SIST EN 301 466:2001

• Abstract:

  ETS for equipment to be used in maritime mobile services and forming part of the Global Maritime Distress and Safety System (GMDSS)

• Status: Published
• Publication Date: 31-Aug-2001
• ICS: 33.060.20 - Receiving and transmitting equipment
• ICS: 33.100.01 - Electromagnetic compatibility in general
• ICS: 47.020.70 - Navigation and control equipment
• Technical Committee: RES - Radio equipment and systems
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Sep-2001
• Due Date: 01-Sep-2001
• Completion Date: 01-Sep-2001
• Ref Project: ETSI EN 301 466 V1.1.1 (2000-10) - ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Technical characteristics and methods of measurement for two-way VHF radiotelephone apparatus for fixed installation in survival craft

Overview

SIST EN 301 466:2001 is a standard developed by the Slovenski inštitut za standardizacijo (SIST), adopting the European Standard EN 301 466. It specifies the electromagnetic compatibility (EMC) and radio spectrum requirements for two-way VHF radiotelephone apparatus designed for fixed installation in survival craft. These requirements are critical for ensuring the effective operation of radio equipment as part of the Global Maritime Distress and Safety System (GMDSS), enhancing maritime safety and facilitating reliable emergency communication.

The standard defines the minimum technical characteristics and sets out measurement methods to verify compliance. It covers aspects from construction, operational frequency, and power parameters to environmental resilience, targeting equipment used in maritime mobile services. Adhering to this standard supports harmonization across the maritime industry and compliance with international regulatory frameworks.

Key Topics

• Electromagnetic Compatibility (EMC):

  • Ensures that the equipment operates without causing or suffering from unacceptable interference.
  • Includes emission and immunity requirements to mitigate electromagnetic disturbances.

• Radio Spectrum Management:

  • Outlines technical criteria necessary for optimal use of the VHF frequency bands, supporting reliable communication links.
  • Addresses transmitter and receiver performance requirements, such as frequency stability and spurious emission limitations.

• Technical Characteristics:

  • Covers construction details, operational controls, switching time, safety features, and emission classes.
  • Provides requirements for battery operation, labelling, power sources, and environmental protections.

• Measurement Methods:

  • Specifies test procedures for EMC, frequency stability, audio performance, and environmental resilience.
  • Incorporates detailed guidelines for testing under normal and extreme temperature, humidity, vibration, corrosion, and immersion conditions.

Applications

SIST EN 301 466:2001 is primarily relevant to manufacturers, regulators, and operators involved with:

• Survival Craft Equipment:

  • Ensures that fixed VHF radiotelephone apparatus installed on survival craft such as lifeboats and life rafts perform reliably in emergency situations.
  • Supports mandatory safety communications required by international maritime law (SOLAS, GMDSS).

• Maritime Mobile Services:

  • Contributes to overall vessel communications strategy, providing a reliable link for distress and safety calls.
  • Ensures compatibility between different types and models of maritime radio equipment.

• Testing Laboratories and Certification Bodies:

  • Provides standardized measurement and testing protocols for product approval and market access.
  • Supports test houses in assessing compliance prior to equipment deployment.

• Regulatory Compliance:

  • Facilitates alignment with European and international maritime regulations, ensuring continued access to controlled waters and ports.

Related Standards

• EN 301 466: The primary European standard this SIST document adopts, reflecting harmonized requirements for VHF radiotelephone apparatus in survival craft.
• EN 60945: Standard for maritime navigation and radiocommunication equipment concerning general requirements and testing.
• EN 300 162: Concerns maritime VHF radiotelephone equipment for ship stations and survival craft, detailing additional technical specifications.
• ISO/IEC 17025: Relevant for testing and calibration laboratories adhering to EMC and radio equipment testing.

Conclusion

Compliance with SIST EN 301 466:2001 ensures reliable, safe, and interoperable maritime communication solutions vital for emergency situations at sea. By addressing comprehensive technical and environmental requirements for VHF radiotelephones in survival craft, this standard supports both regulatory compliance and the broader objectives of global maritime safety initiatives. For ship operators, equipment manufacturers, and regulators, adherence to this standard is an essential element in the pursuit of robust and dependable maritime communication systems.

