曝光台 注意防骗
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Note 1.- Locating a pre-flight altimeter check location on
an apron enables an altimeter check to be made prior to
obtaining taxi clearance and eliminates the need for stopping
for that purpose after leaving the apron.
Note 2.- Normally an entire apron can serve as a
satisfactory altimeter check location.
2.7.3 The elevation of a pre-flight altimeter check location
shall be given as the average elevation, rounded to the nearest
metre or foot, of the area on which it is located. The elevation of
any portion of a pre-flight altimeter check location shall be
within 3 m (10 ft) of the average elevation for that location.
2.8 Declared distances
The following distances shall be calculated to the nearest metre
or foot for a runway intended for use by international
commercial air transport:
a) take-off run available;'
b) take-off distance available;
c) accelerate-stop distance available; and
d) landing distance available.
Note.- Guidance on calculation of declared distances is
given in Attachment A, Section 3.
2.9 Condition of the movement area and
related facilities
2.9.1 Information on the condition of the movement area
and the operational status of related facilities shall be provided
to the appropriate aeronautical information service units, and
similar information of operational significance to the air traffic
services units, to enable those units to provide the necessary
information to arriving and departing aircraft. The information
shall be kept up to date and changes in conditions reported
without delay.
2.9.2 The condition of the movement area and the operational
status of related facilities shall be monitored and reports
Chapter 2 Annex 14 -Aerodromes
on matters of operational significance or affecting aircraft
performance given, particularly in respect of the following:
a) construction or maintenance work;
b) rough or broken surfaces on a runway, a taxiway or an
apron;
c) snow, slush or ice on a runway, a taxiway or an apron;
d) water on a runway, a taxiway or an apron;
e) snow banks or drifts adjacent to arunway, a taxiway or an
apron;
f) anti-icing or de-icing liquid chemicals on a runway or a
taxiway;
g) other temporary hazards, including parked aircraft;
h) failure or irregular operation of part or all of the
aerodrome visual aids; and
i) failure of the normal or secondary power supply.
2.9.3 Recommendation, To facilitate compliance with
2.9.1 and 2.9.2 inspections of the movement area should be
carried out each day at least once where the code number k I
or 2 and at least twice where the code number is 3 or 4.
Note.- Guidance on carrying out daily inspections of the
movement area is given in the Airport Services Manual, Part 8
and in the Manual of Surface Movement Guidance and Control
Systems (SMGCS).
Water on a run way
2.9.4 Recommendation.- Whenever water is present on '
a runway, a description of the runway sugace conditions on the
centre half of the width of the runway, including the possible
assessment of water depth, where applicable, should be made
available using the following terms:
DAMP - the sugace shows a change of colour due to
moisture.
WET- the sugace is soaked but there k no standing water.
WA TER PATCHES - signifcant patches of standing water
are vkible.
FLOODED - extensive standing water is visible.
2.9.5 Information that a runway or portion thereof may be
slippery when wet shall be made available.
2.9.6 A runway or portion thereof shall be determined as
being slippery when wet when the measurements specified in
10.2.3 show that the runway surface friction characteristics as
measured by a continuous friction measuring device are below
the minimum friction level specified by the State.
Note.- Guidance on determining and expressing the
minimum friction level is provided in Attachment A, Section 7.
2.9.7 Information on the minimum friction level specified
by the State for reporting slippery runway conditions and the
type of friction measuring device used shall be made available.
2.9.8 Recommendation.- When it is suspected that a
runway may become slippery under unusual conditions, then
additional measurements should be made when such conditions
occur, and information on the runway sur$acefiiction characteristics
made available when these additional measurements
show that the runway or aportion thereof has become slippery.
Snow, slush or ice on a runway
Note 1.- The intent of these specifications is to satkfi the
SNOWTAM and NOTAMpromulgation requirements contained
in Annex 15.
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