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for use in RVR conditions of less than a value of 350 m, the
lights on a curve should not exceed a spacing of I5 m and on
a curve of less than 400 m radius the lights should be spaced
at intervals of not greater than 7.5 m. This spacing should
extend for 60 m before and affer the curve.
Note I.- Spacings on curves that have been found suitable
for a taxiway intended for use in RVR conditions of 350 m or
greater are:
5.3.16.10 Recommendation.- Where taxiway centre Curve radius Light spacing
line lights are specified as components of an advanced surface
movement guidance and control system and where, jkm an up to 400 m 7.5 m
operational point of vim, higher intensities are required to 401 m to 899 m 15 m
maintain ground movements at a certain speed in vey low 900. m or greater 30 m
visibilities or in bright daytime conditions, taxiway centre line
lights should be in accordance with the specifications of Note 2.- See 3.9.6 and Figure 3-2.
Appendix 2, Figure A2-17, A2-18 or A2-19.
Note.- High-intensity cenh line lights should only be Tariway centre line lights
used in case of an absolute necessity and following a speczpc on rapid ex& taxiways
study.
Location
Location
5 -3.16.1 1 ~ecommendation.- Taxiway centre line lights
should normally be located on the taxiway centre line marking,
except that they may be @set by not more than 30 cm where it
is not practicable to locate them on the marking.
Taxiway centre line lights
on taxiways
5.3.16.15 Recommendation.- Taxiway centre line lights
on a rapid exit taxiway should commence at a point at least
60 m before the beginning of the taxiway centre line curve and
continue beyond the end of the curve to a point on the centre
line of the tmMIwayw here an aeroplane can be expected to
reach normal taxiing speed. The lights on that portion parallel
to the runway centre line should always be at least 60 cm jhm
any row of runway centre line fights, as shown in Figure 5-25.
5.3.16.16 Recommendation.- The lights should be
spaced at longitudinal intervals of not more than 15 m, except
that, where runway centre line lights are not provided, a
greater interval not exceeding 30 m may be used.
5.3.16.12 Recommendation.- Taxiway centre line lights
on a straight section of a taxiway should be spaced at longi- Tariway centre line lights
tudinal intervals of not more than 30 m, except that: on other e d taxiways
a) larger intervals not exceeding 60 m may be used where,
because of the prevailing meteorological conditions, Location
adequate guidance is provided. by such spacing;
5.3.16.17 Recommendation.- Taxiway centre line
b) intervals less than 30 m should be provided on short lights on exit taxiways other than rapid exit taxiways should
straight sections; and commence at the point where the taxiway centre line marking
24/11/05
No. 7
Annex 14 -Aerodromes
begins to curve from the runway centre line, and follow the
curved taxiway centre line marking at least to the point where
the marking leaves the runway. The Jirst light should be at
least 60 cm from any row of runway centre line lights, as
shown in Figure 5-25.
5.3.16.1 8 Recommendation.- The lights should be
spaced at longitudinal intervals of not more than 7.5 m.
Taxiway centre line lights
on runways
Location
5.3.16.19 Recommendation.- Taxiway centre line lights
on a runway fomingpart of a standard taxi-route and intended
for taxiing in runway visual range conditions less than a value
of 350 rn should be spaced at longihrdind intervals not
exceeding I5 rn.
Volume I
5.3.1 7 Taxiway edge lights
Application
5.3.17.1 Taxiway edge lights shall be provided at the
edges of a runway turn pad, holding bay, de-icingJanti-icing
facility, apron, etc. intended for use at night and on a taxiway
not provided with taxiway centre line lights and intended for
use at night, except that taxiway edge lights need not be
provided where, considering the nature of the operations,
adequate guidance can be achieved by surface illumination or
other means.
Note.- See 5.5.5 for taxiway edge markers.
5.3.17.2 Taxiway edge lights shall be provided on a
runway forming part of a standard taxi-route and intended for
taxiing at night where the runway is not provided with taxiway
centre line lights.
Note.- See 8.2.3 for provisions concerning the
inter-locking of runway and taxiway lighting systems.
Toleranws for oRset runway mntre line lights and
taxiway centre line lights to mainlain 60 cm separation.
Figure 5-25. Offset runway and taxiway centre line lights
5-46
Chapter 9 Annex 14 -Aerodromes
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