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最新Circularletter汇总
Circularletter
Circularletter
SN/Circ.243
GUIDELINESFORTHEPRESENTATIONOFNAVIGATION-RELATEDSYMBOLS,TERMSANDABBREVIATIONS
(adoptedon7December2004)
1.TheSub-CommitteeonSafetyofNavigation(NAV),atitsfiftiethsession(5to9July2004),agreedonGuidelinesforthePresentationofNavigation-RelatedSymbols,giveninAnnex1,andTermsandAbbreviations,giveninAnnex2,alsoagreedthattheyshouldbeusedforthedisplayofnavigation-relatedinformationonallshipbornenavigationalequipmentandsystemsinconsistentanduniformmanner.
2.TheMaritimeSafetyCommittee,atitsseventy-ninthsession(1to10December2004),concurredwiththeSub-Committee'sviews,approvedtheannexedGuidelinesandencouragedtheiruseforallshipbornenavigationalsystemsandequipment.
3.MemberGovernmentsareinvitedtobringtheannexedGuidelinestotheattentionofallconcerned.
Annex1.
GUIDELINESFORTHEPRESENTATIONOFNAVIGATION-RELATEDSYMBOLS
1.Purpose
ThepurposeoftheseannexedGuidelinesistoprovideguidanceontheappropriateuseofnavigation-relatedsymbolstoachieveaharmonizedandconsistentpresentation.
2.Scope
TheuseoftheseGuidelineswillinsurethatthesymbolsusedforthedisplayofnavigation-relatedinformationonaftshipbornenavigationalsystemsandequipmentarepresentedinaconsistentanduniformmanner.
3.Application
TheseGuidelinesapplytoallshipbornenavigationalsystemsandequipment.ThesymbolslistedintheAppendixshouldbeusedforthedisplayofnavigation-relatedinformationtopromoteconsistencyinthesymbolpresentationonnavigationalequipment.
ThesymbolslistedintheAppendixshouldreplacesymbolswhicharecurrentlycontainedinexistingperformancestandards.Whereastandardsymbolisnotavailable,anothersymbolmaybeused,butthissymbolshouldnotconflictwiththesymbolslistedintheAppendix.
Appendix.
NAVIGATION-RELATEDSYMBOLS
Table1:
OwnShipSymbols
Topic
Symbol
Description
Ownship
Doublecircle,locatedatownship'sreferenceposition.Useofthissymbolisoptional,ifownshippositionisshownbythecombinationofHeadingLineandBeamLine
OwnShipTruescaleoutline
Truescaleoutlinelocatedrelativetoownship'sreferenceposition,orientedalongownship'sheading.Usedonsmallranges/largescales
OwnShipRadarAntennaPosition
Cross,locatedonatruescaleout-lineoftheshipatthephysicallocationoftheradarantennathatisthecurrentsourceofdisplayedradarvideo
OwnShipHeadingline
Solidlinethinnerthanthespeedvectorlinestyle,drawntothebearingringoroffixedlength,ifthebearingringisnotdisplayed.Originisatownship'sreferencepoint
OwnShipBeamline
Solidlineoffixedlength;optionallylengthvariablebyoperator.Midpointatownship'sreferencepoint
Topic
Symbol
Description
OwnShipSpeedvector
Dashedline—shortdasheswithspacesapproximatelytwicethelinewidthofheadingline.Timeincrementsbetweentheoriginandendpointmayoptionallybemarkedalongthevectorusingshortintersectinglines.
ToindicateWater/Groundstabilizationoptionallyonearrowheadforwaterstabilizationandtwoarrowheadsforgroundstabilizationmaybeadded
OwnShipPathprediction
Acurvedvectormaybeprovidedasapathpredictor
OwnShipPastTrack
Thicklineforprimarysource.Thinlineforsecondarysource.Optionaltimemarksareallowed
Table2:
TrackedRadarTargetSymbols
Topic
Symbol
Description
TrackedTargetincludingDangerousTarget
Solidfilledorunfilledcirclelocatedattargetposition.Thecourseandspeedvectorshouldbedisplayedasdashedline,withshortdasheswithspacesapproximatelytwicethelinewidth.
Optionally,timeincrements,maybemarkedalongthevector.Fora"DangerousTarget»,bold,red(oncolourdisplay)solidcirclewithcourseandspeedvector,flashinguntilacknowledged
TargetinAcquisitionState
Circlesegmentsintheacquiredtargetstate.Forautomaticacquisition,boldcirclesegments,flashingandred(oncolourdisplay)untilacknowledged
LostTarget
Boldlinesacrossthecircle,flashinguntilacknowledged
SelectedTarget
Asquareindicatedbyitscornerscenteredaroundthetargetsymbol
TargetPastPositions
Dots,equallyspacedbytime
TrackedReferenceTarget
LargeRadjacenttodesignatedtrackedtarget.MultiplereferencetargetsshouldbemarkedasRl,R2,R3,etc.
