Class - Localizer

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<<feature>> A component of an ILS consisting of a VHF transmitter, radiating signals in the direction served by the ILS, to provide a straight line descent path in the vertical plane containing the centre line of the runway.

Inheritance

This is a specialization of the NavaidEquipment class and it inherits all attributes and associations of that class.

List of attributes

Name	Data Type	Definition
frequency	ValFrequencyType	The frequency of the localizer.
magneticBearing	ValBearingType	The measured angle between the localizer beam and Magnetic North at the localizer antenna.
magneticBearingAccuracy	ValAngleType	Accuracy of the measured angle between the localizer beam and Magnetic North at the localizer antenna.
trueBearing	ValBearingType	The measured angle between the localizer beam and True North at the localizer antenna. Note : The True North is the north point at which the meridian lines meet.
trueBearingAccuracy	ValAngleType	Accuracy of the measured angle between the localizer beam and True North at the localizer antenna.
declination	ValMagneticVariationType	The angular difference between True North and the station declination (Magnetic North - as indicated by the station).
widthCourse	ValAngleType	The localizer course width, in degrees.
widthCourseAccuracy	ValAngleType	Accuracy of the localizer course width, in degrees.
backCourseUsable	CodeILSBackCourseType	A code indicating the usability of the localizer signal in the back course sector.
designator	CodeNavaidDesignatorType	The identifying code given to the navaid.	Inherited from NavaidEquipment
name	TextNameType	The long name given to the navaid equipment.	Inherited from NavaidEquipment
emissionClass	CodeRadioEmissionType	A code indicating the type of emission, as defined at the 1979 ITU World Administrative Radio Conference.	Inherited from NavaidEquipment
mobile	CodeYesNoType	Indicates if the navaid equipment is mobile.	Inherited from NavaidEquipment
magneticVariation	ValMagneticVariationType	The measured angle between Magnetic North and True North at the VOR and at the time reported in dateMagneticVariation. By convention, the measure is expressed as a positive number if Magnetic North is to the east of True North and negative if Magnetic North is to the west of True North. Therefore, magnetic bearing + magnetic variation = true bearing. The following rule of thumb applies: ""variation east-magnetic least, variation west-magnetic best"".	Inherited from NavaidEquipment
magneticVariationAccuracy	ValAngleType	The accuracy of the measured angle between Magnetic North and True North at the VOR and at the time reported in dateMagneticVariation	Inherited from NavaidEquipment
dateMagneticVariation	DateYearType	The year the magnetic variation was measured.	Inherited from NavaidEquipment
flightChecked	CodeYesNoType	Indicates if the navaid equipment has been flight checked.	Inherited from NavaidEquipment

Navigable associations from Localizer

Association	Multiplicity	Role	To	Role description
isPlacedAt	0..1	location	ElevatedPoint	the graphical location of the component	Inherited from NavaidEquipment
isUnderResponsibilityOf	0..*	authority	OrganisationAuthority	The organization responsible for the equipment (could be owner or operator).	Inherited from NavaidEquipment
isUnmonitoredBy	0..*	monitoring	NavaidEquipmentMonitoring	Navaid equipment monitoring information.	Inherited from NavaidEquipment
worksBy	0..*	availability	NavaidOperationalStatus	The operational status of the navaid equipment.	Inherited from NavaidEquipment
hasAnnotations	0..*	annotation	Note		Inherited from NavaidEquipment

Used By (diagrams)

2 - Navaid Equipment

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Class - Localizer

Inheritance

List of attributes

Navigable associations from Localizer

Used By (diagrams)