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Coding Rules for ILS/Localizer systems

IdentifierData Encoding RuleJustificationData Verification Rule (UID)Remarks
ILZ-101The Localizer.designator attribute is mandatory.Minimum AIP data setTBD
ILZ-102The Localizer.magneticVariation attribute is mandatory.Minimum AIP data setTBD
ILZ-103The Localizer.dateMagneticVariation attribute should be provided.PANS-AIMTBD
ILZ-104The Localizer.magneticVariationAccuracy attribute should be provided.PANS-AIMTBD
ILZ-105The Localizer.frequency attribute is mandatory.Minimum AIP data setTBD
IGP-101The Glidepath.frequency attribute is mandatory.Minimum AIP data setTBD
ILZ-
104
106The Localiser.location property is mandatory.Minimum AIP data setTBD
IGP-102The Glidepath.location property is mandatory.Minimum AIP data setTBD
IGP-103The Glidepath.slope property is mandatory.PANS-AIMTBD
IGP-104The Glidepath.angleAccuracy property should be provided.PANS-AIMTBD
IGP-105The Glidepath.rdh property sis mandatory.PANS-AIMTBD
IGP-106The Glidepath.rdhAccuracy property should be provided.PANS-AIMTBD
ILZ-107Either the Localizer.magneticBearing or the Localizer.magneticBearing attribute shall be provided.Minimum AIP data setTBD
ILZ-108If the Localizer.magneticBearing
 
is provided than the Localizer.magneticBearingAccuray should be provided.PANS-AIM
If
TBD
ILZ-109If the Localizer.trueBearing
 
is provided than also the Localizer.trueBearingAccuray should be provided.PANS-AIMTBD
ILZ-110The Localizer.declination attribute should be provided.PANS-AIMTBD
NAV-901If Navaid.type equal-to 'ILS' or 'ILS_DME' or 'LOC' or 'LOC_DME'  the Navaid.signalPerformance shall be provided.PANS-AIMTBD
NAV-902The Navaid.signalPerformance and the related RunwayDirection.precisionAppraochGuidance shall be consistent.Data consistancyTBDFor example if signalPerformance is CAT IIIA also the precisionAppraochGuidance shall be CAT IIIA.
ILZ-111The Localizer.backCourseUsable attribute should be provided.PANS-AIM
There must exist exactly one ILS Localizer for each Instrument landing system [ILS].The position given by GEO_LAT, GEO_LONG
TBD
ILZ-112If Navaid.type equal-to 'ILS' or 'ILS_DME' or 'LOC' or 'LOC_DME'  it must have exactly one NavaidEquipment which is a Localizer.EAD / Data consistancyTBD
NAV-903If Navaid.type equal-to 'ILS' or 'ILS_DME' it must have exactly one NavaidEquipment which is a Glidepath.Data consistancyTBD
NAV-904If Navaid.type equal-to 'ILS_DME'  or 'LOC_DME' it must have exactly one NavaidEquipment which is a DME.Data consistancyTBD
ILZ-113The Localizer.location must be plausibly close (less than 1 KM) to that of the end
of the related (through ILS_M) RWY_DIRECTION.As a plausibility rule, the difference between VAL_MAG_BRG of the ILS_LLZ and VAL_MAG_BRG of the related RWY_DIRECTION cannot exceed 10 degrees (see ICAO Doc 8168, PANS OPS, Chapter 23, 'Offset Localizer').The difference between VAL_TRUE_BRG and VAL_MAG_BRG
of the related (through Navaid.runwayDirection) RunwayDirection.EAD / Data consistancyTBD
ILZ-114The difference between Localizer.magneticBearing  and the related RunwayDirection.magneticBearing (through Navaid.runwayDirection)  cannot exceed 10 degrees.EAD / ICAO Doc 8168, PANS OPSTBD
ILZ-115The difference between Localizer.trueBearing and Localizer.magneticBearing has to be consistent with the value VAL_MAG_VAR in the referred AD_HP, taking in consideration the current date and the annual rate of change (VAL_MAG_VAR_CHG in the referred AD_HP).
As a plausibility rule, the
EADTBD
ILZ-116The value of the
VAL_FREQ
Localizer.frequency has to lie between '108' 'MHz' and '111.975
MHz (see
' 'MHz'EAD/ ICAO Annex 10, Vol. 1
, section 3.1.3.2.).GPThe position given by GEO_LAT, GEO_LONG
TBD
IGP-107The Glidepath.location must be plausibly close (less than 1 KM) to that of the threshold of the
related As a plausibility rule, the value of the VAL_FREQ
related (through
ILS_M) RWY_DIRECTION.
Navaid.runwayDirection) RunwayDirection.EADTBD
IGP-108The value of the Glidepath.frequency has to lie between '328.6' 'MHz' and '335.4' 'MHz'.
(see
EAD/ ICAO Annex 10, Vol. 1
, section 3.1.5.2).As a plausibility rule, the value of the VAL_SLOPE
TBD
IGP-109The value of the Glidepath.slope has to lie between '1' and '5' degrees.
As a plausibility rule, the value of the VAL_RDH
EAD/ ICAO Annex 10, Vol. 1TBD
IGP-110The value of the Glidepath.rdh has to lie between '10' and '25
metres (see
'  'M' (metres).EAD/ ICAO Annex 10, Vol. 1
, section 3.1.5.1.4).
TBD

Coding Examples

TBD