable for complete systems, both new and modified. 2. APPLICABLE DOCUMENTS 2.1 General. The documents listed in this section are referenced in sections 3, 4, and 5 of the main body of this standard. This section does not include documents reference
19、d in other sections of this standard or recommended for additional information or examples. While every effort has been made to ensure completeness of this list, document users are cautioned that they must meet all specified requirements of documents cited in sections 3, 4, and 5 of this standard, w
20、hether or not they are listed. 2.2 Government documents 2.2.1 Specifications, standards, and handbooks. The following specifications, standards, and handbooks form a part of this document to the extent specified herein. Unless otherwise specified, the issues of these documents are those cited in the
21、 solicitation or contract. DEPARTMENT OF DEFENSE STANDARDS MIL-STD-331Fuze and Fuze Components, Environmental and Performance Tests for MIL-STD-461 Requirements for the Control of Electromagnetic Interference Characteristics of Subsystems and Equipment MIL-STD-1399-070Interface Standard for Shipboar
22、d Systems, D.C. Magnetic Field Environment MIL-STD-2169 (Classified) High Altitude Electromagnetic Pulse Environment (Copies of these documents are available from the Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philadelphia, PA 19111-5094 or http:/assist2.daps.dla.mil/quic
23、ksearch/ or http:/www.dodssp.daps.mil/. Application for copies of MIL-STD-2169 should be addressed with a need-to-know to: HQ DTRA, ATTN: TD/TDANE, 6801 Telegraph Road, Alexandria, VA 22310-3398. 2.2.2 Other Government documents, drawings, and publications. The following other Government documents,
24、drawings, and publications form a part of this document to the extent specified herein. Unless otherwise specified, the issues are those cited in the solicitation or contract. MIL-STD-464A 2 PUBLICATIONS CNSSAdvisory Memorandum, NONSTOP Evaluation Standard TEMPEST 01-02 DoDD 4650.1Management and Use
25、 of the Radio Frequency Spectrum DoDI 6055.11Protection of DoD Personnel from Exposure to Radio Frequency Radiation and Military Exempt Lasers NSTISSAMCompromising Emanations Laboratory Test TEMPEST/1-92 Requirements, Electromagnetics NTIAManual of Regulations and Procedures for Federal Radio Freque
26、ncy Management (Copies of the NTIA Manual are available from the U.S. Government Printing Office, Superintendent of Documents, P.O. Box 371954, Pittsburgh, PA 15250-7954. Copies of the DoD documents are available from the Standardization Documents Order Desk, 700 Robbins Avenue, Building 4D, Philade
27、lphia, PA 19111-5094 http:/assist2.daps.dla.mil/quicksearch/ or http:/www.dodssp.daps.mil/. Copies of NACSEM and NSTISSAM documents are available only through the procuring activity.) 2.3 Non-Government publications. The following documents form a part of this document to the extent specified herein
28、. Unless otherwise specified, the issues of documents are those specified in the solicitation or contract. AMERICAN NATIONAL STANDARDS INSTITUTE ANSI/IEEE C63.14Standard Dictionary for Technologies of Electromagnetic Compatibility (EMC), Electromagnetic Pulse (EMP), and Electrostatic Discharge (ESD)
29、 (Copies are available from the Institute of Electrical and Electronic Engineers (IEEE) Service Center, 445 Hoes Lane, P.O. Box 1331, Piscataway, NJ 08855-1331 or http:/www.ieee.org/.) INTERNATIONAL ORGANIZATION FOR STANDARDIZATION (ISO) ISO 46Aircraft - Fuel Nozzle Grounding Plugs and Sockets (Copi
30、es of this document are available from the International Organization for Standardization, 3 rue de Varembe, 1211 Geneve 20, Geneve, Switzerland or http:/www.iso.ch/iso/en/ISOOnline.openerpage.) 2.4 Order of precedence. In the event of a conflict between the text of this document and the references
31、cited herein, the text of this document takes precedence. Nothing in this document, however, supersedes applicable laws and regulations unless a specific exemption has been obtained. MIL-STD-464A 3 3. DEFINITIONS The terms used in this standard are defined in ANSI Standard C63.14. In addition, the f
32、ollowing definitions are applicable for the purpose of this standard. 3.1 Above deck. An area on ships, which is directly exposed to the external electromagnetic environment, and is not considered to be below deck as defined herein. 3.2 Below deck. An area on ships which is surrounded by a metallic
33、structure or an area which provides an equivalent attenuation to electromagnetic radiation, such as the metal hull or superstructure of a surface ship, the hull of a submarine and the screened rooms in non-metallic ships. 3.3 Compromising emanations. Unintentional intelligence-bearing signals which,
