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Figure A2-14. Isocandela diagram for taxiway cenm line (7.5 m spacing) and
stop bar lights in curved sections intended for use in
runway visual range conditions of less than a value of 350 m
APP 2-15
Annex I4 - Amdhmes
Notes:
t. At locations where high background luminance is usual and where deterioration of light output
resulting from dust, snow and local contamination is a significant factor, the cd-values should be
multiplied by 2.5.
2. Where omnidirectional lights are used they shall comply with the vertical beam requirements in this
figure.
3. See collective notes for Figures A2-12 to AP21.
Figure A2-15. Isocandela diagram for taxiway centre fine (30 m. 60 m spacing) and
stop bar Lights in straight sections intended for use in
runway visual range conditions of 350 m or greater
APP 2-16
X horizontal
Notes:
1. Ughts on curves to be toed-in 15.75 degrws with resped to the tangent of the curve.
2. At locations where high badqgmund luminance is usual and where deterioration of light output
resulting from dust, snow and local contamination is a signlicant factor, the cd-values should be
multiplied by 2.5.
3. These beam coverages allow for displacement of the cockpit fmm the centre line up to distances
of the order of 12 m as could occur at the end of curves.
4. See colledive notes for Figures A2-12 to A2-21.
Figure A2-16. Isacandela diagram for taxiway centre line (7.5 m, 15 m. 30 m spwing) and
stop bar lights in curved sections intended for use in
runway visual range conditions of 350 m or greater
APP 2-17
- * ; ; ; I l l
i t ) I , , , , , . t , ' I ! ! I
I I I I I . .
. t , l . . 8 , ; ..-d-~j
ZB
2' --b Degrees
horizontal
Notes:
Curve
Intensity (cd)
t. These beam awerages allow for displacement of the cockpit from the centre line up to distances of
the order of t2 m and are intended for use before and after curves.
2. See collective notes for Figures A2-12 to A2-21.
a
8
Figure A2-17. lsocandela diagram for high-intensity taxiway centre line (15 m spacing)
and stop bar lights in straight sections intended for use in an advanced
surface movement guidance and control system where higher light intensities are required
and where large offsets can occur
APP 2-18
b
20
c
100
d
450
e
1 800
Appendix 2
. , -jk - 5 - 1 I i -7 5 -2 o 2 i 7 a h li o 1 a . 5 - ~ ~ ~ ~ ~ ~ , , ~
-8.5 -55 55
horizontal
Notes:
Curve
Intensity (cd)
1. These beam coverages are generally satisfactory and cater for a normal displacement of the cockpit
corresponding to the outer main gear wheel on the taxiway edge.
2. See collective notes for Figures A2-12 to A2-21.
Figure A2-18. isocandela diagram for high-intensity taxiway centre line (15 m spacing)
and stop bar lights in straight sections intended for use in an advanced
surface movement guidance and control system where higher light intensities are required
a
8
APP 2-19
b
20
c
100
d
450
e
1 800
Annex 14 - ANolb.omes
-. .
I I
-43 11-1 -x -12 4 0 6 11 ,I1 24 ;'!A3 -30.5 --• Degrees * horizontal
Notes:
1. lights on curves to be toed-in 17 degrees with respect to the tangent of the curve.
2. See collective notes for Figures A2- 12 to A2-21.
Figure A2-19. Iwandela diagram for high-intensity taxiway centre line (7.5 rn spacing)
and stop bar lights in curved sections intended for use in an advanced
surface movement guidance and control system where higher light intensities are required
d
400
APP 2-20
c
200
b
100
Curve
lntenslty Iccij
a
8
Degrees
-90 -24 -20 - 10 0 10 20 24 30 horizontal
Notes:
1. Although the lights flash in normal operation. the light intensity is specified as if the lights were fixed
lor incandescent lamps.
2. See collective notes for Figures A2-12 to A2-21.
Figure A2-20. Tsocandela diagram for high-intensity runway guard lights, Configuration B
Degrees
-6 -5 -4 -3 -2 -1 0 1 2 3 4 5 6 x hOrjzOntal
Figure AZ-21. Grid points to be used lor calculation of average intensity
of taxiway cam line and stop bar lights
APP 2-21
Annex 14 - A e d m e s Volume I
Collective notes to Figures A2-12 to A2-2 I
1. The intensities specified in Figures A2- I2 to A2-20 are in green and yellow light for taxiway centre line lights. yellow light
for runway guard lights and red light for stop bar lights.
2. Figures A2- 12 to A2-20 show the minimum allowable light intensities. The average intensity of the main beam is calculated
　
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