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2) visibility and, when applicable, runway visual
range (RVR);
3) present weather;
4) cloud below 1 500 m (5 000 ft) or below the
highest minimum sector altitude, whichever is
greater; cumulonimbus; if the sky is obscured,
vertical visibility when available;
5) air temperature;
6) dew point temperature, inclusion determined on
the basis of a regional air navigation agreement;
7) altimeter setting(s);
8) any available information on significant meteorological
phenomena in the approach area; and
9) trend-type landing forecast, when available.
Note.— The meteorological information listed above is
identical to that required in ATIS broadcasts for arriving
aircraft as specified in Annex 11, 4.3.7 j) to r) and is to be
extracted from local meteorological routine and special reports,
in accordance with Chapter 11, 11.4.3.2.2 to 11.4.3.2.3.9.
c) current runway surface conditions, in case of
precipitants or other temporary hazards;
d) changes in the operational status of visual and nonvisual
aids essential for approach and landing.
6.6.2 In applying the provisions in 6.7.3.1.1, it should be
recognized that information published by NOTAM or disseminated
by other means may not have been received by the
aircraft prior to departure or during en-route flight.
6.6.3 If it becomes necessary or operationally desirable
that an arriving aircraft follow an instrument approach
procedure or use a runway other than that initially stated, the
flight crew shall be advised without delay.
6.6.4 At the commencement of final approach, the
following information shall be transmitted to aircraft:
a) significant changes in the mean surface wind direction
and speed;
Note.— Significant changes are specified in Annex 3,
Chapter 4. However, if the controller possesses wind
information in the form of components, the significant changes
are:
— Mean head-wind component: 19 km/h (10 kt)
— Mean tail-wind component: 4 km/h (2 kt)
— Mean cross-wind component: 9 km/h (5 kt)
b) the latest information, if any, on wind shear and/or
turbulence in the final approach area;
c) the current visibility representative of the direction of
approach and landing or, when provided, the current
runway visual range value(s) and the trend, if
practicable, supplemented by slant visual range
value(s), if provided.
6.6.5 During final approach, the following information
shall be transmitted without delay:
a) the sudden occurrence of hazards (e.g. unauthorized
traffic on the runway);
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b) significant variations in the current surface wind,
expressed in terms of minimum and maximum values;
c) significant changes in runway surface conditions;
d) changes in the operational status of required visual or
non-visual aids;
e) changes in observed RVR value(s), in accordance with
the reported scale in use, or changes in the visibility
representative of the direction of approach and landing.
6.7 OPERATIONS ON PARALLEL OR
NEAR-PARALLEL RUNWAYS
6.7.1 General
Where parallel or near-parallel runways are used for
simultaneous operations, the requirements and procedures
below shall apply.
Note.— Guidance material is contained in the Manual on
Simultaneous Operations on Parallel or Near-Parallel Instrument
Runways (Doc 9643).*
6.7.2 Departing aircraft
6.7.2.1 TYPES OF OPERATION
Parallel runways may be used for independent instrument
departures as follows:
a) both runways are used exclusively for departures
(independent departures);
b) one runway is used exclusively for departures while
the other runway is used for a mixture of arrivals and
departures (semi-mixed operation); and
c) both runways are used for mixed arrivals and
departures (mixed operation).
6.7.2.2 REQUIREMENTS AND PROCEDURES FOR
INDEPENDENT PARALLEL DEPARTURES
Independent IFR departures may be conducted from parallel
runways provided:
a) the runway centre lines are spaced by the distance
specified in Annex 14, Volume I;
b) the departure tracks diverge by at least 15 degrees
immediately after take-off;
c) suitable surveillance radar capable of identification of
the aircraft within 2 km (1.0 NM) from the end of the
runway is available; and
d) ATS operational procedures ensure that the required
track divergence is achieved.
6.7.3 Arriving aircraft
6.7.3.1 TYPES OF OPERATIONS
6.7.3.1.1 Parallel runways may be used for simultaneous
instrument operations for:
a) independent parallel approaches; or
　
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