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Note.— The procedures in this Section apply to all
aerodromes, whether or not aerodrome control service is
provided. In addition, the procedures in 7.13.2.1 apply to all
aeronautical ground lights, whether or not they are on or in
the vicinity of an aerodrome.
7.13.2 General
7.13.2.1 All aeronautical ground lights shall be operated,
except as provided in 7.13.2.2 and 7.13.3:
a) continuously during the hours of darkness or during
the time the centre of the sun’s disc is more than 6
degrees below the horizon, whichever requires the
longer period of operation, unless otherwise provided
hereafter or otherwise required for the control of air
traffic;
b) at any other time when their use, based on weather
conditions, is considered desirable for the safety of air
traffic.
7.13.2.2 Lights on and in the vicinity of aerodromes that
are not intended for en-route navigation purposes may be
turned off, subject to further provisions hereafter, if no
likelihood of either regular or emergency operation exists,
provided that they can be again brought into operation at least
one hour before the expected arrival of an aircraft.
7.13.2.3 At aerodromes equipped with lights of variable
intensity a table of intensity settings, based on conditions of
visibility and ambient light, should be provided for the
guidance of air traffic controllers in effecting adjustment of
these lights to suit the prevailing conditions. When so
requested by an aircraft, further adjustment of the intensity
shall be made whenever possible.
7.13.3 Approach lighting
Note.— Approach lighting includes such lights as simple
approach lighting systems, precision approach lighting
systems, visual approach slope indicator systems, circling
guidance lights, approach light beacons and runway alignment
indicators.
7.13.3.1 In addition to 7.13.2.1 approach lighting shall
also be operated:
a) by day when requested by an approaching aircraft;
b) when the associated runway lighting is operated.
7.13.3.2 The lights of a visual approach slope indicator
system shall be operated during the hours of daylight as well
as of darkness and irrespective of the visibility conditions
when the associated runway is being used.
7.13.4 Runway lighting
Note.— Runway lighting includes such lights as edge,
threshold, centre line, end, touchdown zone and wing bar
lights.
7.13.4.1 Runway lighting shall not be operated if that
runway is not in use for landing, take-off or taxiing purposes,
unless required for runway inspections or maintenance.
7.13.4.2 If runway lighting is not operated continuously,
lighting following a take-off shall be provided as specified
below:
a) at aerodromes where air traffic control service is
provided and where lights are centrally controlled, the
lights of one runway shall remain lighted after take-off
as long as is considered necessary for the return of the
aircraft due to an emergency occurring during or
immediately after take-off;
b) at aerodromes without air traffic control service or
without centrally controlled lights, the lights of one
runway shall remain lighted until such time as would
normally be required to reactivate the lights in the
likelihood of the departing aircraft returning for an
emergency landing, and in any case not less than
fifteen minutes after take-off.
7-14 Air Traffic Management (PANS-ATM)
1/11/01
Note.— Where obstacle lighting is operated simultaneously
with runway lighting as provided in 7.13.8.1, particular care
should be taken to ensure that it is not turned off until no
longer required by the aircraft.
7.13.5 Stopway lighting
Stopway lights shall be operated whenever the associated
runway lights are operated.
7.13.6 Taxiway lighting
Note.— Taxiway lighting includes such lights as edge
lights, centre line lights, stop bars and clearance bars.
Where required to provide taxi guidance, taxiway lighting
shall be turned on in such order that a continuous indication of
the taxi path is presented to taxiing aircraft. Taxiway lighting
or any portion thereof may be turned off when no longer
needed.
7.13.7 Stop bars
Stop bars shall be switched on to indicate that all traffic shall
stop and switched off to indicate that traffic may proceed.
Note.— Stop bars are located across taxiways at the point
where it is desired that traffic stop, and consist of lights,
showing red, spaced across the taxiway.
7.13.8 Obstacle lighting
Note.— Obstacle lighting includes such lights as obstacle
and unserviceability lights and hazard beacons.
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