Table3:
AISTargetSymbols
Topic
Symbol
Description
AISTarget(sleeping)
Anisosceles,acute-angledtriangleshouldbeused.Thetriangleshouldbeorientedbyheading,orCOGifheadingmissing.Thereportedpositionshouldbelocatedatcentreandhalftheheightofthetriangle.Thesymbolofthesleepingtargetshouldbesmallerthanthatoftheactivatedtarget
ActivatedAISTargetIncludingDangerousTarget
Anisosceles,acute-angledtriangleshouldbeused.Thetriangleshouldbeorientedbyheading,orCOGifheadingmissing.Thereportedpositionshouldbelocatedatcentreandhalftheheightofthetriangle.TheCOG/SOGvectorshouldbedisplayedasadashedlinewithshortdasheswithspacesapproximatelytwicethelinewidth.Optionally,timeincrementsmaybemarkedalongthevector.Theheadingshouldbedisplayedasasolidlinethinnerthanspeedvectorlinestyle,lengthtwiceofthelengthofthetrianglesymbol.Originoftheheadinglineistheapexofthetriangle.Theturnshouldbeindicatedbyaflagoffixedlengthaddedtotheheadingline.
Apathpredictormaybeprovidedascurvedvector.Fora"DangerousAISTarget»,bold,red(oncolourdisplay)solidtrianglewithcourseandspeedvector,flashinguntilacknowledged
Topic
Symbol
Description
AISTarget-TrueScaleOutline
Atruescaleoutlinemaybeaddedtothetrianglesymbol.Itshouldbe:
Locatedrelativetoreportedpositionandaccordingtoreportedpositionoffsets,beamandlength.Orientedalongtarget'sheading.Usedonlowranges/largescales
Selectedtarget
Asquareindicatedbyitscornersshouldbedrawnaroundtheactivatedtargetsymbol
Losttarget
Trianglewithboldsolidcross.Thetriangleshouldbeorientedperlastknownvalue.Thecrossshouldhaveafixedorientation.Thesymbolshouldflashuntilacknowledged.
Thetargetshouldbedisplayedwithoutvector,headingandrateofturnindication
TargetPastPositions
Dots,equallyspacedbytime
Table4:
OtherSymbols
Topic
Symbol
Description
AISBasedAtoNRealPositionofChartedObject
Diamondwithcrosshaircenteredatreportedposition.(Shownwithchartsymbol.Chartsymbolnotrequiredforradar.)
AISBasedAtoNVirtualposition
Diamondwithcrosshaircenteredatreportedposition
MonitoredRoute
Dashedboldline,waypoints(WPT)ascircles
PlannedorAlternateRoute
Dottedline,WPTascircles
TrialManoeuvre
LargeTonscreen
SimulationMode
LargeSonscreen
Cursor
Crosshair(twoalternatives,onewithopencentre)
RangeRings
Solidcircles
VariableRangeMarkers(VRM)
Circle.AdditionalVRMshouldbedistinguishablefromtheprimaryVRM
Topic
Symbol
Description
ElectronicBearingLines(EBL)
Dashedline.AdditionalEBLshouldbedistinguishablefromtheprimaryEBL
AcquisitionActivationArea
Solidlineboundaryforanarea
EventMark
Rectanglewithdiagonalline,clarifiedbyaddedtext(e.g."MOB»formanoverboardcases)
Annex2.
GUIDELINESFORTHEPRESENTATIONOFNAVIGATION-DELATED
TERMSANDABBREVIATIONS
1.Purpose
ThepurposeoftheseGuidelinesistoprovideguidanceontheuseofappropriatenavigation-relatedterminologyandabbreviationsintendedforpresentationonshipbornenavigationaldisplays.Thesearebasedontermsandabbreviationsusedinexistingnavigationreferences.
2.Scope
Theseguidelinesareissuedtoensurethatthetermsandabbreviationsusedforthedisplayofnavigation-relatedinformationonallshipbornenavigationequipmentandsystemsareconsistentanduniform.
3.Application
TheseGuidelinesapplytoallshipbornenavigationalsystemsandequipmentincluding,radar,ECDIS;AIS,INSandIBS.Whennavigation-relatedinformationisdisplayedastext,thestandardtermsorabbreviationslistedintheAppendixshouldbeused,insteadofusingtermsandabbreviationswhicharecurrentlycontainedinexistingperformancestandards.
Whereastandardtermandabbreviationisnotavailable,an-othertermorabbreviationmaybeused.ThistermorabbreviationshouldnotconflictwiththestandardtermsorabbreviationslistedintheAppendixandprovideaclearmeaning.Standardmarineterminologyshouldbeusedforthispurpose.Whenthemeaningisnotclearfromitscontext,thetermshouldnotbeabbreviated.
Unlessotherwisespecified,standardtermsshouldbeshowninlowercasewhileabbreviationsshouldbepresentedusingup-percase.
APPENDIXLISTOFSTANDARDTERMSANDABBREVIATIONS
Term
Abbreviation
Acknowledge
ACК
Acquire,Acquisition
ACQ
AcquisitionZone
AZ
Adjust,Adjustment
ADJ
Aft
AFT
Alarm
ALARM
Altitude
ALT
AmplitudeModulation
AM
AnchorWatch
ANCH
Antenna
ANT
AntiClutterRain
RAIN
AntiClutterSea
SEA
April
APR
Audible
AUD
August
AUG
Automatic
AUTO
Term
Abbreviation
AutomaticFrequencyControl
AFC
AutomaticGainControl
AGС
AutomaticIdentificationSystem
AIS
AuxiliarySystem/Function
AUX
Available
AVAIL
Background
BKGND
Bearing
BRG
BearingWaypointToWaypoint
BWW
Brilliance
BRILL
BuiltinTestEquipment
BITE
Calibrate
CAL
Cancel
CNCL
Carried(e.g.carriedEBLorigin)
С
Centre
CENT
Change
CHG
CircularPolarised
CP
Clear
CLR
ClosestPointofApproach
CPA
ConsistentCommonReferencePoint