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

RUNWAY
Minimum height surface
Not to scale
Figure G-27. Typical extension of azimuth critical and sensitive areas
for segmented and curved approaches
ATT G-89 23/11/06
Annex 10 — Aeronautical Communications Volume I
SEE FIGURE G-24
RUNWAY
ELEVATION
ANTENNA
TAXIWAY
USE OF ELEVATION GUIDANCE BEGINS HERE
APPROACH
2D, 3D APPROACH
FOR PROFILE VIEW:
THE CRITICAL AREA EXTENDS
BELOW THE NOMINAL TRACK BY
AN ANGLE OF 1.7 BW PLUS AN
ALLOWANCE FOR FLIGHT PATH
DEVIATIONS.
10 m
(33 ft)
CRITICAL AREA : 3.0° CENTRELINE APPROACH
CRITICAL AREA EXTENSION REQUIRED TO ENSURE
ELEVATION SIGNAL QUALITY IN THE SECTORS USED
FOR SEGMENTED AND CURVED APPROACH
PROCEDURES.
APPROACH
.
Figure G-28. Typical extension of the elevation critical area
for segmented and curved approach procedures
23/11/06 ATT G-90
Attachment G Annex 10 — Aeronautical Communications
120 m (400 ft)
Elevation
antenna
DME/N transponder (if DME/P not available)
Collocated approach azimuth antenna
and DME/P transponder
AAz antenna
offset
Runway centre line
AAz to elevation distance
Figure G-29. Ground equipment geometry for computed centre line approaches
ATT G-91 23/11/06
Annex 10 — Aeronautical Communications Volume I
*
2 500
2 000
1 500
1 000
500
0
-500
-1 000
-1 500
-2 000
-2 500
Azimuth antenna offset distance (metres)
-500 0
Azimuth to elevation distance (metres)
MLS datum point
-5 000 -4 500 -4 000 -3 500 -3 000 -2 500 -2 000 -1 500 -1 000
Figure G-30. Permissible azimuth antenna offsets for computed centre line approaches
with DME/P (Standard 1) ranging
23/11/06 ATT G-92
Attachment G Annex 10 — Aeronautical Communications
*
250
200
150
100
50
0
-50
-100
-150
-200
-250
-500 -0
Azimuth antenna offset distance (metres)
Azimuth to elevation distance (metres)
MLS datum point
-5 000 -4 500 -4 000 -3 500 -3 000 -2 500 -2 000 -1 500 -1 000
Figure G-31. Permissible azimuth antenna offsets for
computed centre line approaches with DME/N ranging
ATT G-93 23/11/06
Annex 10 — Aeronautical Communications Volume I
Secondary runway
Primary runway
Approach azimuth and DME/P
120 m (400 ft)
Elevation
300 m (1 000 ft)
Threshold
stagger (-)
Runway spacing (-)
Approach direction
Note.— The position shown for the elevation antenna is defined by typical values that are used to compute the data shown in Figure G-33.
Figure G-32. Runway and equipment geometry for computed
centre line approaches to parallel secondary runways
23/11/06 ATT G-94
Attachment G Annex 10 — Aeronautical Communications
2 000
1 600
1 200
800
400
0
-400
-800
-1 200
-1 600
-2 000
0 -400 -800
Threshold stagger (metres)
Runway spacing (metres)
Azimuth to elevation distance = 3 000 m
• A
Notes:
1. The radial boundary is dependent on elevation antenna performance.
2. Point A represents the example described in 13.7.6.
1 200 800 400 -1 200 -1 600 -2 000 -2 400 -2 800
Figure G-33. Permissible runway geometries for computed
centre line approaches to parallel secondary runways
ATT G-95 23/11/06
Annex 10 — Aeronautical Communications Volume I
OET
Obstacle
Unguided discontinued/missed approach
Figure G-34. Determination of obstacle exposure time (OET)
23/11/06 ATT G-96
Attachment G Annex 10 — Aeronautical Communications
10 000
4 000
2 000
1 000
100
Outage Single No Effect
MTBF
MTBO
Az 01R SPL
30-06-92 29-12-92 30-06-93 30-12-93 30-06-94 30-12-94 1-07-95 30-12-95 30-06-96 30-12-96 1-07-97
8
6420
jul-92
oct-92
jan-93
jan-94
jan-95
jan-96
jan-97
apr-93
apr-94
apr-95
apr-96
jul-93
jul-94
jul-95
jul-96
oct-93
oct-94
oct-95
oct-96
Figure G-35A. Example outage record for MLS azimuth facility
10 000
2 000
1 000
100
Outage Single No Effect
MTBF
MTBO
EI 01R SPL
30-06-92 29-12-92 30-06-93 30-12-93 30-06-94 30-12-94 1-07-95 30-12-95 30-06-96 30-12-96 1-07-97
8
6420
jul-92
oct-92
jan-93
jan-94
jan-95
jan-96
jan-97
apr-93
apr-94
　
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