曝光臺 注意防騙 網曝天貓店富美金盛家居專營店坑蒙拐騙欺詐消費者

Geometric centre of TLOF or FATO thresholds . . . . .
1 m
surveyed
critical
1 ´ 10-8
Ground taxiway centre line points, air taxiways
and transit routes points . . . . . . . . . . . . . . . . . . . . . . . .
0.5 m
surveyed/calculated
essential
1 ´ 10-5
Helicopter stand-points/INS check-points. . . . . . . . . . .
0.5 m
surveyed
routine
1 ´ 10-3
Annex 14 — Aerodromes Volume II
96//1111//9975 52
No. 2
Table 2. Elevation/Altitude/Height
Table 3. Declination and magnetic variation
Elevation/altitude/height
Accuracy
Data type
Classification
Integrity
Heliport elevation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 0.5 m or 1 ft
surveyed
essential
1 ´ 10-5
WGS-84 geoid undulation at heliport
elevation position. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
0.5 m or 1 ft
surveyed
essential
1 ´ 10-5
FATO threshold, non-precision approaches . . . . . . . . . 0.5 m or 1 ft
surveyed
essential
1 ´ 10-5
WGS-84 geoid undulation at FATO threshold, TLOF
geometric centre, non-precision approaches . . . . . . . . .
0.5 m or 1 ft
surveyed
essential
1 ´ 10-5
FATO threshold, precision approaches. . . . . . . . . . . . . 0.25 m or 1 ft
surveyed
critical
1 ´ 10-8
WGS-84 geoid undulation at FATO threshold,
TLOF geometric centre, precision approaches . . . . . . .
0.25 m or 1 ft
surveyed
critical
1 ´ 10-8
Obstacles in the approach and take-off areas . . . . . . . . 1 m or 1 ft
surveyed
essential
1 ´ 10-5
Obstacles in the circling areas and at the heliport . . . . 1 m or 1 ft
surveyed
essential
1 ´ 10-5
Distance measuring equipment/precision (DME/P) . . . 3 m (10 ft)
surveyed
essential
1 ´ 10-5
Declination/variation
Accuracy
Data type
Classification
Integrity
Heliport magnetic variation. . . . . . . . . . . . . . . . . . . . . . 1 degree
surveyed
essential
1 ´ 10-5
ILS localizer antenna magnetic variation . . . . . . . . . . . 1 degree
surveyed
essential
1 ´ 10-5
MLS azimuth antenna magnetic variation . . . . . . . . . . 1 degree
surveyed
essential
1 ´ 10-5
Appendix Annex 14 — Aerodromes
53 96/1/111//9957
No. 2
Table 4. Bearing
Table 5. Length/distance/dimension
— END —
Bearing
Accuracy
Data type
Classification
Integrity
ILS localizer alignment . . . . . . . . . . . . . . . . . . . . . . . . .
1/100 degree
surveyed
essential
1 ´ 10-5
MLS zero azimuth alignment . . . . . . . . . . . . . . . . . . . .
1/100 degree
surveyed
essential
1 ´ 10-5
FATO bearing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1/100 degree
surveyed
routine
1 ´ 10-3
Length/distance/dimension
Accuracy
Data type
Classification
Integrity
FATO length, TLOF dimensions . . . . . . . . . . . . . . . . . 1 m or 1 ft
surveyed
critical
1 ´ 10-8
Landing distance available . . . . . . . . . . . . . . . . . . . . . . 1 m or 1 ft
surveyed
critical
1 ´ 10-8
ILS localizer antenna-FATO end, distance. . . . . . . . . . 3 m (10 ft)
calculated
routine
1 ´ 10-3
ILS glide slope antenna-threshold,
distance along centre line . . . . . . . . . . . . . . . . . . . . . . .
3 m (10 ft)
calculated
routine
1 ´ 10-3
ILS markers-threshold distance. . . . . . . . . . . . . . . . . . . 3 m (10 ft)
calculated
essential
1 ´ 10-5
ILS DME antenna-threshold,
distance along centre line . . . . . . . . . . . . . . . . . . . . . . .
3 m (10 ft)
calculated
essential
1 ´ 10-5
MLS azimuth antenna-FATO end, distance . . . . . . . . . 3 m (10 ft)
calculated
routine
1 ´ 10-3
MLS elevation antenna-threshold,
distance along centre line . . . . . . . . . . . . . . . . . . . . . . .
3 m (10 ft)
calculated
routine
1 ´ 10-3
MLS DME/P antenna-threshold,
distance along centre line . . . . . . . . . . . . . . . . . . . . . . .
3 m (10 ft)
calculated
essential
1 ´ 10-5

 

　
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