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or equal to the maximum permissible exposure (MPE) unless Aerodrome Design Manual, Part 6 (in preparation) for
such emission has been notified to the authority and guidance. on frangibility of light Jixtures and uppo porting
permission obtained. structure.^.
Figure 5-11. Multiple runway lasabeam free flight zone
5-17
Annex 14 -Aerodromes V&me I
PROTEED FLIGHT ZONES
Elevation
Laser-beam sensitive flight zone
1 00 pwh?
Figure 5-1 2. Protected flight m e s with indication of mimum
irradianoe levels for visible lam barn
5.3.1.4 Elevated a p p d lights and their supporting 53.1.7 Wwabod runway, stopway and taxiway lights shall
struchms shall be frangible except that, in that w o n of the be frangible. Their height shall be s u f k d y low to presme
approach lighting system beyond 300 rn from the threshold: c l vfor ppellers and for thc engine pads of jet aim&
a) wwhettheheighiofasugporting~exctedg1 2%
the hgibility requirement sMl apply to the tcrp Swmf&s
12 m oniy; and
53.18 Light f i x m inset in the surface of m a y s ,
b) where a supporting struchm is rmmnmded by non- stopways, taxiways and aprons &dl be so designed and fitted
f ~ W e only t b P & of the as to withstand being run ova by the wMs of an aircraft - extends above the surrounding objects shall be frangible. wim dthal o lhc a-fi a to thr: lishtsw h,
53.1.9 Recommendation- i% ternpentiwe prodmed
53.1.5 The provisions of 53.1.4 shalt not requm the by r d u c f i o n or d i h O n rh &dacbeetwe en = ,
qlacerncnt of existing installahom before I January 2005. inrialkd inret light and an airmft tire should not cmxd
16006 druing a 10-minute period oferposure-
5.3.1.6 Whcn an approach light fixture or supporting
stmcbc is not m itself sufficiently c o n ~ ~ o uist ,sh all be Note.- Gukhce on memuring the temperature of i d
suitably marked. lights ir giwn in the Aercdmm Design Manual, Pm4.
Chapter 5 Annex 14 -Aerodromes
Light intensity and control
Note.- In dwk or poor visibility conditions by day,
lighting can be more effective than marking. For lights to be
effective in such conditions or in poor visibility by night, they
mwt be of adequate intensity. To obtain the required intensity,
it will usually be necessary to make the light directional, in
which case the arcs over which the light shows will have to be
adequate and so orientated as to meet the operational
requirements. The runway lighting system will have to be
considered as a whole, to ensure that the relative light
intensities are suitably matched to the same end. (See
Attachment A, Section 14, and the Aerodrome Design Manual,
Part 4.)
than three times the minimum light intensity value measured
in accordance with Appendix 2, collective notes for Figures
A2-12 to A2-21, Note 2.
5.3.2 Emergency lighting
Applicafion
5.3.2.1 Recommendation.- At an aerodrome provided
with runway lighting and without a secondary power supply,
sr~ficient emergency lights should be conveniently available
for installation on at lemt the primary runway in the event of
5.3.1 .I0 The intensity of runway lighting shall be adequate failure of the normal lighting system.
for the minimum conditions of visibility and ambient light in
which use of the runway is intended, and compatible with that Note.- Emergency lighting may also be wefil to mark
obstacles or delineate tuxiways and apron area.
of the nearest section of the approach lighting system when
provided.
Note.- While the lights of an approach lighting system Locaiion
may be of higher intensity than the runway lighting, it is good 5.3.2.2 Recommendation.- When installed on a runway
pgrivaec tiac ep iltoot aav ofaidls ea birmupprt ecsshiaonng eths aitn t hinet evnissiibtyil iatys itsh ecshea ncoguinldg the emergency Iights should, as a minimum, conform to the
during approach. configuration required for a non-instrument runway.
5.3.1 .I 1 Where a high-intensity lighting system is Characteristics
provided, a suitable intensity control shall be incorporated to
allow for adjustment of the light intensity to meet the prevailing
conditions. Separate intensity controls or other suitable 5.3.2.3 Recommendation.- The colour of the emergency
lights should conform to the colour requirements for runway
msyesttheomdss, when bien stalled, cant o be operattheadt atht e cofomlploa\tnibnlge lighting, except that, where the provision of coloured lights at
intensities: the threshold and the runway end is not practicable, all lights
may be variable white or as close to variable white as
- approach lighting system;
- runway edge lights;
- runway threshold lights;
practicable.
5.3.3 Aeronautical beacons
　
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