34、 if intercepted and analyzed, disclose the national security information transmitted, received, handled, or otherwise processed by any classified information processing system. 3.4 Electrically initiated device (EID). An EID is a single unit, device, or subassembly that uses electrical energy to pro
35、duce an explosive, pyrotechnic, thermal, or mechanical output. Examples include: electroexplosive devices (such as hot bridgewire, semiconductor bridge, carbon bridge, and conductive composition), exploding foil initiators, laser initiators, burn wires, and fusible links. 3.5 Electromagnetic environ
36、mental effects. The impact of the electromagnetic environment upon the operational capability of military forces, equipment, systems, and platforms. It encompasses all electromagnetic disciplines, including electromagnetic compatibility; electromagnetic interference; electromagnetic vulnerability; e
37、lectromagnetic pulse; hazards of electromagnetic radiation to personnel, ordnance, and volatile materials; and natural phenomena effects of lightning and p-static. 3.6 Launch vehicle. A composite of the initial stages, injection stages, space vehicle adapter, and fairing having the capability of lau
38、nching and injecting a space vehicle or vehicles into orbit. 3.7 Lightning direct effects. Any physical damage to the system structure and electrical or electronic equipment due to the direct attachment of the lightning channel and current flow. These effects include puncture, tearing, bending, burn
39、ing, vaporization, or blasting of hardware. 3.8 Lightning indirect effects. Electrical transients induced by lightning due to coupling of electromagnetic fields. 3.9 Margins. The difference between the subsystem and equipment electromagnetic strength level, and the subsystem and equipment stress lev
40、el caused by electromagnetic coupling at the system level. Margins are normally expressed as a ratio in decibels (dB). 3.10 Maximum no-fire stimulus. The greatest firing stimulus which does not cause initiation within five minutes of more than 0.1% of all electric initiators of a given design at a c
41、onfidence level of 95%. When determining maximum no-fire stimulus for electric initiators with a delay MIL-STD-464A 4 element or with a response time of more than five minutes, the firing stimulus is applied for the time normally required for actuation. 3.11 Mission critical. Unless otherwise define
42、d in the procurement specification, a term applied to a condition, event, operation, process, or item which if performed improperly, may: 1) prohibit execution of a mission, 2) significantly reduce the operational capability, or 3) significantly increase system vulnerability. 3.12 Multipaction. Mult
43、ipaction is a radio frequency (RF) resonance effect that occurs only in a high vacuum where RF field accelerates free electrons resulting in collisions with surfaces creating secondary electrons that are accelerated resulting in more electrons and ultimately a major discharge and possible equipment
44、damage. 3.13 Non-developmental item. Non-developmental item is a broad, generic term that covers material, both hardware and software, available from a wide variety of sources with little or no development effort required by the Government. 3.14 Ordnance. Explosives, chemicals, pyrotechnics, and sim
45、ilar stores (such as bombs, guns, and ammunitions, flares, smoke and napalm) carried on an airborne, sea, space, or ground system. 3.15 Safety critical. Unless otherwise defined in the procurement specification, a term applied to a condition, event, operation, process, or item whose proper recogniti
46、on, control, performance or tolerance is essential to safe system operation or use; for example, safety critical function, safety critical path, or safety critical component. 3.16 Space vehicle. A complete, integrated set of subsystems and components capable of supporting an operational role in spac
47、e. A space vehicle may be an orbiting vehicle, a major portion of an orbiting vehicle, or a payload of an orbiting vehicle which performs its mission while attached to a recoverable launch vehicle. The airborne support equipment, which is peculiar to programs utilizing a recoverable launch vehicle,
48、is considered a part of the space vehicle being carried by the launch vehicle. 3.17 System operational performance. A set of minimal acceptable parameters tailored to the platform and reflecting top level capabilities such as range, probability of kill, probability of survival, operational availabil
49、ity, and so forth. A primary aspect of acquisition related to this definition are key performance parameters (KPPs), which are used in acquisition to specify system characteristics that are considered most essential for successful mission accomplishment and that are tracked during development to evaluate the