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.ElectroMagnetic Compatibility and Radio Spectrum Matters (ERM); Technical characteristics and methods of measurement for two-way VHF radiotelephone apparatus for fixed installation in survival craft47.020.70Navigacijska in krmilna opremaNavigation and control equipment33.100.01Elektromagnetna združljivost na splošnoElectromagnetic compatibility in general33.060.20Sprejemna in oddajna opremaReceiving and transmitting equipmentICS:Ta slovenski standard je istoveten z:EN 301 466 Version 1.1.1SIST EN 301 466:2001en01-september-2001SIST EN 301 466:2001SLOVENSKI
STANDARD
ETSIEN301466V1.1.1(2000-10)EuropeanStandard(Telecommunicationsseries)ElectromagneticcompatibilityandRadiospectrumMatters(ERM);Technicalcharacteristicsandmethodsofmeasurementfortwo-wayVHFradiotelephoneapparatusforfixedinstallationinsurvivalcraftSIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)2ReferenceDEN/ERM-RP01-015Keywordsemergency,GMDSS,maritime,radio,VHFETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)3ContentsIntellectualPropertyRights.8Foreword.81Scope.92References.93Definitions,symbolsandabbreviations.103.1Definitions.103.2Symbols.103.3Abbreviations.104Generalrequirements.104.1Construction.104.2Frequenciesandpower.114.3Controls.114.4Switchingtime.124.5Safetyprecautions.124.6Classofemissionandmodulationcharacteristics.124.7Battery.124.8Labelling.125Testconditions,powersourcesandambienttemperatures.135.1Normalandextremetestconditions.135.2Testpowersource.135.3Normaltestconditions.135.3.1Normaltemperatureandhumidity.135.3.2Normalpowersources.135.3.2.1Externalbatterypowersource.135.3.2.2Integratedbatterypowersource.135.4Extremetestconditions.145.4.1Extremetemperatures.145.4.1.1Upperextremetemperature.145.4.1.2Lowerextremetemperature.145.4.2Extremetestpowersupplyvalues.145.4.2.1Upperextremetestvoltage.145.4.2.1.1Externalbatterypowersource.145.4.2.1.2Internalbatterypowersource.145.4.2.2Lowerextremetestvoltage.145.4.2.2.1Externalbatterypowersource.145.4.2.2.2Internalbatterypowersource.145.5Procedurefortestsatextremetemperatures.146Generalconditionsofmeasurement.156.1Testconnections.156.2Arrangementsfortestsignalsappliedtothereceiverinput.156.3Receivermuteorsquelchfacility.156.4Normaltestmodulation.156.5Artificialantenna.156.6Testchannels.156.7Measurementuncertaintyandinterpretationofthemeasuringresults.156.7.1Measurementuncertainty.156.7.2Interpretationofthemeasurementresults.167Environmentaltests.167.1Introduction.167.2Procedure.167.3Performancecheck.177.4Vibrationtest.17SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)47.4.1Definition.177.4.2Methodofmeasurement.177.4.3Requirement.177.5Shocktests.187.5.1Definition.187.5.2Methodofmeasurement.187.5.3Requirement.187.6Temperaturetests.187.6.1General.187.6.2Dryheatcycle.187.6.2.1Methodofmeasurement.187.6.2.2Requirement.187.6.3Dampheatcycle.197.6.3.1Methodofmeasurement.197.6.3.2Requirement.197.6.4Lowtemperaturecycle.197.6.4.1Methodofmeasurement.197.6.4.2Requirement.197.7Corrosiontest.207.7.1General.207.7.2Methodofmeasurement.207.7.3Requirements.207.8Immersiontest.217.8.1Methodofmeasurement.217.8.2Requirements.217.9Thermalshock.217.9.1Methodofmeasurement.217.9.2Requirements.217.10Oilresistancetest.217.10.1Methodofmeasurement.217.10.2Requirement.228Transmitter.228.1Frequencyerror.228.1.1Definition.228.1.2Methodofmeasurement.228.1.3Limit.228.2Carrierpower.228.2.1Definitions.228.2.2Methodofmeasurement.228.2.3Limits.228.3Frequencydeviation.238.3.1Definition.238.3.2Maximumfrequencydeviation.238.3.2.1Methodofmeasurement.238.3.2.2Limit.238.3.3Reductionoffrequencydeviationatmodulationfrequenciesabove3kHz.238.3.3.1Methodofmeasurement.238.3.3.2Limits.238.4Sensitivityofthemodulator,includingmicrophone.248.4.1Definition.248.4.2Methodofmeasurement.248.4.3Limit.248.5Audiofrequencyresponse.248.5.1Definition.248.5.2Methodofmeasurement.248.5.3Limit.248.6Audiofrequencyharmonicdistortionoftheemission.258.6.1Definition.258.6.2Methodofmeasurement.258.6.2.1Normaltestconditions.258.6.2.2Extremetestconditions.25SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)58.6.3Limit.258.7Adjacentchannelpower.258.7.1Definition.258.7.2Methodofmeasurement.258.7.3Limit.268.8Conductedspuriousemissionsconveyedtotheantenna.268.8.1Definition.268.8.2Methodofmeasurement.268.8.3Limit.268.9Cabinetradiationandconductedspuriousemissionsotherthanthoseconveyedtotheantenna.268.9.1Definitions.268.9.2Methodofmeasurement.268.9.3Limits.278.10Residualmodulationofthetransmitter.278.10.1Definition.278.10.2Methodofmeasurement.288.10.3Limit.288.11Transientfrequencybehaviourofthetransmitter.288.11.1Definitions.288.11.2Methodofmeasurement.298.11.3Limits.309Receiver.329.1Harmonicdistortionandratedaudiofrequencyoutputpower.329.1.1Definition.329.1.2Methodsofmeasurement.329.1.3Limits.329.2Audiofrequencyresponse.329.2.1Definition.329.2.2Methodofmeasurement.329.2.3Limits.339.3Maximumusablesensitivity.339.3.1Definition.339.3.2Methodofmeasurement.349.3.3Limits.349.4Co-channelrejection.349.4.1Definition.349.4.2Methodofmeasurement.349.4.3Limit.349.5Adjacentchannelselectivity.349.5.1Definition.349.5.2Methodofmeasurement.359.5.3Limits.359.6Spuriousresponserejection.359.6.1Definition.359.6.2Methodofmeasurement.359.6.3Limit.359.7Intermodulationresponse.369.7.1Definition.369.7.2Methodofmeasurement.369.7.3Limit.369.8Blockingordesensitization.369.8.1Definition.369.8.2Methodofmeasurement.369.8.3Limit.379.9Conductedspuriousemissions.379.9.1Definition.379.9.2Methodofmeasurement.379.9.3Limit.379.10Radiatedspuriousemissions.379.10.1Definition.379.10.2Methodofmeasurements.37SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)69.10.3Limit.389.11Amplituderesponseofthereceiverlimiter.389.11.1Definition.389.11.2Methodofmeasurement.389.11.3Limit.389.12Receivernoise.389.12.1Definition.389.12.2Methodofmeasurement.399.12.3Limit.399.13Squelchoperation.399.13.1Definition.399.13.2Methodofmeasurement.399.13.3Limits.399.14Squelchhysteresis.409.14.1Definition.409.14.2Methodofmeasurement.409.14.3Limit.4010Secondarybatterycharger.4010.1General.4010.2Environmentaltests.4010.2.1Introduction.4010.2.2Vibrationtest.4010.2.2.1Definition.4010.2.2.2Methodofmeasurement.4110.2.2.3Requirement.4110.2.3Shocktests.4110.2.3.1Definition.4110.2.3.2Methodofmeasurement.4110.2.3.3Requirement.4110.2.4Temperaturetests.4210.2.4.1General.4210.2.4.2Dryheatcycle.4210.2.4.3Dampheatcycle.4210.2.4.4Lowtemperaturecycle.4210.2.5Corrosiontest.4210.2.5.1General.4210.2.5.2Methodofmeasurement.4310.2.5.3Requirements.4310.3Chargingtime.43AnnexA(normative):Measuringreceiverforadjacentchannelpowermeasurement.44A.1Powermeasuringreceiverspecification.44A.1.1IFfilter.44A.1.2Attenuationindicator.45A.1.3rmsvalueindicator.45A.1.4Oscillatorandamplifier.45AnnexB(normative):Radiatedmeasurements.46B.1Testsitesandgeneralarrangementsformeasurementsinvolvingtheuseofradiatedfields.46B.1.1Outdoortestsite.46B.1.2Testantenna.47B.1.3Substitutionantenna.47B.1.4Optionaladditionalindoorsite.47B.2Guidanceontheuseofradiationtestsites.48B.2.1Measuringdistance.48B.2.2Testantenna.48B.2.3Substitutionantenna.48B.2.4Artificialantenna.49B.2.5Auxiliarycables.49SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)7B.2.6Acousticmeasuringarrangement.49B.3Furtheroptionalalternativeindoortestsiteusingananechoicchamber.49B.3.1Exampleoftheconstructionofashieldedanechoicchamber.50B.3.2Influenceofparasiticreflectionsinanechoicchambers.50B.3.3Calibrationoftheshieldedanechoicchamber.51B.4Standardposition.53History.54SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)8IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeElectromagneticcompatibilityandRadiospectrumMatters(ERM).NationaltranspositiondatesDateofadoptionofthisEN:13October2000DateoflatestannouncementofthisEN(doa):31January2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31July