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14.2 The pilot shall provide confirmation of the performance of the navigational aids used for the IAP (2301). The ATS provider shall formally record this confirmation (2302).
Table 1 Azimuth Limits Table 1 Azimuth Limits (Continued) Table 1 Azimuth Limits (Continued) Table 1 Azimuth Limits (Continued) Table 1 Azimuth Limits (Continued) Table 2 Elevation Limits Table 2 Elevation Limits (Continued) Table 2 Elevation Limits (Continued)
Parameter Tolerance Profile Measurement to be made Transmitter tobe checked
AngleAccuracyRunwayCoverage Area to ApproachReference Datum (ARD) Path Following Error (PFE) ± 4.0mPath Following Noise (PFN) ± 3.5mControl Motion Noise (CMN) ± 3.2m or 0.1 degree,whichever is less Ground checkOn centreline between ARD and along runway From plot CommissioningBothRoutineBoth
Mean Course Error (MCE) ± 3.0mNote: The ICAO Standard in Annex 10 Volume 1 paragraph 3.11.5.2.5.1 is for ground equipmentcontribution. Checks in the far field would include the effects of multipath. Due to the similarity withILS it is assumed that this requirement includes multipath effects.MCE standard needs to be clarified by ICAO. Ground CheckSpot check at the ARD Direct reading
AngleAccuracyARD to limits of coverage PFE and PFN The PFE and PFN limits, expressed in angular terms at 37 km (20 NM) from the runway threshold along the extended runway centre line, shall degrade linearly to be 2 times the value specifiedat the ARD This is a two-part testLevel slice on centre line from 20NM at 0.3 theta to 1.75 thetaNote: The requirement for flight to1.75 theta can be reduced ifelevation is not being checked.Fly down from 7 NM on azimuth and elevation to ARD Plot from 20 NM to the intercept of the glidepath;andPlot from 6 NM to ARD CommissioningBothRoutineBoth
CMNThe CMN limit shall degrade linearly from the value at ARD to be 0.1 degree at 37 km (20 NM) from theARD along the extended runway centre line at theminimum glide path angle
MCEThe Mean Course Error shall not exceed an errorequivalent to ± 3.0m at ARD Fly down from 7 NM on azimuth and elevation to ARD Average between 1NM and ARD
Parameter Tolerance Profile Measurement to be made Transmitter tobe checked
AngleAccuracywith Azimuth Angle PFE and PFNThe PFE and PFN limits, expressed in angular terms at plus or minus 40 degrees azimuth angle,shall degrade linearly to be 1.5 times the value onthe extended runway centreline at the samedistance from the ARDThe PFE limits shall not exceed 0.25 degree in any region of coverageThe PFN limits shall not exceed 0.15 degree in anyregion of coverageNote: When clearance is used, PFE and PFN can only be measured in the proportional guidance area 2 flights, one either side of the centreline, in the vicinity of the edge of the proportional guidanceEach flight comprising a level slice from 20 NM at 0.3 theta to a pointto intersect the glide path angle and then fly down to ARD Plot from 20 NM to ARD Commissioningonly.One TX
CMNThe CMN limit, expressed in angular terms at plus or minus 40 degrees azimuth angle, shall degradelinearly to be 1.3 times the value on the extendedrunway centreline at the same distance from the ARDThe CMN limits shall not exceed 0.1 degree in any region of coverageNote: When clearance is used, CMN can only bemeasured in the proportional guidance area
Parameter Tolerance Profile Measurement to be made Transmitter tobe checked
ClearanceRegions Fly left or fly right clearance information asappropriate from beyond the proportional guidancesector to ± 40 degrees CommissioningPart orbit at not less than 5NM from ARD at Minimum SafeAltitude (MSA) in both directionsRoutinePart orbit at not less than 5NM from ARD at Minimum SafeAltitude (MSA) in one direction Plot from ± 40 degrees about centreline CommissioningBothRoutineBoth
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