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时间:2010-07-19 22:27来源:蓝天飞行翻译 作者:admin
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5.2.3 Further to the notification in 5.2.1, the rescue
coordination centre shall, without delay, be furnished with:
a) any useful additional information, especially on the
development of the state of emergency through
subsequent phases; or
b) information that the emergency situation no longer
exists.
Note.— The cancellation of action initiated by the rescue
coordination centre is the responsibility of that centre.
5.3 Use of communication facilities
Air traffic services units shall, as necessary, use all available
communication facilities to endeavour to establish and
maintain communication with an aircraft in a state of
emergency, and to request news of the aircraft.
5.4 Plotting aircraft in
a state of emergency
When a state of emergency is considered to exist, the flight of
the aircraft involved shall be plotted on a chart in order to
determine the probable future position of the aircraft and its
maximum range of action from its last known position. The
flights of other aircraft known to be operating in the vicinity
of the aircraft involved shall also be plotted in order to
determine their probable future positions and maximum
endurance.
5.5 Information to the operator
5.5.1 When an area control or a flight information centre
decides that an aircraft is in the uncertainty or the alert phase,
it shall, when practicable, advise the operator prior to notifying
the rescue coordination centre.
Note.— If an aircraft is in the distress phase, the rescue
coordination centre has to be notified immediately in
accordance with 5.2.1.
5.5.2 All information notified to the rescue coordination
centre by an area control or flight information centre shall,
whenever practicable, also be communicated, without delay, to
the operator.
5.6 Information to aircraft operating in
the vicinity of an aircraft in
a state of emergency
5.6.1 When it has been established by an air traffic
services unit that an aircraft is in a state of emergency, other
aircraft known to be in the vicinity of the aircraft involved
shall, except as provided in 5.6.2, be informed of the nature of
the emergency as soon as practicable.
5.6.2 When an air traffic services unit knows or believes
that an aircraft is being subjected to unlawful interference, no
reference shall be made in ATS air-ground communications to
the nature of the emergency unless it has first been referred to
in communications from the aircraft involved and it is certain
that such reference will not aggravate the situation.
28/11/02
No. 41
ANNEX 11 6-1 1/11/01
CHAPTER 6. AIR TRAFFIC SERVICES REQUIREMENTS
FOR COMMUNICATIONS
6.1 Aeronautical mobile service
(air-ground communications)
6.1.1 General
6.1.1.1 Radiotelephony and/or data link shall be used in
air-ground communications for air traffic services purposes.
Note.— Requirements for ATS units to be provided with
and to maintain guard on the emergency channel 121.5 MHz
are specified in Annex 10, Volumes II and V.
6.1.1.2 When direct pilot-controller two-way radiotelephony
or data link communications are used for the provision of
air traffic control service, recording facilities shall be provided
on all such air-ground communication channels.
6.1.2 For flight information service
6.1.2.1 Air-ground communication facilities shall enable
two-way communications to take place between a unit providing
flight information service and appropriately equipped
aircraft flying anywhere within the flight information region.
6.1.2.2 Recommendation.— Whenever practicable, airground
communication facilities for flight information service
should permit direct, rapid, continuous and static-free two-way
communications.
6.1.3 For area control service
6.1.3.1 Air-ground communication facilities shall enable
two-way communications to take place between a unit providing
area control service and appropriately equipped aircraft
flying anywhere within the control area(s).
6.1.3.2 Recommendation.— Whenever practicable, airground
communication facilities for area control service
should permit direct, rapid, continuous and static-free two-way
communications.
6.1.3.3 Recommendation.— Where air-ground voice
communication channels are used for area control service and
are worked by air-ground communicators, suitable arrangements
should be made to permit direct pilot-controller voice
communications, as and when required.
6.1.4 For approach control service
6.1.4.1 Air-ground communication facilities shall enable
direct, rapid, continuous and static-free two-way communications
 
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