2001DateofwithdrawalofanyconflictingNationalStandard(dow):31July2001SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)91ScopeThepresentdocumentstatestheminimumtechnicalcharacteristicsrequiredforVHFradiotelephoneequipment,operatinginthebandsbetween156MHzand174MHzallocatedtotheMaritimeMobileServicesandsuitableforfixedinstallationsinsurvivalcraftinaccordancewiththeprovisionsoftheGlobalMaritimeDistressandSafetySystem(GMDSS).TherelevantrequirementsdetailedintheRadioRegulations[1],InternationalConventionfortheSafetyOfLifeAtSeaSOLAS1974[6]andtheInternationalMaritimeOrganizationResolutionsA.694[3]andA.809[2]aswellasallrelevantrequirementsofEN60945[9]areincorporatedinthepresentdocument.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]RadioRegulations1998,AppendixS-18:"TableoftransmittingfrequenciesintheVHFmaritimemobileband".[2]InternationalMaritimeOrganizationResolutionA.809(19):"PerformancestandardsforsurvivalcrafttwowayVHFradiotelephoneapparatus".[3]InternationalMaritimeOrganizationResolutionA.694(17):"Generalrequirementsforship-borneradioequipmentformingpartoftheGlobalMaritimeDistressandSafetySystem(GMDSS)".[4]ETSIETR028:"RadioEquipmentandSystems(RES);Uncertaintiesinthemeasurementofmobileradioequipmentcharacteristics".[5]ITU-TRecommendationP.53(1994):"Psophometerforuseontelephone-typecircuits".[6]SOLAS1974:"InternationalMaritimeOrganization(IMO),InternationalConventionfortheSafetyOfLifeAtSea(SOLAS),(1974asamended)".[7]IEC60068-2-27:"Environmentaltesting.Part2:Tests.TestEaandguidance:Shock".[8]ETSIETR273:"ElectromagneticCompatibilityandradiospectrumMatters(ERM);Improvementofradiatedmethodsofmeasurement(usingtestsites)andevaluationofthecorrespondingmeasurementincertainties".[9]EN60945(1997):"Maritimenavigationandradiocommunicationequipmentandsystems-Generalrequirements-Methodsoftestingandrequiredtestresults".[10]ISORecommendation694(1968):"Shipsandmarinetechnology-Positioningofmagneticcompassesinships".SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)103Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:modulationindex:ratioofthefrequencydeviationtothemodulationfrequencyratedoutputpower:outputpowerasdefinedbythemanufacturer3.2SymbolsForthepurposesofthepresentdocument,thefollowingsymbolsapply:dBAAcousticlevelindBrelativeto2×10-5PascalgAccelerationofgravity(≈9,81m/s2)G3EPhasemodulationforvoiceQRatioofanobservedaccelerationattheequipmenttotheaccelerationatthebaseofthevibrationtable3.3AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:adamplitudedifferenceDSCDigitalSelectiveCallingemfelectro-motiveforceERPEffectiveRadiatedPowerEUTEquipmentundertestfdfrequencydifferenceGMDSSGlobalMaritimeDistressandSafetySystemIFIntermediateFrequencyRFRadioFrequencyrmsrootmeansquareSINAD(Signal+Noise+Distortion)/(Noise+Distortion)ratioSOLASInternationalConventionfortheSafetyofLifeatSea4Generalrequirements4.1ConstructionTheequipmentshallbecapableofbeingusedforon-scenecommunicationsbetweensurvivalcraft,betweensurvivalcraftandshipandbetweensurvivalcraftandrescueunit.Theequipmentshallcompriseatleast:• atransmitterandreceiver;• anantennawhichmaybefixedtotheequipmentormountedseparately;and• amicrophonewithpress-to-talkswitchandaloudspeaker.Theequipmentshallbefittedwithanexternal50Ωantennaconnector.Theequipmentmaybeoperatedfromanexternalorintegratedpowersource.Anintegratedpowersourcemayconsistofprimaryorsecondarybatteries.SIST EN 301 466:2001

ETSIETSIEN301466V1.1.1(2000-10)11Themechanicalandelectricalconstructionandfinishoftheequipmentshallconforminallrespectstogoodengineeringpracticeandtheequipmentshallbesuitableforuseinsurvivalcraftatsea.Allcontrolsshallbeofsufficientsizetoenabletheusualcontrolfunctionstobeeasilyperformedbyauserwearingglovesforimmersionsuits,inaccordancewithSOLAS1974[6]ChapterIII,Regulation33.Thenumberofcontrolsshouldbetheminimumnecessaryforsimpleandsatisfactoryoperation
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